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Published on: April 24, 2021
Targeting Bid to prevent programmed cell death in neurons
1Pharmaceutical Biology-Biotechnology, Department of Pharmacy, Ludwig-Maximilians-University, Butenandtstrasse 5-13, Building D, D-81377 Munich, Germany. carsten.culmsee@cup.uni-muenchen.de
Biochemical Society Transactions
|November 1, 2006
Summary
Bid protein plays a key role in neuronal cell death pathways common to stroke, trauma, and neurodegenerative diseases. Inhibiting Bid offers a promising therapeutic strategy for these neurological conditions.
Area of Science:
- Neuroscience
- Molecular Biology
- Pathology
Background:
- Neuronal cell death contributes to functional deficits in stroke, CNS trauma, and neurodegenerative diseases.
- A common biochemical cell death program, involving mitochondrial permeabilization and apoptotic factor release, underlies delayed neuronal demise.
- Bcl-2 family proteins, including Bid, regulate this critical mitochondrial checkpoint in neurons.
Purpose of the Study:
- To review the role of Bid in the intrinsic pathway of neuronal apoptosis.
- To highlight Bid's function as an integrating regulator amplifying both caspase-dependent and -independent neuronal death.
- To discuss the therapeutic potential of inhibiting Bid in neurological diseases.
Main Methods:
- Review of existing literature on neuronal cell death mechanisms.
- Focus on the intrinsic apoptotic pathway and the role of Bcl-2 family proteins.
- Analysis of Bid cleavage, mitochondrial translocation, and its impact on neuronal apoptosis.
Main Results:
- Cleavage and mitochondrial translocation of Bid are observed in various neuronal cell death paradigms.
- Bid acts as a central regulator, amplifying the execution phase of neuronal apoptosis.
- Bid integrates signals leading to both caspase-dependent and caspase-independent neuronal death.
Conclusions:
- Bid is a crucial integrator of the intrinsic neuronal death pathway.
- Pharmacological inhibition of Bid presents a promising therapeutic avenue for neurological disorders characterized by programmed cell death.
- Targeting Bid may offer a unified strategy for treating diverse neurodegenerative conditions.
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