ENDOCRINE DISRUPTING CHEMICALS: EFFECTS AND MECHANISM OF ACTION IN VTG GENE EXPRESSION IN THE TROPICAL LIZARD Anolis pul

Feb 22, 2013

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ENDOCRINE DISRUPTING CHEMICALS: EFFECTS AND MECHANISM OF ACTION IN VTG GENE EXPRESSION IN THE TROPICAL LIZARD Anolis pul

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Gene expression

Gene expression. Statistics 246, Week 3, 2002. Thesis: the analysis of gene expression data is going to be big in 21st century statistics. Many different technologies, including High-density nylon membrane arrays Serial analysis of gene expression (SAGE)

928 views • 63 slides

Manipulation of gene Expression in Bacteria

Manipulation of gene Expression in Bacteria. EXPRESSION EXPRESSION EXPRESSION. Biotechnology. The primary objective of gene cloning or genetic engineering is to express the cloned gene in a selected host organism. Host System. Bacteria Yeast Insect Mammalian cells.

2.06k views • 65 slides

Endocrine Disrupting Compounds

Endocrine Disrupting Compounds. Any exogenous agent that causes adverse health effects in an intact organism, or its progeny, consequent to changes in endocrine function. Specifically….

800 views • 54 slides

Epigenetics

Memory, Learning and BDNF gene expression. Epigenetics. Epigenetics Overview:. I. Mechanism for stable maintenance of gene expression that involves physically 'marking' DNA or its associated proteins. A. Addresses issues of where, when & how gene is expressed

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Artifacts and Effects in Gene Expression Data

Artifacts and Effects in Gene Expression Data. Carlo Colantuoni. April 12, 2006. Experimental Artifacts. NIA cDNA microarray Core Facility. Nylon. P 33. 9600 MGC elements. ~200 microarrays ~100 samples. Uncorrected Intensities: MDS Colored by Batch. Much Like Red : Green Analysis.

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Tropical surge 29 Nov – 2 Dec 2014 and Landfall C onditions at 800 AM PT on 2 Dec

Tropical surge 29 Nov – 2 Dec 2014 and Landfall C onditions at 800 AM PT on 2 Dec. Marty Ralph Center for Western Weather and Water Extremes (CW3E) at UC San Diego’s Scripps Institution of Oceanography. SSM/I images from NOAA/PSD - Wick.

372 views • 17 slides

Environmental Factors and Gene Expression

Environmental Factors and Gene Expression. Environmental factors can influence the expression of certain traits Expression refers to what we can see (what gene products are made ) Environmental factors include: Diet Climate (or temperature) Chemicals!

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THE CONTROL OF GENE EXPRESSION

THE CONTROL OF GENE EXPRESSION. THE CONTROL OF GENE EXPRESSION. GENE EXPRESSION THE OVERALL PROCESS BY WHICH GENETIC INFORMATION FLOWS FROM GENES TO PROTEINS PROKARYOTES ARE BEST TO STUDY FOR THIS TOPIC…WHY??

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Microarray technology and analysis of gene expression data

Microarray technology and analysis of gene expression data. Hillevi Lindroos. Introduction to microarray technology Technique for studying gene expression for thousands of genes simultaneously. Study gene regulation, effects of treatments, differences between healthy and diseased cells...

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Gene Expression: Transcription and Translation, Chapters 5 and 6

Gene Expression: Transcription and Translation, Chapters 5 and 6. Gene Expression. Genes “control” phenotype Cellular environment affects gene expression Involves extensive intracellular signaling Tissue, development, disease specific. THE CENTRAL DOGMA. DNA  RNA  PROTEIN.

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REGULATION of GENE EXPRESSION

REGULATION of GENE EXPRESSION. GENE EXPRESSION. all cells in one organism contain same DNA every cell has same genotype phenotypes differ skin cells have different structure & function from muscle cells. GENE EXPRESSION. differences -due to differences in gene expression

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Control of Gene Expression

Control of Gene Expression. ROLE OF GENE EXPRESSION : Activation of a gene that results in a protein Cells DO NOT need to produce proteins for every code. GENOME : Complete genetic material of an individual Cells can regulate what genes get expressed. Gene expression in Prokaryotes.

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RNAi

RNAi. Carly Sproule BE 4332. What is RNA Interference?. Mechanism that silences a gene so that the protein associated with it is not expressed Regulates gene expression Used as an immune response and natural defense mechanism

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Endocrine Disrupting Chemicals Major Areas of Controversy

Endocrine Disrupting Chemicals Major Areas of Controversy. James C. Lamb, Ph.D., DABT, ATS Alexandria, VA. Outline. Endocrinology 101 Endocrine Disruption History Definition of an EDC Examples of Controversies Non-monotonic Dose Response Curves

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Gene Expression and Cell Differentiation

Gene Expression and Cell Differentiation. A Stem Cell Story. http://www.youtube.com/watch?v=2-3J6JGN-_Y#t=36. Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product . These products are often proteins .

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First International Congress on Science and Technology October 28, 2005

First International Congress on Science and Technology October 28, 2005. Environmental Endocrine Disruptors Dr. Joseph Colosi Dr. Arthur Kney DeSales University Lafayette College. Symantic Confusion. Endocrine disrupting chemicals (EDCs) Hormonally-active agents Environmental estrogens

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Chapter 10 The Endocrine System

Marisol Boatwright, MHA, CMA(AAMA) HS120 Kaplan University. Chapter 10 The Endocrine System. MECHANISMS OF HORMONE ACTION. Endocrine glands secrete chemicals (hormones) into the blood (Figure 10-1)

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Ch 18: Regulation of Gene Expression

Ch 18: Regulation of Gene Expression. Prokaryotes and eukaryotes alter gene expression in response to their changing environment In multicellular eukaryotes, gene expression regulates development and is responsible for differences in cell types

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Endocrine Control

Endocrine Control. Chapter 35. Impacts, Issues Hormones in Balance. Many chemicals we release into the environment (such as the herbicide atrazine) have disruptive hormonal effects. 35.1 Introducing the Vertebrate Endocrine System.

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Evolution in Action

Evolution in Action. Chapter 15, section 3. Caribbean Anole Lizards. Anolis insolitus Way of life: Inhabits tree branches Adaptations: Thin body, short legs, large toe pads. Anolis pulchellus Way of life: Stays in grass Adaptations: Slender, very long tails. Anolis cybotes

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Radiation Effects on Regulation of Gene Expression

Radiation Effects on Regulation of Gene Expression. Mitsuru Nenoi, Bing Wang, Tetsuo Nakajima Radiation Effect Mechanisms Research Group, Natl. Inst. Radiol. Sci., Chiba, Japan. Risk of Radiation-Induced Cancers. ?. From Hall,E.J., Radiobiology for the Radiologist. J.B. Lippincott Company.

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