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Published on: April 3, 2026
Herbal therapeutics that block the oncogenic kinase PAK1: a practical approach towards PAK1-dependent diseases and
1NF/TSC Cure Org., Melbourne, Australia.
Abstract:
Over 35 years research on PAKs, RAC/CDC42(p21)-activated kinases, comes of age, and in particular PAK1 has been well known to be responsible for a variety of diseases such as cancer (mainly solid tumors), Alzheimer's disease, acquired immune deficiency syndrome and other viral/bacterial infections, inflammatory diseases (asthma and arthritis), diabetes (type 2), neurofibromatosis, tuberous sclerosis, epilepsy, depression, schizophrenia, learning disability, autism, etc. Although several distinct synthetic PAK1-blockers have been recently developed, no FDA-approved PAK1 blockers are available on the market as yet. Thus, patients suffering from these PAK1-dependent diseases have to rely on solely a variety of herbal therapeutics such as propolis and curcumin that block PAK1 without affecting normal cell growth. Furthermore, several recent studies revealed that some of these herbal therapeutics significantly extend the lifespan of nematodes (C. elegans) and fruit flies (Drosophila), and PAK1-deficient worm lives longer than the wild type. Here, I outline mainly pathological phenotypes of hyper-activated PAK1 and a list of herbal therapeutics that block PAK1, but cause no side (harmful) effect on healthy people or animals.
Insights
RAC/CDC42(p21)-activated kinases (PAKs), especially PAK1, are implicated in numerous diseases. Herbal therapeutics like propolis and curcumin can block PAK1 without harming healthy cells, offering a promising treatment avenue.
Area of Science:
- Molecular Biology
- Cell Signaling
- Disease Pathology
Background:
- Over 35 years of research highlights the role of PAKs, particularly PAK1, in various diseases including cancer, Alzheimer's, and diabetes.
- Currently, no FDA-approved PAK1 inhibitors are available, leaving patients reliant on alternative treatments.
Purpose of the Study:
- To outline the pathological phenotypes associated with hyperactive PAK1.
- To identify herbal therapeutics that effectively block PAK1 activity.
- To assess the safety profile of these herbal PAK1 blockers.
Main Methods:
- Review of existing literature on PAK1 function and its role in disease pathogenesis.
- Identification and compilation of herbal compounds reported to inhibit PAK1.
- Analysis of studies investigating the effects of herbal therapeutics on lifespan in model organisms (C. elegans, Drosophila).
Main Results:
- Hyperactivation of PAK1 is linked to diverse pathological conditions, including solid tumors, neurodegenerative diseases, and inflammatory disorders.
- Herbal therapeutics such as propolis and curcumin have demonstrated the ability to inhibit PAK1.
- These natural compounds extend lifespan in model organisms and do not adversely affect normal cell growth or healthy individuals.
Conclusions:
- Hyperactive PAK1 is a significant factor in numerous diseases, creating an unmet need for effective treatments.
- Herbal therapeutics offer a safe and potentially effective strategy for managing PAK1-dependent diseases by inhibiting PAK1 without harmful side effects.
- Further research into these natural compounds could lead to novel therapeutic interventions.
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