Gene Therapy
The treatment of genetic diseases has appeared a daunting challenge because there seemed little to be done if the immutable basic blueprints of the body have a serious imperfection (Beutler Pp). Even fifty years ago it was possible to greatly improve the quality of life and to actually "save the lives of patients with some such genetic diseases" (Beutler Pp). Success approaches included dietary manipulation as in phenylketonuria or galactosemia, surgery to correct various deformities, and often avoidance of inciting factors in the environment, "as in acute intermittent porphyria" (Beutler Pp). However, until the latter part of the twentieth century, the possibility of actually changing the faulty genetic blueprints was beyond the imagination of the realistic medical scientist (Beutler Pp).

Today it is certain that success in gene therapy will require the application of various technique that are tailored to the disease that is being approached (Beutler Pp). The majority…...

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Work Cited

Beutler, Ernest. "Gene therapy of human disease. (Reviews in Molecular

Medicine)." Medicine. 1/1/2002; Pp.

When these cells behave in an abnormal manner, it can lead to acute myeloid leukemia. Various gene therapy-based tests have been conducted on the guinea pigs as model animals. The gene therapy-based experiments have shown that deafness can be cured with the help of gene therapy. One of the main reasons of the deafness is the destruction of hair cells in the cochlea. A gene that has been known to stimulate hair growth in the cochlea is Atoh1 and this gene has been tested by being delivered through adenovirus. When the gene was delivered with the adenovirus, the hair regrowth in the cochleae was triggered based on which more than 80% regrowth of the hearing was repaired. New experiments are being conducted on the delivery of genes that can repair errors in the messenger NA because of the presence of defective and nonfunctional genes. Using this technique, cystic fibrosis,…...

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References

Dobson, J. (2006). Gene therapy progress and prospects: magnetic nanoparticle-based gene delivery. Gene Therapy 13, 283 -- 28.

Li, S., and Huang, L. (2007). Nonviral gene therapy: promises and challenges. Gene Therapy 7, 31 -- 34.

Niidome, T., and Huang, L. (2002). Gene Therapy Progress and Prospects: Nonviralvectors. Gene Therapy 9, 1647 -- 1652.

Niidome, T., and Huang, L. (2002). Gene Therapy Progress and Prospects: Nonviral vectors. Gene Therapy 9, 1647 -- 165.

gene therapy. The writer looks at its history, its use and the possible problems it presents. There were four sources used to complete this paper.
Medical science has done amazing things in recent years. Through the use of research the average lifespan is longer than ever before, and the quality of life continues to rise. ecently it seems there is nothing medical science cannot make happen. Today the world stands at the edge of some of the most exciting technology than it ever dreamed possible. Gene therapy is a reality and the world currently debates whether or not it wants to take the leap. There are some who are excited and believe it will save lives and provide cures for things that used to mean long suffering death, while others fear it is going to open the world to clones and untested waters. The religious sectors believe gene therapy is…...

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REFERENCES

Author not available (2002). GENE THERAPY BENEFIT SAID TO OUTWEIGH RISK. United Press International.

Elias, Paul (2002).AUL ELIAS, AP Biotechnology Writer, Gene therapy making comeback after French success., AP Worldstream.

Han, Victor (1999). VICTOR HAN, FREELANCE WRITER, SHOULD WE WORRY ABOUT SCIENTISTS ALTERING HUMAN GENES?

O. The London Free Press, pp A9.

In the case of Jesse Gelsinger it was found out later that there were many rules and regulations that were in place not followed to the letter of the law like they should have been. When peoples lives are at stake it is imperative that not only are their strict rules and regulations set down but that there is a process in place to make sure that those involved are following them as they are intended.
When looking at the idea of Germ-Line gene therapy and its development one can see that there are good arguments both for and against it, but in the end progressing medical treatments has been a long standing tradition and should be continued. As mentioned earlier, progression in modern medicine has been the foundation of why the human population continues to exist today. There have been had diseases and illnesses in the history of mankind…...

Of this there are two types:
Splicsome mediated - the delivery of RNA (a Repair Method) a. Strand that pair specifically with the intron next to the mutated segment of mRNA and leaves the correct strand.

b. Simultaneous delivery of a correct version of the segment to replace the mutated piece in the final RNA product.

Translation of the repaired mRNA to produce the normal functional protein.

Triple Helix-Forming Oligonucleotide: Oligonucleotides that bind the double strand of the mutated gene's DNA and actually forms a triple strand that blocks the mutation.

Antisense Technology is used to turn off a mutated gene in a cell by targeting the mRNA transcripts copied from the gene according to Crabtree. Further discussed in the role of Ribozymes (RNA enzymes). It is possible to have delivery of RNA strand that has been engineered to function as ribozymes to the cell, the RNA is encoded by a mutated gene preventing…...

Gene Technology
Genetically Modified Crop Plants

The term genetically modified organisms, popularly referred to as GMOs, constitute crops, animals and even microorganisms that have undergone development my man and technology. Through the great leaps man has developed in technology, it is now possible to 'create' organisms and plants through the combination of genes considered superior, resistant and quick-maturing. Farming and animal rearing land brings a challenge in the current world, due to population explosions. This trend has been brought about by the necessity to feed the ever-increasing food demand by world populations.

The world today carries over six billion people, a number that increases every day. The natural means of plant reproduction cannot support to feed this population due to the long time taken to grow to maturity, poor yields and the limited space for planting. Therefore, genetic modification has gained an edge in the development of such crops as maize, soya beans,…...

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References

Conway, G. 2000. Genetically modified crops: risks and promise. Conservation Ecology 4(1): 2. [online] URL:  http://www.consecol.org/vol4/iss1/art2 

McMichael, D. Costanza, R., H. Daly, C. Folke, P. Hawken, C.S. Holling, A.J. Pimentel, and D. Rapport. (2000). Managing our environmental portfolio. Bioscience 50: 149-155.

Deborah B. Whitman (2000) Genetically Modified Foods: Harmful or Helpful? (Released April 2000)  http://www.csa.com/discoveryguides/gmfood/overview.php 

Ellstrand, N. 2000. The elephant that is biotechnology: Comments on "Genetically modified crops: risks and promise" by Gordon Conway. Conservation Ecology 4(1):8. [online] URL:  http://www.consecol.org/vol4/iss1/art8

Implications for ongoing research into genetic therapies and side effects/later developments are discussed at length.
Yannaki, E. & Stamatoyannopoulos, G. (2010). Hematopoietic stem cell mobilization strategies for gene therapy of beta thalassemia and sickle cell disease. Annals of the New York Academy of Sciences 1202: 59-63.

Though the clinical trial these two researchers are involved in does not yet have results that are ready for publication, the review of the risks they provide regarding the use of stem cell mobilization with G-CSF in patients with sickle cell is highly useful information. So, too, is the practice of pre-treating patients with hydroxyurea before administering the stem cell treatment, which the authors describe in detail and which forms the basis of the related clinical trial. Potential reduction of risks appears to be quite promising, though final results from the clinical trial and other supporting evidence will of course be required.

Ye, L., Chang, J.,…...

Genetically Modified Foods: ational for Topic Selection
Genetically modified foods are frequently in the mainstream media, making them a highly relevant topic of discussion in the areas of genetic science and gene technologies. As with most technologies and techniques related to genetic science, genetically modified foods are controversial and thus politically charged issues. It is important to be armed with facts before forming an opinion about whether or not genetically modified foods are acceptable, feasible, or ethical.

Biological Basis

Genetically modified foods refers to organic foodstuffs -- plants and animals -- "whose genetic material (DNA) has been modified in a way that does not occur naturally," (World Health Organization, 2013). However, genetically modified organisms (GMOs) can also include medicines and vaccines (United States Department of Energy: Office of Science, 2013). The primary process used to modify the genes of organisms is called recombitant DNA technology; as the term suggests, recombitant DNA technology involves…...

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References

Damery, P., D'Adamo, N., Graham, M., Hoffman, M. & Riedl, J. (n.d.). The debate on labeling genetically modified food. Retrieved online: http://www.public.iastate.edu/~ethics/LabelGMFood.pdf

"Genetically modified crops gaining ground in China: Report," (2013). The Times of India. 7 March, 2013. Retrieved online:  http://timesofindia.indiatimes.com/home/environment/developmental-issues/Genetically-modified-crops-gaining-ground-in-China-Report/articleshow/18847379.cms 

Hiatt, S. & Park, S. (2012). Influence and regulatory approval of genetically modified organisms. Academy of Management Journal. Nov 26, 2012.

United States Department of Energy: Office of Science (2013). Human genome project. Retrieved online:  http://www.ornl.gov/sci/techresources/Human_Genome/elsi/gmfood.shtml

Expanding Traditional Definition of a Gene
Expands Traditional Definition A Gene

Expanding the traditional definition of a gene through epigenetics:

Changes to the human gene through exposure to external forces in the environment

Increasingly, the field of epigenetics is challenging traditional conceptions of what constitutes the human gene. While it has long been acknowledged that parents can pass their DNA onto their offspring, epigenetics acknowledges the potential for changes in human DNA which subsequently causes a change in the genetic composition of the child. Epigenetics acknowledges "the external environment's effects upon genes can influence disease, and some of these effects can be inherited in humans" (Simmons 2008). While it is difficult to design a study to test environmental factors, historical and experimental research does support this hypothesis. "For example, Swedish scientists recently conducted investigations examining whether nutrition affected the death rate associated with cardiovascular disease and diabetes and whether these effects were passed from…...

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References

Egger, G. (et al. 2004) Epigenetics in human disease and prospects for epigenetic therapy. Nature 429, 457 -- 463. Retrieved from:  http://www.nature.com/scitable/content/Epigenetics-in-human-disease-and-prospects-for-13630 

Roseboom, T. (et al. 2001). Effects of prenatal exposure to the Dutch famine on adult disease in later life: an overview. Molecular and Cellular Endocrinology 185 (2001) 93 -- 98.

Retrieved from:  http://www.nature.com/scitable/topicpage/epigenetic-influences-and-disease-895 

Herrera, B. (et al. 2011). Genetics and epigenetics of obesity. Maturitas, 69(1): 41 -- 49.

Q1. Discuss the physicians changing perceptions of the nature of cholera, its treatment, and therapy in 1832, 1849, and 1866. How did these factors change? Why? Today, the general public and physicians alike are well aware of the need for proper sanitation in the public water system. But during the 19th century, knowledge about the spread of germs and disease was less widespread, and cholera, although widely accepted as a serious threat to public health, was still controversial in its ascribed origin. The hero of cholera research is John Snow, who, through the use of city mapping was able to trace an 1854 London epidemic to a single water pump and even was able to identify the microbe that had caused it, using an ordinary microscope. Such particles were not found in other pumps far away from the disease outbreak. Before Snow, such as during the 1832 epidemic, many physicians ascribed…...

Depression is a state of sadness and gloom where one feels dull and overwhelmed by the challenges of life. People tend to say that they are "depressed' any time they feel very unhappy. More likely than not, it could just be a mere response to fatigue, sad thoughts or events. This improper use of this term causes confusion between an ordinary mood swing and a medical condition. While it is normal for all human beings to experience dejection every now and then, a few people may experience unipolar depression. Ordinary dejection is rarely serious enough to significantly affect a person's day to day activities and does not persist for long. Mood downcasts can even have some benefits. Time spent contemplating can help an individual explore their inner self, values and way of life. They often come out of it feeling stronger, resolved and with a greater sense of clarity.
Unlike…...

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References

Comer, R. (2013). Abnormal Psychology (8th ed.). New York: Worth Publishers.

Bolton, P., Bass, J., Neugebauer, R., Verdeli, H., Clougherty, K. F., Wickramaratne, P.,. ..& Weissman, M. (2003). Group interpersonal psychotherapy for depression in rural Uganda: a randomized controlled trial. Jama, 289(23), 3117-3124. Retrieved from  https://www.ncbi.nlm.nih.gov/pubmed/12813117 

Dombrovski, A. Y., Lenze, E. J., Dew, M. A., Mulsant, B. H., Pollock, B. G., Houck, P. R., & Reynolds, C. F. (2007). Maintenance Treatment for Old-Age Depression Preserves Health-Related Quality of Life: A Randomized, Controlled Trial of Paroxetine and Interpersonal Psychotherapy. Journal of the American Geriatrics Society, 55(9), 1325-1332. Retrieved from  https://www.ncbi.nlm.nih.gov/pubmed/17767673 

Elder, B. L., &Mosack, V. (2011). Genetics of depression: an overview of the current science. Issues in mental health nursing, 32(4), 192-202. Retrieved from  https://www.ncbi.nlm.nih.gov/pubmed/21355753

, 2006). He visualized and described the malignancy process. He suggested that early that "cells of tumors with unlimited growth" would develop with the elimination of chromosomes, which inhibit the growth. The multiple genetic alterations in these inhibiting chromosomes are today known as TSGs. The theory supposes that cancer arises from functional defect or absence of one or more TSGs. Clinical trials of TSG gene replacement therapy for breast cancer include the viral wild-type p53, Rb, and mda7. Molecular chemotherapy involves the introduction of suicide genes. The concept evolved from the assumption that cancer cells could be made more sensitive to chemotherapeutics or toxins by introducing "suicide genes." It was a concept initiated in the late 80s. Suicide gene therapy is categorized into toxin gene therapy and enzyme-activating pro-drug therapy. Suicide gene therapy is also called gene-directed enzyme pro-drug therapy or GDEPT. GDEPT treatment consists of the delivery of the…...

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BIBLIOGRAPHY

Abaan, O. D and Criss, Wayne E (2002). Gene therapy in human breast cancer. 32

(2002): 283-291 Turkey Journal of Medical Science: Tubitak. Retrieved on April 15,

2010 from  http://journals.tubitak.gov.tr/medical/issues/sag-02-32-4-1-0204.pdf 

Lowery, A.J., et al. (2009). MicroRNA signatures predict oestrogen receptor,

Krabbe Disease
Genetic Components of the Disease

Metabolic Components of the Disease

Causes of the disease

Symptoms of the disease

Diagnosis of the disease

Treatment of the disease

Cord lood Transfusion

Treatment for Late on-set Form

Gene Therapy

Incidence and Longevity of the disease

Socioeconomic Factors

Krabbe disease, also referred as globoid cell leukodystrophy (GLD), causes a deficiency in galactocerebrosidase (GALC), the enzyme responsible for preventing a build-up of galactolipids in the brain. Without the regulation of galactolipids, the growth of the myelin sheath around the nerve cells is severely impaired. Krabbe disease usually presents in first 6 months of the life. A child in the last stages of Krabbe disease is immobilized and has decreased level of responsiveness. Most of them die at the age of 2. (Lantos, 2011)

Genetic Components of the Disease

GLD is one of the subgroup of metabolic disorders called leukodystrophies. The leukodystrophies are caused by a variety of gene mutations. Gene carries an inherited code of instructions that…...

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Bibliography

(2011). The Case of Krabbe Disease. In J. Lantos, Dangerous and Expensive Screening and Treatment for Rare Childhood Diseases. Kansas City, Missouri.

Mayo Clinic Staff. (2011, June). Mayo Clinic. Retrieved March 2013, from Krabbe Disease:  http://www.mayoclinic.com/health/krabbe-disease/DS00937/DSECTION=risk-factors 

Orchard, P. (2013). National Marrow Donor Program. Krabbe Disease.

Rosenberg, R.N. (2008). The Molecular and Genetic Basis of Neurologic and Psychiatric Disease. Lippincott Williams & Wilkins.

Genomes and Comparative Genomics
Over the last decade we have achieved rapid strides in the field of genetic engineering. The study of molecular biology has been fairly advanced mainly aided by the unprecedented growth in information technology. Today bio-informatics has opened new vitas for us and we are already progressing in investigating and in the comparative study of genomes. This has shed new light up on our knowledge of the evolutionary process and the important concepts such as protein folding and selective expression, which have so far eluded our understanding, are beginning to unfold. Let us have a brief overlook of the subject.

The Role of DNA

One of the greatest achievements of the twentieth century has been the unraveling of the mysteries behind the DNA and the mechanism of protein synthesis. Genes are the fundamental units of biological inheritance and are made up of Deoxyribonucleic acid (DNA). Genes are responsible for the…...

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Bibliography

Mullis, KB (1990), Scientific American, April 1990, 56

Hecht, J., 19 May 2003, Chimps are human, gene study implies, New Scientist

Cohlan, A., 30 May 2002, "Just 2,5% of DNA turns mice into men," New Scientist

TK Attwood & DJ Parry Smith, "Introduction to bio Informatics," Published by ADDison Wesley Longman Ltd., 1999

During the gene decoding process the double stranded DNA splits up to reveal a single strand from which the base sequence of the gene is copied onto a single stranded nucleic acid known as the messenger ribonucleic acid or mRNA. This implies that we have an exact copy of the gene base in the mRNA except that Urasil (U) replaces the T. base and deoxyribose is replaced by ribose. Translation on the other hand is the actual process of protein synthesis from the mRNA strands. Ribosomes work with the mRNA for protein synthesis within the cells. [the State University of New York]
4) Mutation, Gene Migration, Genetic Drift, Non-random Mating and Natural Selection are the five processes that can affect the frequency of genes in a population. [CMGS]

5) Kindom Protista is considered to be the ancestor of all eukaryotic kingdoms and includes algae, plant like, animal like and fungus like…...

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Bibliography

Cherie Dimaline, "Inheriting Sickness When Finding Your Roots is a Matter of Life or Death" Accessed on 15th December 2004, http://www.metisnation.org/metisVOYAGEUR/MVcurrent/disease.html

Dr. Joseph F. Smith, "Genetic Counseling," Accessed on 15th December 2004,  http://www.chclibrary.org/micromed/00049280.html 

IBAC, "The Basics of Life," Accessed on 15th December 2004, http://www.ibac.org.nz/booklet/basics.html

CMGS, "Disturbance of Gene Frequencies in a Population," Accessed on 15th December 2004  http://www.ich.ucl.ac.uk/cmgs/genefreq.htm

Certainly! Here are some science essay topic suggestions:

1. The impact of climate change on the environment.
2. The role of renewable energy sources in reducing carbon emissions.
3. Exploring the potential health benefits of genetic engineering.
4. The effects of plastic pollution on marine life and ecosystems.
5. The future of space exploration and its potential for human colonization.
6. The ethical considerations of using animal testing in medical research.
7. The development and implications of artificial intelligence in various fields.
8. The challenges and benefits of using nanotechnology in medicine.
9. Exploring the effects of deforestation on biodiversity and climate change.
10. The impact of technology on human....

1. Bronchiectasis: A Comprehensive Review of Pathophysiology, Diagnosis, and Management

Introduction: Define bronchiectasis and highlight its prevalence, etiology, and risk factors.
Pathophysiology: Discuss the mechanisms leading to bronchiectasis, including impaired mucociliary clearance and chronic inflammation.
Clinical Manifestations and Diagnosis: Describe the typical symptoms, physical exam findings, and diagnostic tests used to identify bronchiectasis.
Management: Review the current treatment options for bronchiectasis, including antibiotics, airway clearance techniques, bronchodilators, and surgical intervention.
Prognosis and Complications: Discuss the long-term outcomes and potential complications associated with bronchiectasis, such as respiratory failure and hemoptysis.

2. Role of Imaging in Bronchiectasis: CT, MRI, and Beyond

Introduction: Highlight....

1. The life-saving potential of bone marrow transplants
2. The ethical considerations of bone marrow donation
3. The impact of bone marrow diseases on patients and their families
4. The scientific advancements in bone marrow research
5. The role of bone marrow in maintaining a healthy immune system
6. The process of matching bone marrow donors and recipients
7. The emotional and psychological implications of undergoing a bone marrow transplant
8. The challenges and barriers to increasing diversity in bone marrow donor registries
9. The future advancements in bone marrow therapies and treatments
10. The societal importance of increasing awareness about bone marrow donation and transplants.
11. The financial implications....

Title: Unveiling the Secrets of Bone Marrow: A Journey Through Its Biology, Therapeutic Applications, and Ethical Considerations

Introduction:
Bone marrow, the soft tissue occupying the cavities of bones, harbors an intricate world of cells and processes that play pivotal roles in life. This essay delves into the fascinating aspects of bone marrow, exploring its biology, therapeutic applications, and ethical considerations surrounding its use.

1. Biology of Bone Marrow:
a) Hematopoiesis: Unraveling the intricate process by which bone marrow produces various types of blood cells, including red blood cells, white blood cells, and platelets.
b) Microenvironment: Delving into the niche of specialized cells and....