Can Quercetin Help Prostate Cancer?

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When individuals are identified as having illnesses like cancer, they understand they have a difficult battle against their bodies. They comprehend that the therapy options out there, such as chemotherapy and radiation, are similarly as strenuous as the disorder itself.

Before beginning cancer treatment, some people try to find methods to make the recovery process more comfortable and not as harmful to their overall health and their immune system.

A recent investigation unveils the advantages of a potent antioxidant that is often overlooked: quercetin for prostate wellbeing, even though numerous assertions have examined the curing capacities of different dietary components.

What is Quercetin?

Many people are still unaware of the fame that quercetin has achieved in the dietary supplement industry, despite its name is widely known.

Many types of food with bright coloring, such as fruits and veggies, contain the flavonoid antioxidant known as Quercetin. If you have been eating apples, oranges, dark berries like blueberries and blackberries, peppers, tomatoes, red onions, asparagus, or leafy green veggies, it is likely that you have obtained some quercetin from your diet.

For those suffering from serious ailments, purchasing foods that are nutrient-dense can provide them with necessary supplementary sustenance and nutrition.

A team of scientists from the Indian Institute of Science attempted to understand the effects of quercetin on the body. The investigators concluded that quercetin was effective in inducing apoptosis and inhibiting cell division.

These two processes are an important consideration in the context of cancer, as they are predominant factors in the formation of the disease. Cells with cancer are troublesome because they expand in an unregulated manner and keep on reproducing. No way to halt their expansion has been implemented.

When quercetin enters the picture to assist in typical cell death, the breakdown of the cells is regulated in a specific way.

Unregulated cell death results in cell debris becoming scattered in tissue and creating conditions where decomposition can take place. All cells have a natural life cycle.

Cells are produced and then should become defunct in order for newly created ones to replace them and develop. When everything is working properly, the body can maintain healthful vibrancy through new cells.

The research group uncovered that quercetin could obliterate extremely hostile leukemia cells. This particular type of cell has been demonstrated to resist some of the most potent cancer medications.

Quercetin in Oncology

In recent years, there have been great strides made by scientists in recognizing the potential of natural substances to treat and manage fatal illnesses like cancer. Despite numerous natural remedies being at our disposal, there is still no definitive cure for cancer yet. Thus, it is vital to comprehend the connections between natural molecules and their relevant cell receptors in order to come up with an effective cancer treatment plan. This could necessitate a variety of interior cellular objectives such as inducing apoptosis, regulating the cell cycle, detoxification, copying of anti-oxidants, and generating new blood vessels (angiogenesis). The extensive research conducted on quercetin’s synergistic abilities reinforces its use as a medication for cancer prevention.

Apoptosis is accompanied by identifiable cellular processes, such as the forming of blebs, the declining adhesive force of the cell, expansion of the cytoplasm, fragmentation of genetic material, and the initiation of caspase activation through both internal and external pathways. Studies have found that quercetin may cause natural cell death through a process that engages mitochondrial functions, activation of caspase-3 and 9, and the release of cytochrome C and cutting of poly-ADP-ribose polymerase. Quercetin has been seen to cause apoptosis in various types of cancer cells, including MCF-7 cells from breast cancer, HK1 cells from nasopharyngeal carcinoma, HL60 cells from leukemia, and SCC-9 cells from oral squamous cell carcinoma – all through pathways involving the mitochondria and the caspase cascade. Apoptosis, or programmed cell death, is induced through the manipulation of signaling proteins in the cell, including an increase in the expression of Bax (Bcl2 associated X protein) and Cox-2, and a decrease in the amount of Bcl-2 found in the cell as a result of quercetin.

Typically, the progression of the cell cycle is controlled by cyclin and cyclin-dependent kinases. Conversely, cyclin-dependent kinase inhibiter regulates cyclin-dependent kinases. Quercetin brings about a stoppage of the S-phase cell cycle, and this impedes the manufacture of DNA in SCC-9 cells. Quercetin, administered in the S-phase of MCF-7 breast cancer cells, induces a cell arrest in a dose-dependent and time-linked way, resulting in a decrease in cyclin-dependent kinases-2, p53, and an increase in p57. Quercetin stops the growth of ovarian cancer cells by inhibiting their progression in the cell cycle and causes the cells to die through apoptosis.

It appears that quercetin causes a change in the activity of several types of CYP enzyme isoforms in cancer cells. Laboratory studies have indicated that quercetin restricts the action of CYP1A2 in human lung carcinoma A549 cells, HepG2 cells, as well as human hepatocytes. In addition to altering CYP enzymes, quercetin operates through the process of nuclear erythroid factor 2-related factor 2 expression, thus offering anti-tumor potential. When enzymes like heme oxygenase-1, UDP-glucuronosyl, and glutathione S transferases come into contact with carcinogens, quercetin serves to inhibit them. The genes of these enzymes involve replications of antioxidant components that are strictly controlled by nuclear erythroid factor 2-associated factor 2. The effects of this action lead to a correlation with a different protein, the Kelch-like ECH-associated protein-1, which suppresses Nrf2, and it deteriorates even further due to the ubiquitin-dependent proteasome pathway.

Quercetin aids the break-up of Nrf2-Keap1 complexes, allowing Nrf2 to move to the nucleus. Once in the nucleus, it forms associations with other transcription factors, connects to ARE, and starts the transcription process of stage II enzyme genes.

Quercetin and Prostate Cancer

Recently, a worsening of the health issues and death rates concerning prostate cancer have been seen, and treatments that are comprehensive are not producing the level of results that is desired. Quercetin, a flavonoid compound resulting from nature, has gained extensive recognition and concentration due to its capability to combat cancer. Research conducted through laboratory testing and observations in living organisms have confirmed that quercetin is effective in hindering prostate cancer through diverse pathways.

Quercetin and Cell Death

Despite the troublesome state of prostate cancer treatment, the outcomes of examinations about quercetin’s antineoplastic properties are encouraging, as it has been utilized in various human prostate cancer experiments with advantageous results. As prostate cancer advances, quercetin interferes with the cell modification from epithelial to mesenchymal, encouraging cells to destruct due to the interference of the PI3K/Akt signaling path. Additionally, it has been revealed that quercetin diminishes the amount of Bcl-xL in comparison to Bcl-xS and in comparison, increases the release of Bax to the mitochondria in human prostate cancer cells. Aside from this, quercetin boosts cancerous cells to self-destruct by diminishing the amount of heat shock protein-90. A decrease in Quercetin leads to a decrease in the level of heat shock protein-90, which has a negative effect on cell survival, blocking certain indicators, causing programmed cell death, and stimulating caspase proteins.

An exploration into the link between quercetin and prostate cancer has indicated that quercetin is potentially highly useful for treating androgen-independent prostate cancer. Quercetin descends the power of androgen-independent prostate cancer cells by affecting the activity of insulin-like growth factor (IGF), changing the passing on of signals and stimulating the death of unhealthy cells. No research has been carried out to investigate the impact of endoplasmic reticulum tension on quercetin-induced apoptosis in prostate cancer cells. Evidence suggests that quercetin may be linked to several distinct pathways that can trigger apoptosis. Liu et al. showed that quercetin reduces the amount of Bcl-2 protein and provokes apoptosis in prostate cancer cells by switching on the mitochondrial and endoplasmic reticulum stress cascade.

Quercetin decreased the activity of the Notch/AKT/mTOR pathway, an essential communication pathway in cancer development, resulting in a notable amount of apoptosis in U937 leukemia cells. Quercetin has been studied for its ability to increase TRAIL-induced apoptosis in DU-145 cells, which are human prostate cancer cells, by augmenting death receptor-5 expression. The acetylation and dephosphorylation of histone H-3 and AKT respectively, lead to a decrease in survivin in cell lines prostate cancer-3 and DU-145. The anti-prostate cancer properties of quercetin have been shown to cause apoptosis in response to these changes. In addition to causing apoptosis through the activation of the caspase cascade, quercetin also stimulates other means of apoptosis. The induction of apoptosis by quercetin is proving to be an important factor in its anti-prostate cancer benefits, and this has been investigated in many types of prostate cancer cells, drawing greater attention.

Quercetin apoptotic mechanism via death ligand and mitochondrial membrane. Quercetin triggers a large amount of Cyt-c to be discharged from the internal area of the mitochondria, thereby causing the formation of apoptosomes via the intrinsic pathway. In addition, apoptosis is enabled by blebbing, DNA breakdown, and contraction of the cytoskeleton. In contrast, quercetin activates caspase-8 by means of the extrinsic pathway, which in turn results in apoptosis. Quercetin helping to reduce the amount of heat shock proteins increases the levels of JNK and cdc cyclin B, which assists in treating prostate cancer. Bcl-xL stands for B-cell lymphoma extra-large; Bcl-2 is B-cell lymphoma-2; Cyt-c is short for cytochrome c; JNK means c-jun N terminal kinase; ERK is an acronym for extracellular signal regulated kinase; PARP stands for poly ADP-ribose polymerase; PI3K is an abbreviation for phosphoinositide 3 kinase; Akt stands for serine/threonine specific protein kinase.

The Cancer-Fighting Benefits of Quercetin

Researchers wanted to know how well quercetin could work. To verify this, they caused cancer in lab mice and administered them with quercetin.

They discovered that the tumor cells diminished in size notably after the treatment, suggesting that it will act as a tumor inhibitor.

Quercetin was found to engage with the mice’s genetic material, providing another way for it to eradicate cancerous cells. Interestingly, quercetin’s influence on cancer cells was observed without causing any disruption to normal cells.

The evidence from this research suggests that quercetin can be very beneficial in helping individuals to restore healthy cell operation quickly. It is conceivable that quercetin could be employed as a natural therapy alone or in addition to customary treatments such as chemotherapy and radiation in the future for treatment of cancer.

Does Quercetin Help Prostate Cancer?

An additional investigation looked into the potential anti-tumor properties of quercetin on prostate cancer. The scientists discovered that quercetin has anti-cancer effects by influencing ROS, Akt, and NF-κB pathways.

Treatment with quercetin showed a progressive decrease in cell viability in prostate cancer cells over time and as the dose increased, while having no effect on normal cells.

The results suggested that quercetin may be employed both as an anti-cancer preventive measure and when used together with other drugs to treat prostate cancer in order to enhance patient results.

Quercetin, as an antioxidant, counters free radicals, which are particles that can harm cells in the body. Free radicals are abundantly available through toxins. The airborne particles and compounds found in the food we consume can be located in the atmosphere. Free radicals can cause harm to cells, leading to them not performing as they should.

Free radicals can harm the health of cell membranes. This can give rise to mutations of cells, change the way DNA functions, and cause the demise of healthy cells.

Research studies have revealed that quercetin has the potential to improve the functioning of colon, prostate, breast, and lung tissues in people with tumors.

Does Quercetin Help Prostatitis?

Prostatitis can be classified into three separate groups: acute bacterial, chronic bacterial, and chronic nonbacterial.

The primary indications of prostatitis are agony in the pelvic area, ache during urinating and climaxing, and troubles with sex. The outcomes of these indications can be awfully destructive to one’s way of life.

Quercetin is thought to be a very efficacious supplement, as there is much scientific evidence backing up its use.

The UPOINT System is suggested by medical professionals for identifying and managing individuals who have prostatitis.

Quercetin has the potential to reduce inflammation in the prostate, which may have a beneficial effect on health overall.

It has been established that inflammation plays a major role in numerous long-term health issues. Addressing it is the initial stage to recovering. Preliminary studies have indicated that quercetin may be beneficial in managing symptoms of both nonbacterial prostatitis and acute bacterial prostatitis.

An evaluation of individuals suffering from ongoing non-bacterial prostatitis and chronic pelvic suffering was reported in the Journal of Urology, and it was conducted as a randomized double-blind study.

The men were provided with either a sham drug or 500mg of quercetin twice each day for 30 days. The results of the research explored that in the group taking quercetin, the men’s IPSS decreased from 21.0 to 13.1 at the end of the month, while the IPSS in the placebo group decreased from 20.2 to 18.8.

Research suggests that quercetin can be beneficial in aiding male patients with both chronic prostatitis/Chronic Pelvic Pain Syndrome and chronic bacterial prostatitis. Research has proven that taking a certain prostate herbal supplement, particularly when taken alongside saw palmetto, can help alleviate symptoms.


Adding quercetin supplements, a potent antioxidant, to your regular nutritional regimen is a good way to gain its advantages. Studies have demonstrated that it can enhance prostate wellness and help in alleviating symptoms.

Taking this supplement in a pill or capsule form can help amplify the advantages it offers.

Researchers are continuing to investigate the potential advantages of this remedy. It is becoming clear that this nutrient is one that you should not overlook!


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