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Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death
Published on: December 27, 2016
[Apoptosis--molecular basis in pathogenesis of selected chronic inflammatory and neoplastic diseases]
Bartlomiej Kopaczewski1, Magda Kopaczewska, Stanisław Nowak
1Katedra i Klinika Neurochirurgii i Neurotraumatologii Akademii Medycznej w Poznaniu. mkopa6@wp.pl
Abstract:
Apoptosis is a physiological programmed cell death. The molecular regulation of this process is very complex and still unknown. Disregulation in the mechanisms controlling apoptosis are thought to be the cause of many diseases. Mutations in gene p53 lead to carcinous transformation, high expression of receptor Fas increases the cell elimination in chronic inflammatory processes. Wrong balance between apoptosis regulatory proteins Bcl-2/Bax is the reason for low mortality, radioresistance and chemoresistance. Studies of mechanisms controlling interactions between apoptotic proteins will let us find new diagnostic and therapeutic methods.
Insights
Programmed cell death, or apoptosis, is complex and its dysregulation causes diseases. Understanding apoptosis regulatory proteins like Bcl-2/Bax may lead to new diagnostics and therapies.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- Apoptosis is a fundamental physiological process of programmed cell death.
- The intricate molecular mechanisms governing apoptosis are not fully understood.
- Dysregulation of apoptotic pathways is implicated in various diseases, including cancer and inflammatory conditions.
Purpose of the Study:
- To explore the complex molecular regulation of programmed cell death (apoptosis).
- To investigate the role of specific genetic mutations and protein imbalances in disease pathogenesis.
- To identify potential diagnostic and therapeutic strategies by studying apoptotic protein interactions.
Main Methods:
- Analysis of gene mutations, such as in the p53 gene.
- Assessment of receptor expression levels, like that of receptor Fas.
- Evaluation of the balance between apoptosis regulatory proteins, including Bcl-2 and Bax.
Main Results:
- Mutations in the p53 gene are linked to cancerous transformation.
- Elevated expression of receptor Fas is associated with increased cell elimination in chronic inflammation.
- An imbalance in the Bcl-2/Bax protein ratio contributes to reduced cell death, radioresistance, and chemoresistance.
Conclusions:
- Understanding the molecular regulation of apoptosis is crucial for disease intervention.
- Targeting the interactions of apoptotic proteins offers promising avenues for novel diagnostic and therapeutic approaches.
- Further research into apoptosis mechanisms can elucidate disease pathways and inform treatment development.
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