The new article “Quantitative Systems Pharmacology Model That Describes Neurofilament Light Dynamics During Alzheimer's Disease Progression” by Polina Maliukova, Tatiana Karelina was published in CPT: Pharmacometrics & Systems Pharmacology Journal on June 17, 2025.
Tatiana Karelina, Head of the Neurodegenerative Diseases Modeling Group, highlights, “Neurofilament L is considered an important biomarker of degeneration and is often investigated in clinical trials related to AD, PD, MS. Its dynamics in CSF may indicate cytoskeletal degradation process. However, in AD trials, for instance, the effect on neurofilament and on another biomarker of degeneration, tau, may differ significantly. Therefore, it is difficult to estimate how the therapy slows down cytoskeletal degradation. In our study we tried to understand the mechanisms on which neurofilament secretion depends and how different types of therapy can impact neuronal cytoskeleton.
We described neurofilament dynamics in different ATN patient populations by means of assumptions and available data on intracellular processes in AD and validated the model against different therapies. It is worth mentioning that the model surely does not cover all the diversity of pathological processes but rather it is a reduced representation of groups of pathological processes. When developing the model, we tried to strike a balance between mechanistic description and clarity of the model. At the same time in the future, it can be used both in a simplified and vice versa, in a complicated detailed version, to explore new targets and their combinations."
About InSysBio
InSysBio is a group of Quantitative Systems Pharmacology (QSP) companies located in Limassol, Cyprus (INSYSBIO CY Ltd) and Edinburgh, UK (INSYSBIO UK LIMITED). InSysBio was founded in 2004 and has an extensive track record of helping pharmaceutical companies to make right decisions on the critical stages of drug research and development by application of QSP modeling. InSysBio’s cutting-edge QSP approach has already become a part of the drug development process implemented by our strategic partners: there are more than 100 completed projects in collaboration with leaders of pharmaceutical industry and innovative biotech companies. For more information about InSysBio, its solutions and services, visit www.insysbio.com
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02 Jun 2020 13:24
InSysBio to announce the launch of QSP model of COVID-19
The new open source project to be developed and updated Online
InSysBio, one of the world’s pioneers of Quantitative Systems Pharmacology (QSP) modeling, announces the launch of its fundamentally new project in response to the ongoing global threat, the open source QSP model of COVID-19. In accordance with its mission, which is to assist pharmaceutical industry to speed up the delivery of the cure to patients, InSysBio team could not stay aside. Thus, the aim of the new project is to develop QSP model of COVID-19 describing virus and host cell life cycles, innate and adoptive immune response and possible therapeutic treatments.
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05 Jun 2020 15:04
InSysBio to present IRT Navigator 3
InSysBio presents IRT Navigator 3 which is an application software providing intuitive interface to work with the Immune Response Template Database in accordance with the user’s needs. It supplies the navigation within the schemes and components and efficient development of QSP models based on IRT Database.
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08 Jun 2020 15:30
InSysBio to perform the first step in development of COVID-19 QSP model
InSysBio has performed the first step in the direction of development of QSP model of COVID-19 describing virus and host cell life cycles, innate and adoptive immune response and possible therapeutic treatments.
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12 Jun 2020 16:45
InSysBio to release the new version of Cytocon DB 1.1.6.4
We are glad to announce the release of the new version of Cytocon DB 1.1.6.4. The DB was significantly extended with new data due to well-coordinated workflow of Cytocon DB team and its new members. Namely, 54 diseases, 24 tissues, 42 molecules, 24 cells and 3701 concentrations were introduced.
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17 Jun 2020 15:48
InSysBio to welcome its new team member Dr. Neil Benson
InSysBio announces the appointment of Dr. Neil Benson as Principal Consultant in area of business development
(Edinburgh-Moscow-16.06.2020) InSysBio, one of the world’s pioneers of Quantitative Systems Pharmacology (QSP) modeling, is proud to announce its new team member Dr. Neil Benson! Dr. Benson has joined InSysBio as Principal Consultant in area of business development of both INSYSBIO LLC and INSYSBIO UK LIMITED. In his capacity as Principal Consultant to InSysBio, he will support further development of the outstanding IO and AD QSP offering of the company.
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22 Jun 2020 17:04
InSysBio team posters to be presented at AACR Virtual Annual Meeting II
AACR Virtual Annual Meeting II has begun! American Association for Cancer Research Annual Meeting is held virtually this year on June 22-24 due to COVID-19 spread. Today InSysBio team's posters were published on AACR website
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30 Jun 2020 15:45
InSysBio to present COVID-19 QSP model further development
InSysBio continues to move forward in COVID-19 QSP model development. Its aim is to describe virus and host cell life cycles, innate and adoptive immune response and possible therapeutic treatments.
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