FazTimes Media – Scientists in China have made a significant advancement that could transform the detection of cancer. The scientists have developed a quick DNA blood test that can detect pancreatic cancer rapidly. People say that pancreatic cancer is difficult to find early because the signs don't show up until the cancer has spread a lot. It's also very difficult to treat. It's often called the "king of cancers" because it's difficult to find early, it grows quickly, and there aren't many ways to treat it.

BBC News says that a full DNA test can be done in less than a day with this new technology. It is called "UNIC.".

Specifically, this technology works as effectively as older, more invasive methods such as biopsies. Doctors believe this could help identify the disease earlier, keep a better track of it, and make care plans that are more specific to each person.

The Global Cancer Observatory says that pancreatic cancer is one of the main reasons people die from cancer around the world. Most people don't know they have cancer until it's advanced and may have spread. The chances of survival are very low, and there aren't many treatment options.

The primary challenge in early detection is the lack of effective tests that do not cause harm to the patient. When cancer is found, it's often too late for surgery, and medicines don't work very well.

A group led by Professor Lin Da from the Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences (CAS), and Dr Yang Yuqin from the Laboratory Animal Centre at Shanghai General Hospital made the new test, called Uni-C. Their study, which came out on July 26 in Nature Communications, talks about how Uni-C uses cutting-edge methods to look at three different parts of the DNA from cancer cells in a blood sample:

The makeup of DNA has changed a lot.

Small changes in genes
How the DNA is folded inside the cell

Doctors can get a better picture of the cancer's genetic makeup by looking at all three. This helps them diagnose the disease and plan better, more focused treatments.

What CTCs Do to Help Find Cancer

Cancer cells, or CTCs, are very small and move in the blood after breaking off from a tumour. Their DNA is from the original tumour, but they're difficult to find in the blood.

Because there were so few CTCs, older methods had trouble getting correct data from them. Usually, these methods miss some genetic information or get it wrong.

Beyond Detection: Towards Customised Vaccines Against Cancer

I think the coolest thing about Uni-C is that it can be used to make unique treatments. Scientists made 10 personalised antigens with genetic information from UniC. These are substances that make the immune system fight cancer.

Tests on animals indicated that five of these proteins helped immune cells fight cancer. The tumours shrank almost in half when these antigens were mixed with chloroquine, which is a popular drug. This finding suggests that it might be possible to make cancer vaccines that are unique to each patient by studying the genetics of their tumours.

How to Understand Cancer's "Arsenal"

The Uni-C study also discovered important information about ecDNA, which are small loops of DNA that exist outside of chromosomes and carry genes responsible for causing cancer. Because ecDNAs allow the tumour to change quickly, they help cancer grow faster and become less sensitive to medicines.

Uni-C was able to rebuild ecDNA's shape and show how it works with chromosomes to make damaging genes work more. This could help uncover new ways to fight cancers that are difficult to treat with regular drugs.

A closer look at how tumour cells work

Uni-C can figure out what state of the cell cycle each circulating tumour cell is in. To achieve this, scientists look at chromatin, which is how DNA is packed inside cells. Chromatin is tightly packed in cells that are growing, making a pattern that looks a lot like origami.

Professor Lin's team is working on improving things, such as:

Making Uni-C look at both RNA and DNA to get a better picture of what's going on inside the cell
Using the method for cancers other than pancreatic
Moving through more cells at once to speed up the process
Making the technology more useful in a wider range of situations

Bringing together lab research and treatment in the real world

The experts say that UniC can be used to find out when cells are dividing, identify important genes, guess what new proteins the immune system might recognise, and make early decisions about treatment. Uni-C ties together basic science and real-world healthcare by turning complicated genetic studies into tools that doctors can use.

These kinds of advances could change how cancer is handled, especially in places like India, where it's common for people to not get diagnosed until it's too late.

Possible Effects on India

China came up with Uni-C, but it could make a big difference in India. People in this country often find out they have pancreatic cancer too late to get excellent care. A quick, non-invasive, and accurate blood test could potentially improve survival rates, replacing costly and risky biopsies.

A Look Ahead

Cancer is still one of the hardest things for doctors to treat. But new ideas like Uni-C show that science is moving towards solutions that are smarter, faster, and better tailored to each person.

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