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Nikhil Prasad  Fact checked by:Thailand Medical News Team Dec 07, 2024  4 days, 14 hours, 15 minutes ago

HOXA11AS and its Role in Pancreatic Cancer Progression

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HOXA11AS and its Role in Pancreatic Cancer Progression
Nikhil Prasad  Fact checked by:Thailand Medical News Team Dec 07, 2024  4 days, 14 hours, 15 minutes ago
Medical News: Understanding Pancreatic Cancer Challenges
Pancreatic ductal adenocarcinoma (PDAC) is among the deadliest cancers globally. Despite advances in treatment, survival rates remain alarmingly low, particularly when the disease spreads to lymph nodes. Researchers from Sapporo Medical University in Japan have uncovered how a molecule called HOXA11-AS may contribute to the aggressive nature of this cancer.


Graphical Abstract - HOXA11AS and its Role in Pancreatic Cancer Progression

What Is HOXA11-AS?
HOXA11-AS is a long noncoding RNA (lncRNA), a molecule that does not produce proteins but plays critical roles in controlling gene activity. Researchers found that this molecule is overexpressed in pancreatic cancer tissues, particularly those with lymph node metastasis. Its elevated levels are linked to advanced cancer stages and reduced survival rates in patients.
 
This Medical News report explains the study's significant breakthroughs and provides insights into how HOXA11-AS operates in PDAC, potentially opening doors to targeted treatments.
 
Key Study Findings
Using data from The Cancer Genome Atlas (TCGA), the team identified 740 genes associated with lymph node metastasis in pancreatic cancer. Among these, HOXA11-AS stood out due to its significant upregulation in metastatic cases. Further laboratory experiments revealed that silencing HOXA11-AS in pancreatic cancer cells reduced their ability to grow and spread.
 
RNA sequencing revealed that HOXA11-AS affects two gene families with opposite roles. It suppresses interferon lambda (IFNL) genes, known for their tumor-fighting abilities, and activates high-mobility group box (HMGB) genes, which are linked to cancer progression. Specifically, the HMGB3 gene emerged as a key player in promoting cell proliferation and migration.
 
The Role of IFNL Genes
IFNL genes belong to a family of molecules known as type III interferons, which play a role in the immune system's defense against tumors. The study showed that when HOXA11-AS is suppressed, IFNL genes are activated, enhancing their tumor-suppressing functions. This activation points to the potential of targeting HOXA11-AS to bolster the immune system's fight against pancreatic cancer.
 
The Influence of HMGB Genes
HMGB proteins are known for regulating DNA structure and gene activity. HMGB3, in particular, promotes cancer cell growth and migration. The study confirmed that HOXA11-AS drives the expression of HMGB3, contributing to the spread of cancer to lymph nodes. By targeting HOXA11-AS, it may be possible to disrupt this pathway and limit cancer progression.
 
Clinical Implications and Future Research
These findings position HOXA11-AS as a promising therapeutic target. Blocking its activity could simultaneously enhance the immune system's natural defenses and suppress harmful genes that drive cancer growth. Additionally, HO XA11-AS could serve as a biomarker to identify patients at higher risk of lymph node metastasis, enabling earlier and more precise interventions.
 
Future research could focus on developing drugs or genetic therapies to inhibit HOXA11-AS. Another avenue would be exploring its role in other cancers where it is also overexpressed, such as breast, lung, and liver cancers.
 
Study Conclusions
The researchers concluded that HOXA11-AS plays a pivotal role in pancreatic cancer progression by influencing the activity of both tumor-promoting and tumor-suppressing genes. Targeting this molecule offers a twofold benefit - activating the immune response and halting cancer spread. The study not only sheds light on the complex biology of pancreatic cancer but also offers hope for new and effective treatment strategies.
 
The study findings were published in the peer-reviewed International Journal of Molecular Sciences.
https://www.mdpi.com/1422-0067/25/23/12920
 
For the latest on Pancreatic Cancer, keep on logging to Thailand Medical News.
 
Read Also:
https://www.thailandmedical.news/news/targeting-glutathione-peroxidase-as-a-game-changer-in-pancreatic-cancer-treatment
 
https://www.thailandmedical.news/news/new-study-finds-link-between-high-hba1c-levels-and-pancreatic-cancer-risk
 
https://www.thailandmedical.news/news/the-unexpected-connection-between-covid-19-and-pancreatic-cancer
 
https://www.thailandmedical.news/news/new-hope-for-pancreatic-cancer-treatment-fungi-derived-bioactive-compounds
 
https://www.thailandmedical.news/news/aronia-berry-extract-overcomes-pancreatic-cancer-drug-resistance-via-myd88-nf-kb-p-glycoprotein-modulation
 
https://www.thailandmedical.news/news/-metformin-a-surprising-new-hope-for-pancreatic-tumor-treatment
 
(Access TMN Website as they are more than 80 interesting articles on the latest research with regards to pancreatic cancer.)

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