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Posts Tagged ‘P53 and cancer’

Broccoli and Watercress Sprouts Fight Cancer

In Anticancer foods, foods for colon cancer, foods for breast cancer, Cancer, Uncategorized on February 27, 2017 at 9:43 am

It is well known that cruciferous vegetables such as broccoli and watercress contain powerful anticancer compounds. But did you know that eating their respective sprouts can supercharge the health benefits? In sprout form these little three to four day old plants contain almost 100 times the level of cancer-fighting sulforaphane than the mature plants. The phytonutrients in these sprouts upregulate antioxidant enzymes and detoxification processes which clear toxic compounds from the body. And, that is just the beginning—read on to find out how sprouts knock the socks off cancer.

 What’s in a Sprout

Isothiocyanates (ITCs), such as sulforaphane, are sulfur-containing compounds found in cruciferous vegetables. They support matrix metalloproteinase-9 (MMP-9) activity which reduces the breakdown of connective tissue within a cell that impede the expansion of existing tumors. Matrix MMP-9 plays important roles in tumor invasion and angiogenesis. Secretion of MMP-9 has been reported in various cancer types including lung, colon, and breast cancer.

ITCs also kill off cancer cells, including cancer stem cells, which is essential for combating cancer metastases. Isothiocyanates restrain certain pro-inflammatory compounds that are associated with chronic inflammation and cancer.

The ITC sulforaphane helps support the anti-inflammatory Nrf2 pathway which protects cells against oxidative and free radical activity. It supports the detoxification process by inducing Phase 2 detoxification enzymes, inhibiting the activation of pro-carcinogens, and  by boosting cellular glutathione levels.  Sulforaphane promotes cancer cell death and inhibits cancer cell proliferation. It also supports the immune system and in particular, increases Natural Killer Cell activity.

Sulforaphane also inhibits Helicobacter pylori, the bacterium that increases one’s risk of stomach and colorectal cancer.  It is also anti-viral and has been found effective against the Epstein Barr Virus.

Quercetin, another potent antioxidant highly concentrated in sprouts, is a strong anti-inflammatory and prevents tumor cell growth.  It also aids in the removal of excess estrogen from the body — it stimulates liver function to detoxify estrogen and other carcinogenic agents.

Lutein is another powerful antioxidant that neutralizes cancer-causing free radicals (it is also essential for many things, including eye health, protecting against macular degeneration, and for maintaining strong eye tissue). Lutein (and zeaxanthin) may be beneficial to cardio health by preventing hardening of the arteries.

Glutathione has been labeled the ‘mother of all antioxidants” due to its incredible ability to disarm free radicals, detoxify the body, and boost the immune system.

Broccoli Sprouts

broccoli-sproutsBroccoli sprouts are extremely high in cancer fighting activity, particularly against lung, colon, and breast cancers. Compounds in broccoli speed up the removal of estrogen from the body, helping to suppress breast cancer. They also target cancer stem cells, the cells responsible for metastasis.

Broccoli sprouts contain a high amount of the cancer-busting and immune boosting substance sulforaphane. They are also abundant in quercetin, glutathione, beta carotene, indoles, vitamin C, lutein, glucarate, and the metabolic substance DIM, which is a natural aromatase inhibitor.

Broccoli sprouts are rich in cholesterol reducing fiber and have anti-viral and anti-ulcer activity. They are also a super source of chromium that helps regulate insulin and blood sugar.

 

Watercress Sproutswatercress-sprouts

Sometimes called peppergrass, watercress is delicious and pungent. It is also one of the most nutrient-dense foods known. It is rich in beta-carotene and other carotenoids, including lutein. Watercress also offers significant quercetin, EGCG (Epigallocatechin Gallate), flavanols such a kaempferol, lycopene, idole-3 carbinol (13C), sulforaphane, as well as DIM. It is a good source of riboflavin, vitamin C, A and K, calcium, magnesium, vitamin E, and contains trace amounts of omega 3’s. Watercress is one of the best food sources of iodine for vegans.

Watercress also contains a high amount of PEITC (phenylethylisothiocyanate) which has been shown to protect DNA from damage. PEITC reduces the growth of breast cancer cells, triggers apoptosis (cancer cell death), and decreases angiogenesis. It inhibits the growth of HER2 expression as well as cancer metastasis.

PEITC (also found in some other cruciferous vegetables, including broccoli) deactivates mutant p53 in tumor cells but leaves normal p53 alone. P53 regulates cell division by keeping cells from growing and dividing too fast or in an uncontrolled way. A mutation in p53 is a permanent change in the nucleotide sequence of DNA. Loss of p53 function can be deleterious, and about 50% of all human cancers have a mutated p53 gene.

Watercress has antioxidant, antigenotoxic (the process by which chemical agents damage genetic information within a cell causing mutations), and anti-inflammatory properties.

Studies show that a regular intake of watercress has been associated with protection against breast, colon, and other cancers.

Watercress and broccoli affect all stages of cancer: initiation, proliferation, and metastasis. So, what’s not to love about these sprouts? Plus, it is a lot easier to consume a handful of sprouts than it is to down a pound and a half of broccoli or an enormous plate of watercress– which, for example,  is the amount it would take to get an equivalent amount of sulforaphane.

Add sprouts to your smoothies; use on sandwiches, on top of pizza, in salads, and as a garnish for soups. I make wonderful gluten-free pizza crusts using cauliflower or garbanzo bean flour, and pile the pizza high with arugula and sprouts just before serving.  Yum!

Just a reminder that while  eating cruciferous vegetables is a important for optimal health, it is necessary to have sufficient iodine in the diet when consuming high quantities  (including DIM).

Can’t find sprouts locally?  Grow your own–Year-Round Indoor Salad Gardening: How to Grow Nutrient-Dense, Soil-Sprouted Greens in Less Than 10 days

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Thanks!

Elyn

~~If you don’t know your options, you don’t have any~~

Elyn Jacobs is a breast cancer survivor and holistic cancer strategist who helps people make better, healthier, non-toxic choices. She emphasizes the critical nature of addressing the root cause of cancer and not just its presenting symptoms (such as the tumor). Elyn specializes in understanding the role of estrogen in breast cancer and debunks the myths associated. She is a Contributing Editor for The Truth About Cancer and was creator and host of the Survive and Live Well Radio Show on the Cancer Support Network. Elyn is on the Medical Advisory Board for BeatCancer.Org and is on the Advisory Board to the Radical Remission Project. Elyn was the former Executive Director of the Emerald Heart Cancer Foundation. Contact Elyn via her website. Elyn offers consults via Skype, phone or in person.

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What You Need to Know About Mutations in the p53 Cancer Tumor Suppressor Gene

In Alternative Cancer Therapies, Alternatives Cancer Treatment, Anticancer foods, foods for colon cancer, foods for breast cancer, colon cancer, High Dose Vitamin C and Cancer, Radiation on January 3, 2017 at 2:34 pm

The word mutation just doesn’t sound like something good. By definition, a mutation is a permanent change in DNA. Mutations, for the most part, are harmless except when they lead to tumor formation. 

Likely you have heard about BRCA mutations. BRCA genes are tumor suppressor genes. BRCA mutations can increase one’s risk for cancers of the breast and ovaries. However, these mutations are only responsible for about 5-10% of all breast cancers and about 15% of ovarian cancers. But, the little-known p53 mutation affects far more people. About 50% of all cancers have a mutated p53 gene.

What is P53?
The p53 protein is located in the nucleus of cells throughout the body, where it attaches (binds) directly to DNA. (It is actually the TP53 gene that provides instructions for making the tumor protein p53 but for simplicity, I will say p53.) P53 regulates cell division by keeping cells from growing and dividing too fast or in an uncontrolled way.

P53 plays a critical role in determining whether damaged DNA will be repaired or a damaged cell will self-destruct (undergo apoptosis). If the DNA can be repaired, p53 activates other genes to fix the damage. If the DNA cannot be repaired, this protein prevents the cell from dividing and signals it to undergo apoptosis. By stopping cells with mutated or damaged DNA from dividing, p53 helps prevent the development of tumors.

Mutated P53
P53 mutations lead to a version of p53 that cannot regulate cell growth and division effectively. Specifically, the altered protein is unable to trigger apoptosis in cells with mutated or damaged DNA.

DNA can be damaged by agents such as toxic chemicals, radiation such as gamma rays, X-rays — even UV light can interact with compounds in the cell generating free radicals which cause chemical damage to DNA.

Since all cells in our body contain DNA, there are lots of places for mutations such as p53 to occur. When p53 does not operate properly, damaged DNA can replicate, producing mutations and DNA rearrangements that contribute to the development of a highly transformed, metastatic cell. Many cancer cells inactivate p53, allowing the cells to evade death and continue proliferating up to becoming a tumor.

Mutant p53 proteins not only lose their tumor suppressive activities but often escalate the development of cancerous tumors by providing them with growth and survival mechanisms. Interestingly, mutations in the p53 gene have been shown to occur at different phases of the cancer process, contributing to tumor initiation, promotion, aggressiveness, and metastasis.

P53 mutations contribute to risk of brain tumors and breast, prostate, colon and other cancers. Mutations in p53 gene usually correlate with poor outcome and early recurrence in cancer.

Enough of the bad news.

The Good News
What is really exciting is that this repair gene, p53, which protects cells from becoming cancerous, can be highly activated by many natural substances—substances that do not have the negative side effects of drug therapies. The ability to activate p53 within cells may halt cell proliferation, or even cause cancer cell death.

 

watercressFor example, cruciferous vegetables (especially watercress with its high content of PEITC) have been found to support p53. PEITC (phenethylisothyanate) decreases the levels of mutated p53 and helps to restore the normal activity of this protein. Vitamin C is another promoter of P53, which is one of the reasons intravenous Vitamin C (IVC) and high-dose oral C therapies are so effective against cancer.
The resveratrol in red grapes and red wine (organic please, and research shows dark, red wines are best) also activates the P53 gene. IP6 has been shown to alter the expression of p53. Zinc helps protect the p53 gene against cancer-forming mutations. Selenium can activate p53 in response to genetic damage, helping the cell to repair its DNA. Herbs such as sage, rosemary, ginger, curcumin, and ashwaganda support p53. Thymoquinone extracted from black seed triggers apoptotic cell death in colorectal and other cancers cells via the p53- dependent mechanism. Anthocyanins, abundant in red  onions, inhibit the damage that impaired p53 can cause on cells and tissue. Anthocyanins are also found in blackberries, blueberries, purple grapes, eggplant, and avocado.

P53 Supporters:
• Cruciferous vegetables, especially watercress
IP6
Resveratrol
• Herbs such as sage, rosemary, ginger, curcumin, and ashwaganda
• EFA’s from omega 3 fatty acids (please use caution with fish oil supplements as they can be toxic). For a plant based formula, you could take BodyBio Balance Oil.
• Licorice
• Mistletoe
Vitamin D
Selenium
• Vitamin C
Zinc
Black Seed
Clinoptilolite (a special form of Zeolite)
On the other hand, processed foods, refined flours, and sugars will impair P53. Smokey flavoring and smoked foods can also damage DNA. Chemicals such as benzene and perchloroethylene, two volatile organic compounds, negatively affect p53, possibly causing them to stimulate rather than suppress cell proliferation.

The late Integrative Oncologist Dr Mitchell Gaynor, MD was famous for his passion for explaining that we can change the way our genes behave by making good dietary choices. For more gene-changing foods and lifestyle habits read Dr. Gaynor’s book, The Gene Therapy Plan, Taking Control of Your Genetic Destiny with Diet and Lifestyle.

P53 and BRCA are not the only genetic mutations that increase cancer risk. For example, mutations in th e CHEK2 gene are associated with an increased risk of developing many types of cancer, including breast, colon, prostate, and other cancers — sometimes at young ages. If you have a history of hereditary cancer you might benefit from genetic testing for CHEK2 and others.

Testing
You can request to be tested for the p53 mutation. The test is called the p53 Gene Mutation Analysis, Cell Based, offered by labs such as Quest Diagnostics. If your insurance company does not accept Quest or another lab that offers this test, you can petition your carrier for a Network Gap Exception.
You may need to consult a genetic counselor if your oncologist does not routinely check for mutations as these tests are not part of your typical pathology report.

Found this article helpful?  Please let me know.

 

Elyn

~~If you don’t know your options, you don’t have any~~

Elyn Jacobs is a breast cancer survivor and holistic cancer strategist who helps people make better, healthier, non-toxic choices. She emphasizes the critical nature of addressing the root cause of cancer and not just its presenting symptoms (such as the tumor). Elyn specializes in understanding the role of estrogen in breast cancer and debunks the myths associated. She is a Contributing Editor for The Truth About Cancer and was creator and host of the Survive and Live Well Radio Show on the Cancer Support Network. Elyn is on the Medical Advisory Board for BeatCancer.Org and is on the Advisory Board to the Radical Remission Project. Elyn was the former Executive Director of the Emerald Heart Cancer Foundation. Contact Elyn via her website. Elyn offers consults via Skype, phone or in person.

Follow Elyn on Facebook
Follow Elyn on LinkedIn

http://www.ambrygen.com/tests/chek2-related-cancer
http://www.nbs.csudh.edu/chemistry/faculty/nsturm/CHEMXL153/DNAMutationRepair.htm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2827900/
https://ghr.nlm.nih.gov/gene/TP53
https://www.ncbi.nlm.nih.gov/pubmed/14608114
http://www.ambrygen.com/tests/chek2-related-cancer
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3135636/