Cancer, Epigenetics, and Nutrigenomics - How Food Affects Your Cancer Genes

Robert Greene - Cancer, Epigenetics, and Nutrigenomics - How Food Affects Your Cancer Genes

Good morning. Yesterday, I learned about Robert Greene - Cancer, Epigenetics, and Nutrigenomics - How Food Affects Your Cancer Genes. Which could be very helpful in my experience so you. Cancer, Epigenetics, and Nutrigenomics - How Food Affects Your Cancer Genes

One of the causes of cancer is abnormal genes. Cancer causing genes are called oncogenes and genes that forestall cancer are called tumor suppressor genes. Cancers can occur when the general genes are not functioning normally. Genes, as you know, are the blueprints to the body. They tell a cell what it will be and what it will do. We could not function if the process did not run well. There is a law in place that is designed to keep good genes running and suppress bad genes. This process is called epigenetics.

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Robert Greene

Epigenetic changes are modifications to the genome that are heritable while cell division but do not involve a turn in Dna sequence. Expression of genes is not regulated by the Dna sequence, which is the same in every cell, but by epigenetic marking and packaging. This process regulates chromatin structure through Dna methylation, histone variants, post-translational modifications, nucleosome positioning factors or chromatin loop and domain organization.

How can this cause cancer? Well, if a tumor suppressor gene is abnormally turned off, or an oncogene is turned on, then cancer (carcinogenesis) can occur. One key is a chemical turn to the Dna called methylation. First, we need to define the process to make it clearer.

Dna contains four bases: adenine, guanine, cytosine, thymidine, but there is a fifth base methylated cytosine. Dna methyl-transferase (Dnmt) produces methyl-cytosine where cytosines precede guanine (CpG). The CpG areas are not symmetric but clustered in CpG islands placed at promoter regions. The promoter region is the region at the beginning of a gene and it controls the start of gene transcription. If the promoter is off, then the gene never is expressed.

Abnormal methylation in cancer has been known for 20 years. Hypo-methylated areas turn on regularly silent areas such as virally inserted genes or inactive X-linked genes. Hyper-methylated areas silence tumor suppresser genes.

We know that cancers have abnormal levels of methylation and we know foods can help forestall cancers. Is there a link between foods and epigenetics? Yes!

The study of food nutrients and their corollary on disease through epigenetics is known as nutrigenomics. This is a growing field, in fact, it is exploding. A Google crusade for the term nutrigenomics produces 127,000 entries.

Epidemiologic studies suggest there are bad foods and good foods. Bad: red meat, processed meat, grilled meat, dairy, animal fat, partially hydrogenated fats. Good: Fish, fruits, vegetables, tree nuts, omega-3 fatty acids, whole grains.

You can study the epigenetic effects of bad or good foods. I'm going to talk about some of the cancer preventing foods and how their mechanisms consist of epigenetic effects.

Foods with epigenetic effects consist of green tea, cruciferous vegetables, and grapes. regularly we hear about antioxidants and foods. Antioxidants are prominent but there are useful substances in foods called polyphenols which can sway genes. Of the polyphenols, different forms exist but flavonoids are the most extremely cited for health benefits and are found in a variety of vegetables and fruits. Types of flavonoids consist of flavanols in tea, isothiocyanate in cruciferous vegetables, anthocyanidins in grapes and berries, flavonone in citrus fruits, flavonols in onions, isoflavones (genistein) in soy.

All tea contains polyphenols, but the highest levels are in green and white tea. Green tea has been well studied and appears to have anti-cancer benefits. In China, green tea drinkers are 50% less likely to create gastric or esophageal cancer (Carcin 2002; 23 (9): 1497), and 2 cups daily added to topical tea excerpt reversed oral leukoplakia (J. Nutri Biochem 2001; 12 (7): 404).

Green tea has grand antioxidant effects but it also helps to balance general methylation in Dna. In fact, one study in esophageal cancer cells demonstrated that Egcg from green tea is able to turn on tumor suppressor genes that had been chemically silenced by methylation (Cancer explore 2003;63:7563).

Cruciferous vegetables consist of broccoli, cauliflower, kale, Bok choi and their anti-cancer effects have been demonstrated in epidemiologic studies. These grand vegetables not only induce enzymes that break down carcinogens but they also inhibit Dna methylation allowing tumor suppressor genes to thrive. Inhibiting abnormal methylation also helps cruciferous vegetables to inhibit the cancer causing action of tobacco smoke by preventing the formation of nitrosamine-Dna adducts.

Grapes, which consist of reserveratrol, are exquisite for heart health and they have anti-cancer activity. Grapes work by preventing the formation or initiation and promotion of cancers. They don't have methylating actions as discussed above but they work by modulation histones.

Histones are the chief protein component of the Dna chain (chromatin). They act as spools for the Dna to wind nearby which then shortens the length of the Dna to 30,000 times shorter than an unwrapped strand. This process not only allows the long Dna chain to fit into a cell but also plays a role in gene expression because how the genes are wound affects which are exposed and available for turning on or off. Rolling the spool a different way would expose other genes and turn their expression.

Histones are modified after translation by acetylation, methylation, phosphorylation, ubiquitination. The changes occur at lysine residues (except for phosphorylation of serine or threonine). When the histone is acetylated the charge is changed and the histone loosens its grip on the Dna seaboard and the Dna unwinds, exposing the genes to be transcribed, or repaired.

When histone tails (H3,H4) are acetylated, genes are transcribed, when they are deacetylated, genes are turned off. Histone deacetylases work to say deacetylated sites.

Resveratrol, found in grapes, activates Sirtuins; SirT1 (Sir2 proteins). There are at least 7 Sir2-like proteins and they are histone deacetylators. Sirtuins are induced in animals while starvation states. They seem to have a life preservation effect. Interestingly, when an animal is starved, it can live longer. When the calorie intake of rodents was decreased by 40% in rodents, they actually lived 50% longer and appear to have fewer chronic diseases. The same benefit occurs when rodents when they are given resveratrol in their diet.

Resveratrol deacetylates histones causing tighter packing of the chromatin and a lower level of transcription of Dna. This silencing of the Dna is belief to be the mechanism of life prolongation, heart health, and its useful actions to forestall cancers. This is why grapes or red wine is useful to your health. How much red wine should you drink? No one knows for sure, but any useful effects might be negated after two glasses a day because of the alcohol. I wouldn't suggest drinking more than this until more is known. The data is very promising, but more explore is needed.

Our knowledge of disease wide in the genomic era due to the human genome scheme but the study of genes is not enough. Epigenetics is a very prominent and complex belief that helps clarify how genes are turned on or off. As more studies are completed we will be able to unlock the mechanisms to diseases and produce new therapies that could turn off bad genes and turn on good genes. More importantly, these studies will demonstrate how foods sway your genes and can forestall or reverse diseases or cancers. Nutrigenomics, the study of how food chemicals (nutrients) sway genes, is a growing field and promises to turn the way we look at and eat our meals. Some of the most useful foods consist of green tea, cruciferous vegetables and grapes, but don't stop there. The more fruits and vegetables the great when it comes to your health.

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How Language and Words Affects Our Behavior

Robert Greene The Art Of Seduction - How Language and Words Affects Our Behavior

Hello everybody. Today, I learned all about Robert Greene The Art Of Seduction - How Language and Words Affects Our Behavior. Which is very helpful in my opinion and you. How Language and Words Affects Our Behavior

What and how we say things can have an follow on us as well as others. It all depends on the article and context. Language has enabled humans to survive and to thrive. We have been able to reveal to others solely based on the words used. Yet those same words can originate tension as well as love.

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Robert Greene The Art Of Seduction

Though the words may have meaning, it's only the meaning each someone gives it. Convert the words colse to in a sentence and they can have a wholly dissimilar meaning. One word can move someone to performance and someone else word can stop a someone in their tracks. Even the words you're reading in this article may have meaning to you - it all depends on how I write it and what you take from it.

Single words can be given supplementary meaning by using other words. At last they form a sentence. How they are structured within the sentence gives it meaning one way or another.

Now here's the kicker about words and language. Many citizen tend to say a word as the thing they are referring to. For example, saying the words "Statue of Liberty" as it is the statue of Liberty. The words are only words and not the thing. It's the same with a map. The map is not the territory. It may be a representation, but not the area it represents.

Yet, citizen will get emotional when a inevitable word is mentioned as if the word was real. This can affect how we behave. Many advertisers will use words (and language) to affect our behavior so we will buy what they offer. Politicians will use words to have an follow on how we vote. Poets have long used words to associate with us emotionally, so have storytellers. This happens in every language.

Making the words we say to ourselves can help us or hinder us. What if I tell you to "try to do something" does that make you want to take action? But what if I say "you will do something, now" is that more powerful? It's the buildings of how the words are used that can have an affect on your behavior.

Now if I say the word "dog" to you, what meaning does it have to you? You may think of a pleasant memory of a family dog you had as a child. someone else someone may have a fearful memory of being mauled by a dog. It's the same word with dissimilar meanings to dissimilar people. Think about these words and what meaning would you give them: Republican, Democrat, Libertarian, Independent, Green Party, and Socialist Party? How about California, Alabama, New York, Kansas, Montana, Texas, and Washington D.C.?

What if I changed a sentence and said, "Dog bites man." What meaning does that express to you? How about if I say "Man bites dog?" Does Convert things even though the same words were used?

As you can see, each one will have a dissimilar meaning from dissimilar people. Each one may even bring about a behavioral Convert in each person. Yet, they are only words, aren't they? The only meaning they have is what each one of us gives them. Additionally, the how the sentence is structured will give the words a dissimilar meaning.

Look at the words you use in your own life. What meaning are you giving them? What emotions do they bring out in you? Do they originate some behavior in you? If you were to think rationally about this, then you'll know the words for what they are for, only words. You are the meaning and the behavior resulting from the words, not the words themselves. Language and words can have a profound follow on our behavior as long as we don't know the reality behind them.

I hope you get new knowledge about Robert Greene The Art Of Seduction. Where you may offer used in your daily life. And above all, your reaction is passed about Robert Greene The Art Of Seduction.