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Cancer

Cancer is a class of diseases characterized by out-of-control and abnormal cell growth spreading to other locations in the body via lymph or blood resulting in the destruction of adjacent tissues. There are over 100 different types of cancer specific to the type of cells that are affected.

6,081 Questions

How is mutation related to cancer development?

Our bodies are constantly regenerating cells. I believe all cells are identical as they begin to grow and at some point in their growth cycle they take on an identity which is mapped out in the cells DNA, so cells all "look" alike and then become a lung cell, a liver cell, a skin cell,... so something triggers the cell to change and grow into a specific type of cell. Cancer results when that cell does not change into the needed cell and instead grows out of control. This can be caused by damage to the cells DNA. We know radiation can damage DNA. It is believed solar radiation from to much sun exposer can result in skin cancer. Most people to not realize radioactive material in tobacco is the cause of smokers getting lung cancer. radiation is only one know cause of cancer, I believe we do not know what causes most cells to become cancerous and not grow normally . Maybe a geneticists could expand on my answer

Who is the best oncologist in the world?

It is not possible to definitively determine who the best oncologist in the world is, as expertise and success in treating cancer can vary based on the type of cancer, patient needs, and location. Numerous oncologists around the world are highly skilled and respected in their field. It is important to research and find an oncologist that specializes in the specific type of cancer you are dealing with.

Where are cancer cells found in the body?

Cancer cells are found in the affected organ or tissue. There are several types of cancer depending on anatomical location within the body like skin cancer, blood cancer, lung cancer etc. Also it depends on how a particular type of cancer spreads like the Carcinomas spread through lymph so the cancer cells can be found at lymph nodes whereas, the sarcomas spread through blood. Another noteworthy thing is that in the later stages of cancer it can spread to a distant organ and start a secondary cancer in the new location.

What part of the cell cycle is decreased in cancer cells?

The G1 phase of the cell cycle is often decreased in cancer cells, leading to uncontrolled cell growth and proliferation. This can result in rapid tumor formation and progression.

What is an example of a carcinogen Asbestos Benzene Argon or Formaldehyde?

Asbestos and Benzene are examples of carcinogens known to cause cancer in humans. Argon and Formaldehyde are not classified as carcinogens.

What causes a person to have cancer?

In every cell, the following genes are available.

* The first gene is the cancer gene. If this gene, which is usually dormant, gets activated by being exposed to some radioactive material or by other means, it will cause the cell to multiply over and over again skipping the interphase. Because we have such a gene, we also have a backup. * A second gene is the self-destruct gene. When the entire cell is wrong (which can go from defective organelles to the cell itself) the cell tells all the lysosomes to burst and release their digestive enzymes all over the cell, causing the cell to be digested inside out. What happens with evident cancer is the defect with both genes. the cancer gene is turned on and the self-destruct gene is turned off, allowing that out-of-control cell to freely divide itself.

How is cancer related to cell divisions?

Cell division is related to the spread of cancer because cancer is uncontrolled cell division. So they are closely related.

Short Answer is: carcinoma is cell-division when the normal program of cell-division has 'been compromised', i. e. altered.

It is related because when the cell divides, sometimes it can cluster up... like a crowded room. then it starts to sort of push away the good cells so there is basically more room to breathe. eventually, this cluster of cells becomes one big ball and starts to spread to other parts of the body and develop more bad clustered cells again only in a different part of the body. This is how cancer forms and spreads to other organs in your body.

Is cancer a disease of the cell division or the circulatory system?

Cancer is a disease of cell division. It occurs when abnormal cells grow uncontrollably and invade surrounding tissues. The circulatory system can play a role in cancer by allowing cancer cells to spread to other parts of the body (metastasis) through the bloodstream.

What is the difference between invasion of cancer cells and metastasis of cancer cells?

Invasion of cancer cells refers to the ability of cancer cells to penetrate and spread into nearby tissues. Metastasis, on the other hand, involves the spread of cancer cells from the primary tumor to distant organs or tissues in the body through the bloodstream or lymphatic system. Metastasis is a more advanced stage of cancer progression and is often associated with a poorer prognosis.

What are cells that are not cancerous and have no affect on health called?

Non-cancerous cells that do not affect health are referred to as normal cells. These cells function properly within the body and perform their intended roles without causing harm or disrupting the normal functioning of tissues and organs.

What is P53 and what does it have to do with cancer?

The human gene known as p53 is a tumor suppressor gene and malfunctions of it have been implicated in many cancer types. Research is using it to study the biology of cancer, as well as to develop new drug targets to cure certain cancers.

In 1993, p53 protein was named Molecule of the Year by Science magazine. It is a protein that is very important for the regulation of cell cycles in humans and other multi-cellular organisms. p53 is also known as TP53 and several other names including tumor protein (EC :2.7.1.37), the "guardian of the genome", and the "Guardian Angel Gene" (because it works to prevent mutation or damage to the genome).

Most recent genetic research is also promising in the search for cancer causes and treatments. The research indicates there is a relationship between development of cancer and insufficiency of the p53 gene.

More than 50% of the tumors in humans show a mutation of or deletion of this gene. It is believed that various things can cause the mutations or damage/deletion of p53, such as DNA damage from chemicals, UV ray damage, and there are some known viruses that can inhibit the function of p53, such as Simian Virus 40 (SV40) and Human Papillomavirus (HPV), an STD.

These viruses and DNA damage can inactivate p53, rendering it ineffective for tumor suppression.

See more in related questions and links.

Is it true cancer does not develop in space?

There is no evidence to suggest that cancer cannot develop in space. Exposure to space radiation, lack of gravity, and other factors could potentially impact cancer development, but research on this topic is ongoing. Astronauts are monitored closely for cancer and other health issues after returning from space missions.

Can you explain the way an abnormal p53 causes normal cells to become cancer cells?

Abnormal p53 can lead to uncontrolled cell growth because it is unable to properly regulate the cell cycle or initiate cell death (apoptosis) in response to DNA damage or other cellular stressors. This can allow damaged cells to proliferate and accumulate mutations, ultimately leading to the development of cancer.

How long of cancer did it take to kill Marie curie?

Marie Curie died of aplastic anaemia, not cancer, likely caused by her long-term exposure to radiation during her research. She passed away in 1934, approximately 29 years after her discovery of radium.

What is the cytokine which is produced to stimulate macrophages and cause death of cancer cells?

Tumor necrosis factor (TNF) is a cytokine produced to stimulate macrophages and induce cell death in cancer cells. It plays a role in the immune response against cancer by promoting inflammation and cell death in tumor cells.

Do you have dormant cancer cells in your body?

One could argue that all body cells can potentially become cancerous and therefore they are all dormant cancer cells. But by that definition, a dormant cancer cell is just a normal, healthy cell.

How does radium cures cancer?

Radium does not cure cancer. However, it has been used in the past for cancer treatment because of its ability to destroy cancer cells. This treatment method is known as radiation therapy, where high-energy radiation is used to kill cancer cells and shrink tumors.

How can you make your body kill cancer cells?

One way to support your body in killing cancer cells is through immunotherapy, which helps the immune system identify and attack cancer cells. Additionally, maintaining a healthy lifestyle with a balanced diet, regular exercise, and stress management can help boost your immune system to fight cancer cells.Consult with a healthcare professional to explore specific treatment options based on your individual circumstances.

What is the study and treatment of cancer called?

The study of cancer is called oncology, while the treatment of cancer is called oncology.

How does bladder cancer begin?

Bladder cancer typically begins when cells in the bladder start to grow abnormally and form a tumor. This cancer can develop due to a combination of genetic factors, exposure to certain environmental toxins such as tobacco smoke, and chronic bladder irritation or inflammation. Early detection and treatment are essential for managing bladder cancer effectively.

How do viruses kill cancer cells?

Viruses can be engineered to specifically target and infect cancer cells, causing them to die. Some viruses can also stimulate the immune system to recognize and attack cancer cells. Additionally, certain viruses have the ability to directly interfere with the replication process of cancer cells, leading to their death.

What is non-cancerous growth of the prostate called?

A non-cancerous growth of the prostate is called benign prostatic hyperplasia (BPH). This condition leads to an enlargement of the prostate gland and can cause symptoms such as frequent urination, especially at night, and difficulty urinating. While BPH is non-cancerous, it can still cause issues and may require treatment.

In animal cells taxol an anti-cancer drug binds to microtubules and accelerates their assembly stopping mitosis so what in the cell cycle does taxol affect?

Taxol binds to ß-tubulin to promote microtubule assembly and it stabilises the microtubules and messes up the equilibrium between tubulin and microtubule. A cell with stable microtubules proceeds to programmed cell death without dividing.

Nathalie Narraidoo

University of Nottingham

What is the metastasis?

Disease

It refers to the spreading of a disease-causing agent from one major point of focus to either another specific area or a general dispersal. It usually is used to refer to the spreading of cancer from one area for another. For example, when Breast cancer spreads somewhere else.

How do cancer cell form tumor in other tissues?

Cancer cells can form tumors in other tissues through a process called metastasis, where they break away from the primary tumor, travel through the bloodstream or lymphatic system, and invade other organs or tissues in the body. They can then proliferate and grow in these new locations, forming secondary tumors.