# Can 5-Amino-1MQ inhibit proliferation in cervical cancer cells?

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Peptide Longevity Q&A · 2021-11-01


    Research indicates that 5-Amino-1MQ significantly inhibits the proliferation of HeLa cervical cancer cells in a concentration and time-dependent manner. The treatment led to morphological signs of apoptosis and altered expression of key oncogenic proteins, suggesting potential applications in cancer therapy.

 What the research shows

The study investigated the effects of 5-Amino-1MQ (5MQ), a small molecule inhibitor of nicotinamide N-methyltransferase (NNMT), on HeLa cells, a cervical cancer cell line. The researchers tested various concentrations of 5MQ, ranging from 0.1 to 500 µM, to assess its anti-proliferative effects. Cell viability was measured using the MTT test, while changes in mRNA and protein expression levels were analyzed through Quantitative Real-Time Polymerase Chain Reaction (qRT-PCR) and Western Blotting. The findings revealed that 5MQ significantly inhibited HeLa cell proliferation, with increased cell shrinkage, loss of cellular adhesions, and the presence of apoptotic bodies observed post-treatment. Additionally, the treatment resulted in increased mRNA levels of ZEB1 and SIRT1, while TWIST and SERPIN1 mRNA levels decreased. The protein expressions of phospho-Akt and SIRT1 were also decreased, indicating a potential mechanism of action.

 Why it matters for longevity

The implications of this research extend beyond cancer treatment, as NNMT is associated with tumor progression and treatment resistance. By inhibiting NNMT, 5-Amino-1MQ may contribute to improved cellular health and longevity. The ability to induce apoptosis in cancer cells while sparing normal cells, such as HEK-293 cells, highlights its potential therapeutic applications. Since NNMT is overexpressed in various malignancies, targeting this enzyme could represent a novel approach in cancer therapies, potentially enhancing the healthspan and longevity of individuals by mitigating cancer-related morbidity.

 Key findings at a glance

5-Amino-1MQ significantly inhibited HeLa cell proliferation.

The anti-proliferative effects were concentration and time-dependent.

Morphological signs of apoptosis were observed after treatment.

Increased levels of ZEB1 and SIRT1 mRNA were noted.

Decreased expression of phospho-Akt and SIRT1 proteins occurred.

5-Amino-1MQ did not affect the proliferation of HEK-293 cells.

 How 5-Amino-1MQ works (background)

5-Amino-1MQ functions as an inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme implicated in tumor progression and metastasis. By inhibiting NNMT, 5MQ may alter metabolic pathways that are crucial for cancer cell survival and proliferation. The reduction in phospho-Akt and SIRT1 protein levels following treatment suggests that 5MQ may disrupt signaling pathways essential for tumor growth, leading to increased apoptosis in cancer cells. This mechanism could provide insights into how targeting metabolic enzymes can influence cancer therapy and longevity.

 Safety, caveats, and what we don't yet know

While the study demonstrates the anti-proliferative effects of 5-Amino-1MQ on HeLa cells, further research is necessary to understand its safety profile and efficacy in human populations. The study primarily focused on in vitro models, and the effects in vivo remain to be explored. Additionally, the long-term impacts and potential side effects of 5MQ treatment have not been fully characterized. Future studies should also investigate its effects on other cancer types and in combination with existing therapies.

 Bottom line

5-Amino-1MQ shows promise as an inhibitor of cervical cancer cell proliferation, suggesting potential applications in cancer therapy. Its ability to induce apoptosis while sparing normal cells warrants further investigation.

 Related questions

 How does 5-Amino-1MQ affect cancer cell metabolism?

5-Amino-1MQ inhibits nicotinamide N-methyltransferase, potentially altering cancer cell metabolism and leading to reduced proliferation and increased apoptosis in cancer cells.

 What are the potential therapeutic applications of 5-Amino-1MQ?

5-Amino-1MQ may be explored for its applications in cancer therapy, particularly for tumors overexpressing NNMT, by inducing apoptosis and inhibiting tumor growth.

 Are there any known side effects of 5-Amino-1MQ?

Currently, the safety profile and potential side effects of 5-Amino-1MQ have not been fully established, necessitating further research to evaluate its long-term effects.

 Source: PubMed · J Obstet Gynaecol · published 2021-11-01.

## Sources

- PubMed · J Obstet Gynaecol: https://pubmed.ncbi.nlm.nih.gov/33645410/