Any key advances/ problems are associated with treatment, if any of Breast Cancer (BRCA 1 gene)...
Any key advances/ problems are associated with treatment, if any of Breast Cancer (BRCA 1 gene) and Sickle Cell Anemia (Hemoglobin protein)?
Homework Answers
Recent advances in research shows that endocrine therapy worked
with great effects in treatment of patients with breast cancer and
the drugs available for treatment in current times are
tamoxifen,luteinizing hormone-releasing hormone analogs,aromatase
inhibitors.
CDK4/6 inhibitors have also emerged as therapies for the
treatment.Inhibitors of PARP,PI3K/AKT/mTOR have also gained
importance recently as novel drugs for treatment of breast
cancer.
However, the side effects of such treatments to the health of the
patient still remains a question.
Treatment of sickle cell anemia includes administration of
hydroxyurea which increases Hemoglobin F production.But this drug
has been reported to be ineffective in nonresponders. Another drug
used for treatment is butyric acid .
Recent studies are mainly targeted towards development of
preventive therapies such as prevention of
polymerization,prevention of oxidative stress,prevention of
adhesion.
Another approach towards treatment is transplantation of stem cells
but the benefits remain controversial.
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Any key advances/ problems are associated with treatment, if any
of Breast Cancer (BRCA 1 gene)...
BRCA1 and BRCA2 are tumor suppressor genes that have been associated with breast cancer development due...
BRCA1 and BRCA2 are tumor suppressor genes that have been associated with breast cancer development due to mutations of these genes being linked to a subset of breast cancers. If an individual carries one nonfunctional copy of the BRCA gene, will all of their cells be affected? Explain.
In the general population, one woman in eight will develop breast cancer. Research has shown that...
In the general population, one woman in eight will develop breast cancer. Research has shown that 1 woman in 600 carries a mutation of the BRCA gene. Seven out of 10 women with this mutation develop breast cancer. Find the probability that a randomly selected woman will develop breast cancer given that she has a mutation of the BRCA gene. (Round to one decimal place as needed.)
44. The triple negative breast cancer sub-type is associated with a. fewer treatment options b. dense...
44. The triple negative breast cancer sub-type is associated with a. fewer treatment options b. dense breasts c. less aggressive growth rates d. DCIS
Case 8 Hemoglobin, the Oxygen Carrier Focus concept A mutation in the gene for hemoglobin results...
Case 8 Hemoglobin, the Oxygen Carrier Focus concept A mutation in the gene for hemoglobin results in an altered protein responsible for the disease sickle cell anemia. An understanding of the biochemistry of the disease may suggest possible treatments Prerequisite Hemoglobin structure and function concepts Background Normal adult hemoglobin is called Hemoglobin A (Hb A). Ninety-eight percent ofaduk hemoglobin is Hb A and 2% is Hb A. There are other forms of hemoglobin. For example, the deve loping fetus has...
1. Explain how some patients who are homozygous for the sickle-cell allele do not develop sickle-cell...
1. Explain how some patients who are homozygous for the sickle-cell allele do not develop sickle-cell crisis or other symptoms of the disease. Because of a mutation to a regulatory gene, a variant form of the beta subunit is expressed that does not cause sickling of hemoglobin protein. Because of a defective regulatory gene, fetal hemoglobin is expressed in adulthood which compensates for defective adult hemoglobin. Because of an additional mutation to the gene for the beta subunit of hemoglobin,...
You are an oncologist (cancer doctor) who specializes in pioneering new advances in cancer therapies. You...
You are an oncologist (cancer doctor) who specializes in pioneering new advances in cancer therapies. You have been given an exciting new gene therapy treatment that aims at increasing the levels of the p53 protein in tumor cells that have lost all functional p53. You have a cancer patient who is going to be one of the first people ever to receive this treatment since their tumor cells have mutated versions of p53. But they have many questions about the...
1.Hemoglobin is a complex protein that contains four polypeptide chains. The normal hemoglobin found in adults...
1.Hemoglobin is a complex protein that contains four polypeptide chains. The normal hemoglobin found in adults –called adult hemoglobin –consists of two alpha and two beta polypeptide chains, which are encoded by different loci. Sickle-cell hemoglobin, which causes sickle-cell anemia, arises from a mutation in the beta chain of adult hemoglobin. Adult hemoglobin and sickle-cell hemoglobindiffer in a single amino acid: the sixth amino acid from one end in adult hemoglobin is glutamic acid, whereas sickle-cell hemoglobin has valine at...
Mutations in the Rb gene are often associated with cancer. Draw or describe the mechanism/pathway by...
Mutations in the Rb gene are often associated with cancer. Draw or describe the mechanism/pathway by which a nonfunctional Rb protein can lead to cancer.
(F.1) Find the most recurrently mutated genes in breast cancer (using this dataset Breast Cancer (MSK,...
(F.1) Find the most recurrently mutated genes in breast cancer (using this dataset Breast Cancer (MSK, Cancer Cell 2018) in cBioportal )? (F.2) Anything different about the different subtypes (using Overall Patient Receptor Status to group patients)?
Problem 1. The HIP trial. If breast cancer is detected early enough, chances of successful treatment...
Problem 1. The HIP trial. If breast cancer is detected early enough, chances of successful treatment are better. Do screening programs speed up detection enough to matter? This was the question asked by the first large-scale trial run by the Health Insurance Plan (HIP) of Greater New York, starting in 1963. The subjects were 62,000 women aged 40 to 64. Half were randomly assigned to a screening group (which included regular exams and X-rays) and the other half were randomly...
Case 8 Hemoglobin, the Oxygen Carrier Focus concept A mutation in the gene for hemoglobin results in an altered protein responsible for the disease sickle cell anemia. An understanding of the biochemistry of the disease may suggest possible treatments Prerequisite Hemoglobin structure and function concepts Background Normal adult hemoglobin is called Hemoglobin A (Hb A). Ninety-eight percent ofaduk hemoglobin is Hb A and 2% is Hb A. There are other forms of hemoglobin. For example, the deve loping fetus has...
Problem 1. The HIP trial. If breast cancer is detected early enough, chances of successful treatment are better. Do screening programs speed up detection enough to matter? This was the question asked by the first large-scale trial run by the Health Insurance Plan (HIP) of Greater New York, starting in 1963. The subjects were 62,000 women aged 40 to 64. Half were randomly assigned to a screening group (which included regular exams and X-rays) and the other half were randomly...
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