Timp1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
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Full Name
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Tissue Inhibitor of Metalloproteinases 1
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Symbol
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TIMP1
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Chromosomal Location
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Xp11.23
NCBI Gene ID
7076
UniProt ID
P01033
Ensembl ID
ENSG00000102265
Associated Diseases
Cancer, Fibrosis, Alzheimer's Disease, Parkinson's Disease, Rheumatoid Arthritis
This page provides comprehensive information about the subject's role in neurodegenerative diseases. The subject participates in various molecular pathways and cellular processes relevant to Alzheimer's disease, Parkinson's disease, and related conditions.
TIMP1 encodes tissue inhibitor of metalloproteinases 1, a member of the TIMP family that regulates matrix metalloproteinases (MMPs). TIMP1 is a multifunctional protein with both MMP-inhibitory and growth-promoting activities.
Key functions include:
- MMP inhibition: Binds and inhibits active MMPs (particularly MMP-1, MMP-3, MMP-9)
- Cell growth: Has erythroid-potentiating activity and supports cell survival
- Anti-apoptotic effects: Blocks caspase activation and promotes cell survival
- Angiogenesis: Can promote or inhibit depending on context
- Inflammation: Modulates immune responses
TIMP1 has complex roles in AD:
- Amyloid metabolism: May influence Aβ accumulation
- Neuroprotection: Anti-apoptotic effects may protect neurons
- Synaptic plasticity: Involved in synaptic function
In PD, TIMP1 may play protective roles:
- Dopaminergic neuron survival: Anti-apoptotic effects
- Neuroinflammation: Modulates microglial responses
- Matrix remodeling: Protects extracellular matrix
TIMP1 is dysregulated in many cancers:
- Often elevated in tumors
- Can promote tumor growth via anti-apoptotic effects
- Associated with poor prognosis in some cancers
TIMP1 is expressed in:
- Most tissues: Widespread expression
- Fibroblasts: High levels
- Immune cells: Macrophages, lymphocytes
- Endothelial cells
- Brain: Astrocytes, microglia, neurons
In the brain, TIMP1 is expressed in astrocytes and can be induced by injury and inflammation.
- Gomez et al., TIMP1 functions and mechanisms (1997)
- Baker et al., TIMPs in neurodegeneration (2002)
- Lorenzl et al., TIMP1 in Parkinson's disease (2004)
- Wang et al., TIMP1 in Alzheimer's disease (2018)
The study of Timp1 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.