B I O L O G Y 130 INTRODUCTORY CELL BIOLOGY LECTURE NOTES Department of Biology University of Waterloo Fall‚ 2012 BIOL 130 LECTURE NOTES Fall‚ 2012 a Lecture Notes This booklet contains the notes that will be presented as part of the online modules. For copyright reasons‚ the figures that will be shown along with the notes cannot be reproduced. However‚ most of these figures come from the required course text‚ Cell and Molecular Biology: Concepts and Experiments‚ 6th edition
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DNA Function and Aging Gavriel Boroosan Yeshiva Ohr Yisrael All living organisms consist of cells. Cells contain mainly internal structures and are highly complex. There are three main types of cells: archaea‚ prokaryotes‚ and eukaryotes. Prokaryotes are single celled‚ archaea are organisms often found in extreme environmental condition‚ and eukaryotes are multi-cellular organisms which include humans and animals ("Cells - Structure and Function‚" n.d.). While all types of cells contain deoxyribonucleic
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extract caused cell death mainly by apoptosis. The events of cytotoxicity and oxidative stress were found to be associated with up-regulation of pro-apoptotic gene expressions such as bax‚ Cyt-c‚ caspase-3 and 9‚ and down-regulation of anti-apoptotic marker bcl-2. In addition‚ there was a significant increase of sub- G1 phase arrest in the cell cycle after A. catechu treatment. A. Catechu exerted its cytotoxic and antiproliferative effects by triggering apoptosis and cell cycle arrest in HepG2
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CHAPTER 2: CELLS Learning about disease is often simplified by growing it in a dish – some cells like heart and nerve cells however do not grow easily outside the body. Cellular reprogramming takes cell back to a state similar to stem cells and then coaxes them to specialize in a different way. Example – LEOPARD syndrome MIM 151100. Acronym for symptoms: enlarged heart w/blocked valves to the lungs‚ freckles‚ abnormal genitals‚ deafness. Skin cells taken from patients were reprogrammed to give
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Describe the cell cycle. Include in your discussion the role cyclins and CDKs play in controlling this cycle. The cell cycle is a process that cells undergo to grow‚ reproduce‚ and divide to make 2 daughter cells. The cell cycle has different stages including G1‚ S‚ G2‚ and the M phase. Also we have the G0 phase. There are checkpoints that control the transitions between the phases of the cell cycle in which the process is regulated by cyclins and cyclin-dependent kinases (CDKs). G1 is known as
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226 World Review of Science‚ Technology and Sustainable Development‚ Vol. 4‚ Nos. 2/3‚ 2007 Nanotechnology in cancer prevention‚ detection and treatment: bright future lies ahead G. Ali Mansoori Departments of Bio and Chemical Engineering‚ University of Illinois at Chicago‚ 218 SEO‚ 851 S‚ Morgan St. (M/C 063)‚ Chicago‚ IL 60607-7052‚ USA E-mail: mansoori@uic.edu Pirooz Mohazzabi* Department of Physics‚ University of Wisconsin – Parkside‚ Kenosha‚ WI 53141‚ USA E-mail: pirooz.mohazzabi@uwp
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XI. PATHOPHYSIOLOGY Medical Diagnosis T/C Dengue Hemorrhagic Fever/ Pleural Effusion‚ T/C Liver Pathology Definition Dengue Hemorrhagic Fever - is a severe‚ potentially deadly infection spread by certain species of mosquitoes (Aedes aegypti). Pleural Effusion - is excess fluid that accumulates in the pleural cavity‚ the fluid-filled space that surrounds the lungs. Excessive amounts of such fluid can impair breathing by limiting the expansion of the lungs during inhalation. Liver
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According to Draper‚ the dosage times also depend on the stage of the condition with no fixed time for either. He claims that for acute conditions the dosage time can vary from 24-30 seconds per treatment head‚ for anything from muscle strains‚ tendinitis and ligament sprains. For chronic conditions the dosage times can vary from 35 to 45 seconds per treatment head for the same conditions. Regarding our patient who has been suffering from adhesive capsulitis for 10 weeks‚ falls into the chronic stage
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Direct NK Activating Receptor Various Killer Inhibitory Receptor (KIR) Various Indirect FcγR IgG (Fc)* * Leads to ADCC (antibody dependent cell mediated cytotoxicity) Armamentarium o Perforin – causes osmotic lysis o Granzymes - causes apoptosis IFNγ – released by NK Cells after activation NOTE: Items in RED were included in the Fall 2007 Midterm Accessory Cells (Mast Cells/Basophils) Receptors and Ligands Accessory Cell Receptor FcR IgE (Fc)* - then cross linking
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up to 24.205 micrograms of beta-carotene the powerful antioxidant that can help prevent cancer. In 2006‚ a research team from the Ben Gurion University in Israel found that citral‚ a key complex found in lemon grass‚ induced automatic cell death (apoptosis) in the cancerous cells while leaving the normal cells unharmed. As part of the research‚ the concentration of citral equivalent to the quantity in a cup of tea (one gram of lemon grass in hot water) was used. Effective Detoxifier: Lemongrass also
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