Toolkit/mathematical model for calcium oscillation waveform variation

mathematical model for calcium oscillation waveform variation

Computational Method·Research·Since 2018

Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

This tool is a mathematical modeling method used together with an optogenetically engineered cell line and custom hardware to optically re-create calcium oscillation patterns. It enables independent variation of a single calcium waveform component within reconstructed oscillatory inputs.

Usefulness & Problems

Why this is useful

The method is useful for experimentally probing how specific features of calcium oscillation waveforms contribute to signaling encoding. By supporting independent control of one waveform component at a time, it provides a way to dissect calcium dynamics in the context of optogenetic control over Gq-protein signaling.

Source:

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Source:

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

Problem solved

It addresses the problem of generating calcium oscillation patterns in which individual waveform components can be varied independently rather than co-varying in native signaling. The cited work places this capability in the study of calcium encoding through bi-directional optogenetic control of Gq-protein signaling.

Source:

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete computational method used to design, rank, or analyze an engineered system.

Target processes

recombination

Input: Light

Implementation Constraints

Implementation required a mathematical model, an optogenetically engineered cell line, and custom hardware for optical recreation of calcium oscillation patterns. The associated biological system used light-induced heterodimerization to recruit the RGS2 domain to the membrane, where it interacted with its cognate G protein and functioned as a feedback regulator of G-protein-coupled calcium oscillations.

The supplied evidence does not describe the model structure, parameters, predictive accuracy, or generalizability beyond the reported experimental system. Validation is only described in the context of one study using a specific optogenetic Gq-signaling platform.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 2experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 3experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 4experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 5experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 6experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 7experimental capabilitysupports2018Source 1needs review

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.
Claim 8functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 9functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 10functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 11functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 12functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 13functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 14functional effectsupports2018Source 1needs review

Using the engineered opto-RGS2 cell line, RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.

Using our engineered opto-RGS2 cell line, we revealed that RGS2 reduced periodicity and stochasticity of G-protein coupled calcium oscillations and acted as a feedback regulator in this signaling circuit.
Claim 15mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 16mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 17mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 18mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 19mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 20mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 21mechanismsupports2018Source 1needs review

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.

A light-induced hetero-dimerization system was engineered to recruit the RGS2 domain to the membrane where it interacted with its cognate G protein.
Claim 22tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.
Claim 23tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.
Claim 24tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.
Claim 25tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.
Claim 26tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.
Claim 27tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.
Claim 28tool developmentsupports2018Source 1needs review

The authors developed optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

First, we created optogenetic RGS2 (opto-RGS2) for studying calcium encoding.

Approval Evidence

1 source1 linked approval claimfirst-pass slug mathematical-model-for-calcium-oscillation-waveform-variation
Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Source:

experimental capabilitysupports

Using a mathematical model, an optogenetically engineered cell line, and custom hardware, the authors optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Using a mathematical model, an optogenetically-engineered cell line, and custom hardware, we optically re-created patterns of calcium oscillations that independently varied a single waveform component.

Source:

Comparisons

Source-backed strengths

The reported strength is the ability to optically re-create calcium oscillation patterns with independent variation of a single waveform component. The method was demonstrated in an integrated system combining mathematical modeling, an optogenetically engineered cell line, and custom hardware.

Ranked Citations

  1. 1.
    StructuralSource 1Scholarly Commons (University of Pennsylvania)2018Claim 1Claim 2Claim 3

    Extracted from this source document.