Why do different cells respond differently to radiation and chemotherapy?

Why do people react differently to chemotherapy?

Researchers believe that side effects and differences in results could be linked to how the body processes chemotherapy. In this study, they used blood samples to look at the characteristics of certain genes that tell the body how to process drugs.

Which cells are most affected by a treatment like chemotherapy or radiation?

The “normal” cells will grow back and be healthy but in the meantime, side effects occur. The “normal” cells most commonly affected by chemotherapy are the blood cells, the cells in the mouth, stomach and bowel, and the hair follicles; resulting in low blood counts, mouth sores, nausea, diarrhea, and/or hair loss.

What’s the worst chemotherapy drug?

Doxorubicin (Adriamycin) is one of the most powerful chemotherapy drugs ever invented. It can kill cancer cells at every point in their life cycle, and it’s used to treat a wide variety of cancers. Unfortunately, the drug can also damage heart cells, so a patient can’t take it indefinitely.

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Do you ever fully recover from chemotherapy?

Most people say it takes 6 to 12 months after they finish chemotherapy before they truly feel like themselves again. Read the resource Managing Cognitive Changes: Information for Cancer Survivors for more information about managing chemo brain.

What are the fastest growing cells in the body?

Hair follicles, skin, and the cells that line the gastrointestinal tract are some of the fastest growing cells in the human body, and therefore are most sensitive to the effects of chemotherapy.

How long for immune system to recover after radiation?

It might take from 10 days to many months for the immune system to recover completely. Surgery also breaks the skin and can damage mucous membranes and tissue under the skin, causing it to be exposed to germs. The wound caused by surgery (the incision) is a common place for infection.

What is the difference between cancer cells and normal cells?

Normal cells are either repaired or die (undergo apoptosis) when they are damaged or get old. Cancer cells are either not repaired or do not undergo apoptosis.

What color are cancer cells?

Cancer develops from our own cells, hence the first cancerous cells are also blue or green or yellow, maybe with a hue of red. Not enough red to trigger the immune response, however, so it can start growing. While growing it adds more diseased tones to the mix, a bit orange, a shade of brown, or maybe some more red.

How do cancer cells multiply?

Risk Factors for Cancer

Cells are the building blocks of your body. Normally cells grow, divide and die. Cancer begins when a normal cell mutates, or changes, and is not able to repair itself. The damaged cell then keeps multiplying and creates a tumor.

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How quickly do white blood cells regenerate after chemo?

Fortunately, the effect of these drugs on the white blood cell count is usually both predictable and short-lived. The white cell count generally falls below the normal range about seven to ten days after a chemotherapy treatment and recovers within about a week after that.

How many rounds of chemo is normal?

During a course of treatment, you usually have around 4 to 8 cycles of treatment. A cycle is the time between one round of treatment until the start of the next. After each round of treatment you have a break, to allow your body to recover.

How long does chemotherapy stay in your body?

Chemotherapy can be administered a number of ways but common ways include orally and intravenously. The chemotherapy itself stays in the body within 2 -3 days of treatment but there are short-term and long-term side effects that patients may experience.