describe the benefits to using tissue cultures to study medications used for treating cancer cells.
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Biology 1b: Cell Cycle: Mitosis Flashcards
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Biology 1b: Cell Cycle: Mitosis
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What is the benefit to using tissue cultures with cancer patients?
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Medications can be tested on the cancer culture before being injected into the patient.
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Describe the benefits to using tissue cultures to study medications used for treating cancer cells.
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Medications can be tested on cell cultures instead of being injected into patients unnecessarily.
Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medications on the cancer cells.
Specific treatments that are shown to fight the growth of cancer cells in the culture can be used on patients.
Cultures are safer to use than injections of unneeded medications into patients.
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What is the benefit to using tissue cultures with cancer patients?
Medications can be tested on the cancer culture before being injected into the patient.
Describe the benefits to using tissue cultures to study medications used for treating cancer cells.
Medications can be tested on cell cultures instead of being injected into patients unnecessarily.
Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medications on the cancer cells.
Specific treatments that are shown to fight the growth of cancer cells in the culture can be used on patients.
Cultures are safer to use than injections of unneeded medications into patients.
What are the four phases of mitosis?
1. Prophase 2. Metaphase 3. Anaphase 4. Telophase Mitosis occurs in eukaryotic cells
During the final stage of the cell cycle, cytokinesis allows the cell to finish dividing, creating_____________ with _________________ copies of DNA.
two cells....identical
Metaphase
sister chromatids line up along the middle of the cell.
Telophase
the final phase of cell division, between anaphase and interphase, in which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.
Prophase
first and longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the nucleus
Anaphase
the third phase of mitosis, during which the chromosome pairs separate and move toward opposite poles
Why is mitosis important to organisms?
growth of the organism
repair of damaged or dead cells
reproduction of new cells
What would happen to an organism if mitosis did not occur?
The organism would not grow.
If an organism were cut or burned, the damaged area would not heal.
The organism would not produce new cells.
Explain the process of mitosis in a tissue culture for normal cells.
Before Mitosis begins the cell has already made a identical set of chromosomes. During prophase fibers condense util becoming an X shape. In metaphase the chromosomes become attached to the spindle fiber. Then in anaphase centimeters are split apart while sister chromatids are pulled to opposite poles. Telophase sister chromatid seprate and contain identical copies of DNA
Explain the process of mitosis in a tissue culture for cancer cells.
Cancer cells are taken from a living organism and grown in a culture.
Cancer cells grow at an uncontrolled rate.
Cancer cells do not stop growing when they are touching; they continue growing.
Cancer cells grow multiple layers thick.
Cancer cell growth differs from normal cell growth and the number of mitotic divisions are unlimited.
Describe the benefits to using tissue cultures to study medications used for treating cancer cells.
Medications can be tested on cell cultures instead of being injected into patients unnecessarily.
Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medications on the cancer cells.
Specific treatments that are shown to fight the growth of cancer cells in the culture can be used on patients.
Cultures are safer to use than injections of unneeded medications into patients.
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Describe Benefits Using Tissue Cultures Study Medications Used For Treating Cancer Cells
Describe the benefits to using tissue cultures to study medications used for treating cancer cells. Answers: Medications can be tested on cell cultures instead of being injected into patients unnecessarily. Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medications on the cancer cells. Specific treatments that are shown to […]
Describe Benefits Using Tissue Cultures Study Medications Used For Treating Cancer Cells
Describe the benefits to using tissue cultures to study medications used for treating cancer cells.Answers:
Medications can be tested on cell cultures instead of being injected into patients unnecessarily.
Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medications on the cancer cells.
Specific treatments that are shown to fight the growth of cancer cells in the culture can be used on patients.
Cultures are safer to use than injections of unneeded medications into patients.
Benefits Of Tissue Cultures To Study Medications For Treating Cancer Cells.
What are the benefits of tissue cultures to study medications for treating cancer cells?
Benefits of tissue cultures to study medications for treating cancer cells.
November 13, 2021 by Admin
In this article, we will describe the benefits to using tissue cultures to study medications used for treating cancer cells.
For the treatment of cancer, chemotherapy is very effective. It can be able to kill all fast-growing cells in the body. However, this treatments are often short-term with many side effects. Scientists are working together to combat these issues by developing medications that are targeted specifically to the cancer cell instead of killing everything around it as well.
The targeted medications are working well in treating cancer. However, these medications do not treat all the cell types of the body. For example, they would not help to eliminate hair cells or bone cells that grows quickly throughout time.
A big step forward in research has been made by using tissue cultures obtained from patient’s tumors to study drug responses and interactions.
Table of Contents
What is Cytotoxicity?
Cytotoxicity is the degree to which a chemical is toxic to cells. When testing cytotoxic drugs, it is important that identical cells are being applied in order to have an accurate representation of how the drug will affect an individual given its cytotoxicity.Tissue cultures are used when doing experiments on cytotoxic drugs because they are easy to control and very accurate representations of the body.
Benefits of using tissue cultures to study medications
Tissue cultures are isolated cells grown in an artificial environment. They can be differentiated cells, which have evolved to perform special functions, or undifferentiated cells that have not yet attained their final form. For example, embryonic stem cells are totipotent, meaning that they can become any type of cell in the body, whether it be bone, muscle, nerve, etc.
Tissue cultures are used to study cytotoxic drugs because when differentiating cells are exposed to cytotoxic drugs they can tell scientists how specific chemicals interact with differentiated cells and what kind of impact they have on them. If undifferentiated cells are exposed to cytotoxic drugs, it tells scientists what impact the drug has on the body as a whole.
Tissue cultures can also be used to test the effects of different drugs that may counteract cytotoxicity. For example, if a substance is found that blocks or inhibits cell death then we know that this chemical will be effective in preventing cell death. If the chemical is effective, it can be further tested to see if there are negative side effects that come along with prolonging cell survival.
By studying cytotoxicity through tissue cultures scientists have been able to block many types of cancer cells that would otherwise be incurable. Cytotoxic drugs can also induce cancer cell apoptosis, or programmed cell death, which can stop a tumor from dividing and multiplying. This is especially important when inhibiting the development of certain types of cancer, such as leukemia.
The custom-made nature of tissue cultures makes them a great model for testing cytotoxicity on humans. In theory if scientists test different cytotoxic drugs on tissue cultures they will be able to tell how the cells in the human body would react to each drug. The benefit of this is that scientists can use safer drugs when studying different types of cancer because it reduces the risk for side effects and complications.
If scientists are testing cytotoxic drugs, then they need an effective way to study cell death. Tissue cultures have been used as a model to study cell death because scientists can obtain an accurate representation of how the cells in the human body will be affected by cytotoxic drugs.
Tissue culture studies help find new therapies for cancer and other life-threatening diseases. By studying cytotoxicity through tissue cultures, scientists can learn what chemical interactions lead to cell death and thus develop new drugs that will inhibit these interactions.
Use of Tissue Cultures to study Cytotoxicity
The use of tissue cultures to study cytotoxicity has led to the development of many different therapeutic drugs used to treat cancer cells in humans. For example, L-asparaginase is an enzyme that breaks down asparagine amino acids which are required for the growth of cancer cells. Without these amino acids, tumor cells cannot divide and multiply so L-asparaginase is often used in the treatment of leukemia.
Similarly, Adriamycin, or doxorubicin, is a red-pink cytotoxic drug that interacts with cell membranes to induce apoptosis. It is currently used in the treatment of many types of cancer, including breast and testicular cancers because it targets cells actively dividing so it only affects cancer cells and not healthy cells.
Conclusion: Effects of Tissue Cultures
Tissue cultures are very useful when studying cytotoxicity because they can be used to determine the effect that various chemicals have on different cell types. The use of tissue cultures has led to the development of many cytotoxic drugs used to treat cancer in humans.
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