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Chapter 1 : Chromosome 1

Chapter 1 : Chromosome 1. DNA Sequence. Chromosome. 1228 bp. Name of Protein. 1. Name of Gene. myocilin. GLC1A. transcription. Amino acid sequence. mRNA. 490 aa. translation. Cytoplasm. A Cell. Nucleus. What does this protein make up or do?.

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Chapter 1 : Chromosome 1

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  1. Chapter 1: Chromosome 1 DNA Sequence Chromosome 1228 bp Name of Protein 1 Name of Gene myocilin GLC1A transcription Amino acid sequence mRNA 490 aa translation Cytoplasm A Cell Nucleus What does this protein make up or do? may cause increased pressure in the eye by obstructing the aqueous outflow Condition/Disease Glaucoma

  2. Description of Glaucoma • Symptoms and characteristics • Glaucoma is an eye disease in which the fluid pressure inside the eyes slowly rises, leading to loss of vision and/or blindness. • At first, there are no symptoms • If glaucoma remains untreated, people may miss objects to the side and out of the corner of their eye, progressing to tunnel vision and blindness. • Glaucoma is detected through a comprehensive eye exam. Normal Vision As viewed by a person with glaucoma Pictures used with permission from URL: http://www.nei.nih.gov/health/glaucoma/glaucoma_facts.asp

  3. Description of Glaucoma (cont.) • Who is affected? Anyone, but the following have a higher risk: • African Americans over the age of 40 • Everyone over the age of 60, especially Mexican Americans • People with a family history of glaucoma • Outlook or quality of life • With early treatment, eyes may be protected from serious vision loss • Without treatment, individuals develop tunnel vision (only straight-ahead vision) and, over time, no vision (blindness). • Treatments include medicine, laser procedure and/or surgery. • There is no cure for glaucoma; Vision that is lost cannot be restored. • Researcher: Jane Sample

  4. References • NCBI. Genes and Disease: Glaucoma [online]. 2003. [cited 2004 July 14]. Available at URL: http://www.ncbi.nlm.nih.gov/books/bv.fcgi?call=bv.View..ShowSection&rid=gnd.section.127. • NCBI. Entrez [online]. 2003. [cited 2004 July 14]. Available at URL: http://www.ncbi.nih.gov/Entrez/. • National Eye Institute. Glaucoma: What you should know [online]. 2004. [cited July 14]. Available at URL: http://www.nei.nih.gov/health/glaucoma/glaucoma_facts.asp.

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