A comprehensive new
review article highlights the growing importance of the
MYH9 gene as a central player in both
cancer biology and
inherited genetic conditions, offering fresh perspectives on its potential as a
therapeutic target.
The
MYH9 gene encodes
non-muscle myosin IIA (NMIIA), a critical protein responsible for essential cellular functions such as
cell movement,
division, and
signal transmission. These fundamental roles position MYH9 at the heart of cellular behavior, making it increasingly relevant in understanding disease mechanisms.
Recent attention has focused on MYH9’s involvement in
cancer progression, where it demonstrates a complex and sometimes dual nature, acting either as an
oncogene or a
tumor suppressor depending on the biological context. Its influence extends to key processes such as
tumor growth,
metastasis, and
treatment resistance, underscoring its significance in shaping disease outcomes.
In parallel, MYH9 is known for its role in a group of inherited conditions collectively termed
MYH9-related diseases (MYH9-RD). These disorders are characterized by features such as
thrombocytopenia,
hearing loss, and
kidney complications, reflecting the gene’s wide-ranging impact across multiple organ systems.
A particularly intriguing aspect of MYH9 biology is its interaction with
non-coding RNAs (ncRNAs), including
microRNAs,
long non-coding RNAs, and
circular RNAs. These molecules regulate MYH9 expression and activity, influencing pathways linked to
cancer initiation,
progression, and
metastasis. This regulatory network adds another layer of complexity and opens new avenues for targeted intervention.
Emerging therapeutic strategies are beginning to focus on MYH9 through approaches such as
small-molecule inhibitors,
RNA-based therapies, and
gene-editing technologies. These strategies aim to disrupt the molecular pathways associated with MYH9, potentially improving treatment outcomes in a range of malignancies.
Despite these advances, key questions remain, particularly regarding whether individuals with MYH9 mutations may have altered susceptibility to cancer. This unresolved issue highlights the need for continued investigation into the gene’s dual roles in disease.
Overall, the expanding understanding of
MYH9 structure,
function, and
clinical relevance positions it as a promising focal point in modern biomedical research, with significant implications for the future of
precision medicine and
targeted cancer therapy.
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Reference
Shayan Emami, Amirreza Mazloomi, Fatemeh Ziadloo, Shaghayegh Hosseinzadeh, Hassan Saeedi, Azin Khoshghiafeh, Mohammad Reza Ahmadifard, MYH9: Structure, functions, and therapeutic implications in cancer and genetic disorders, Genes & Diseases, Volume 13, Issue 4, 2026, 101977,
https://doi.org/10.1016/j.gendis.2025.101977