Sunday, December 04, 2022

All the secrets contained in blood: “its potential as a ‘snatch’ of diseases is immeasurable”

All the secrets contained in blood: "its potential as a 'snatch' of diseases is immeasurable"

a drop of blood.

  • Plasma circulates in all the organs and tissues of the body and can tell what is happening in the body

  • The most common analyzes performed are biochemical

  • Recently, genetic analyzes are also being conducted on the DNA of blood cells.

It has recently been announced that 50 different types of cancer can be detected at a very early stage, through a specific blood test, another type of test may show the possibility of Alzheimer’s, and a study Just published which ensures that it can be identified by analyzing the blood of a pregnant woman from the 10th week of pregnancy About one hundred percent potential for genetic problems without the need for amniocentesis.

bearing this in mind circulates through all organs and tissues of the body blood capacity sneak Disease management is proving to be very useful and that is why there are so many scientific studies today that are focused on finding out what else it can reveal.

“The truth is that The possibilities are endless and the possibilities are endless. Blood is a red colored fluid, as our ancestors used to say, something magical To the extent that we die if we lose it”, comments Cristina Urbana, director of the Valencia Transfusion Center and member of the Spanish Society of Hematology and Hemotherapy.

composed by water, protein, nutrients and living cells (red blood cells, white blood cells, and platelets) The status of these cells, their chemical substances, proteins, and other components are usually analyzed in clinical laboratories, taking into account the specifics of each of these types. Cells have a special function as is known.

  • loss red blood cells They are needed to carry oxygen throughout your body.
  • las platelets Help stop bleeding.
  • loss white blood cells They fight infection.

But it is being shown that the information and capacity of blood goes even further.Feather,The most common analyzes show Changes in molecules that warn of tumor diseases, glucose levels, information from the thyroid, kidney, liver. But it depends on what you want to know, whether you’re looking for a certain analysis or another,” explains the doctor.

what can blood tell us

Blood knows everything, or almost everything. And really you just have to know where to look.

The most common analyzes that are performed are biochemical analysis of plasma (analysis of DNA which is plasma) via proteins that, when picked up in the blood, give clues as to whether limb is affected Something is hurt and that’s why the marker rises. “What does blood do is the diagnosis But based on biochemical studies (They do the classic analysis that primary care doctors ask to learn the functioning of organs through proteins). growing in blood give clues that the organ may be suffering Something is hurt and that’s why the marker rises. Suppose the bilirubin increases more than necessary, because This is indicating that you may have a blockage in the gallbladdera”, explains Dr. Hada Matcher, a medical specialist in clinical biochemistry and responsible for molecular diagnostics at the Virgen del Rocio Hospital in Seville.


everything revolves in plasma even bacteria Therefore, we have a lot of data when analyzing their DNA. This is why andFirst glimpse of what happens to us.

“plasma” goes through the whole body `So if it’s evolving a melanoma on the leg, the mutated gene will be circulating in your body and when you do a blood testAnd you can have those genes”

But what has been new in recent years is that in addition to biochemical analysis in plasma, Genetic analysis of DNA in blood cells. “With a blood sample, the DNA of the leukocytes is analyzed to look for, for example, hereditary cancer (which accounts for 5% of cancers that occur). The resulting analysis tells you whether you have a cancer susceptibility gene, It’s not like you’re going to catch it, but it warns you that You have foresight, you can take measures to avoid it”. Dr. Matcher explains.

major DNA sequencing

In addition to what biochemical analyzes can tell us, we are now also working with new technologies that allow us to analyze the human genome. It is made up of about 20,000 genes and, although its understanding is currently unfathomable, is very advanced. The order of exit of the individual himself is, Genetic information is found in regions called exons. The set of exons of our genome is known as exome and is Another big stumbling block to our health,

“Now many laboratories are working with full exomes, which means that when analyzingor you have all the genetic analysis of the genes, Or 23,000 of those that make up the exome. and he can tell us many things, it would be like without streaming The genetics of the individual,” explains Dr. Matcher.

Genetic analysis of all proteins

So the question is, what can you see when you do a genetic analysis of all the proteins made by the human body? Well, many distortions.

“There are some genes thatand it is already known that they are linked to a diseaseThere are genes that indicate that you are sensitive to something, and there are genes that are not known. Will they affect in future or not, But it can be kept in the patient’s clinic for future reference,” explains Matcher.

A wealth of information that can complete the diagnosis shown by the biochemical analysis of plasma so that we do not miss anything.

“We will see many more in the future because We still don’t know, we haven’t even reached everything that blood can tell us.” Dr. Urbana’s Closing

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