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Researchers from universities in Belgium recently conducted a nine-year experiment, published in Nature Communications, that revealed how sugar stimulates the growth of tumors.
They explained that healthy cells receive energy through aerobic respiration, a process that transforms digested food into energy molecules. To complete the process, oxygen is required so that carbon dioxide can be released.
Cancerous cells get energy from fermenting sugar, which causes tumor growth. This is called the Warburg effect.
For the study, they examined the correlation between “the strength of the Warburg effect and tumor aggressiveness” by observing the sugar fermentation of yeast, which is similar to that of cells. They both “share the unusual characteristic of favoring fermentation of sugar over respiration,” the study read.
The scientists not only confirmed that sugar causes tumors to grow, but that it also makes cells multiply faster. They believe the sugar produces more of the most common cancer-causing genes, also known as Ras proteins, fueling aggressive tumors.
“Our research reveals how the hyperactive sugar consumption of cancerous cells leads to a vicious cycle of continued stimulation of cancer development and growth. Thus, it is able to explain the correlation between the strength of the Warburg effect and tumor aggressiveness. This link between sugar and cancer has sweeping consequences,” co-author Johan Thevelein said in a statement.
Energy molecules?
They explained that healthy cells receive energy through aerobic respiration, a process that transforms digested food into energy molecules.
Sugar is metabolized in your body both as a carbohydrate and as a fat. Once in your digestive tract, sugar hydrolyzes into fructose and glucose. Glucose starts out as a carbohydrate, but is quickly stored as a fat. Fructose is metabolized through your liver, and mostly converted to a fat.
Once glucose is in your digestive tract, a small portion is stored as glycogen in your muscles and liver. This is what our body draws on for it's short term energy needs. The remainder of the glucose, upwards of 80%, goes to the blood stream to avail itself to any and all cells in your body. Every cell requires glucose to survive, which is why our blood sugar levels are so important.
originally posted by: Phage
a reply to: seasonal
Energy molecules?
They explained that healthy cells receive energy through aerobic respiration, a process that transforms digested food into energy molecules.
So, our blood stream carries fermenting sugars?
Is that a fact? I don't think so.
That's not what those who conducted this study say.
Not only does a high glucose level lead to the spread of cancer , may well be a leading cause .
He was, however, careful to note that this research, while important, is one step in a much larger process - and that a breakthrough in research is not the same thing as a medical breakthrough.
"The findings are not sufficient to identify the primary cause of the Warburg effect," he added. "Further research is needed to find out whether this primary cause is also conserved in yeast cells."
originally posted by: Phage
a reply to: Gothmog
That's not what those who conducted this study say.
Not only does a high glucose level lead to the spread of cancer , may well be a leading cause .
He was, however, careful to note that this research, while important, is one step in a much larger process - and that a breakthrough in research is not the same thing as a medical breakthrough.
"The findings are not sufficient to identify the primary cause of the Warburg effect," he added. "Further research is needed to find out whether this primary cause is also conserved in yeast cells."
www.sciencealert.com...
A high glucose level indicates metabolic problems more than anything.
We cannot live without sugar.