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Articles related to "Mrna"
New Test For Detection of Recurrent Thyroid Cancer A new test for follow up after treatment for thyroid cancer proves more sensitive than conventional tests and does not require stopping l-thyroxine treatment prior to the test. thyroid cancer • recurrent thryoid cancer • thyroglobulin (tg) messenger ribonucleic acid (mrn • thyroglobulin mrna
How a Cell Synthesizes Protein When a cell requires more of a specific protein, messenger RNA is made from the gene for that protein and during translation the information is converted to new protein. how are proteins synthesized • what specifies the amino acid order in a protein • what is translation • initiation codon • termination codon
What is Ribonucleic Acid or RNA? RNA, ribonucleic acid, is the genetic material that transcribes DNA's instructions and translates instruction into construction of protein. what is rna • ribonucleic acid • nucleic acid • mrna • rrna
Functions and Structure of Ribosomes Ribosomes, which can be free floating in the cell or attached to endoplasmic reticulum, carry out the steps of protein synthesis in the cell. attached ribosomes • steps of protein synthesis • function of ribosome • ribosome structure • free ribosome
Principles of Ribosome Structure and Function See the structure, nature and function of ribosomes - cell organelles essential for life. Ribosomes work with messenger RNA to manufacture all necessary cell proteins. ribosomes protein synthesis activities • ribosome structure functions • ribosome types and kinds • prokaryote eukaryote ribosomes • cell transcription translation protein synthesis
Antisense: Revolutionary Drug Therapy Antisense drug therapy may provide new hope in treating viral diseases, cancer, and many other diseases. cytomegalovirus • fomivirsen • ciba • retinitis • antisense
Nucleic Acid Function - DNA and RNA Nucleic acids, such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the vital genetic blueprints, messengers and builders of the cellular world. nucleic acid function • nucleic acid structure • dna replication • dna transcription • genetic transcription
Human AGTR1 Expression The renin-angiotensin system (RAS) increases blood pressure by activating AT1R, which occurs in numbers determined by its gene expression. human agtr1 gene expression • at1r expression • angiotensin ii type 1 receptor gene • agtr1 transcriptional regulation • genetic influence on cardiovascular disease
Antibiotic Activity at Bacterial Ribosome Sites The mechanisms of inhibition of bacterial protein synthesis become clearer each year. The recent Nobel Prize in Chemistry rewarded the clearer understanding of ribosomes. protein inhibition by antibiotics • list of antibacterial antibiotics protein inhibito • ribosome trna mrna antibiotic effects • antibiotic bacterial effects and actions • antibiotic protein synthesis inhibition
Making Sense of the Genetics of RNA Viruses The genetic material of a virus can be either DNA or RNA, and if it is single-stranded RNA, the biologist must then make sense of the type of strand. viral rna sense strand • negative sense strand • positive sense strand • viral genome • sense strand
Ribosomal Law and Order for Protein Synthesis The purification and crystallization of ribosomes clarified how structure is related to function and how ribosomes account for the law and order of protein synthesis. ribosome structure organization function • ribosomes mrna maintain amino acid order arrangeme • ribosome small unit measurement checks • codon anticodon distance measurement ribosome smal • designer antibiotics ribosomal target sites
Nucleotides and Nucleic Acids DNA & RNA This collection of articles explores the components and function of deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and the cellular energy carrier ATP. nucleotides and nucleic acids • what is a nucleotide • what is nucleic acid • nucleotide monomer • nucleic acid polymer
What Is a Genetic DNA Mutation? A mutation is a rare change in a gene's DNA sequence that can result in a defective cellular protein. This article covers the basics of genetic mutation. what is a genetic mutation • what is a gene mutation • what is dna mutation • genome mutation • mutated gene
HIV Protection A mutation in the CCR5 chemokine receptor gene has been discovered that provides protection against infection by HIV-1, the most common strain in North America. ccr5 • chemokine • receptor • hiv • human immunodeficiency virus
Regulating Gene Action Geneticists have long used genetic switches to turn genes on and off, but until now they have struggled to control the intermediate levels. regulation gene action • dimmer switch genes • gene promoters • suppressor genes • green fluorescing pigment in yeasts
Hope After a Cancer Diagnosis Cancer drugs targeting the eukaryotic translation initiation factor gene offers hope in cancer treatment. cancer treatment • cancer therapy • breast cancer • cancer research • rsv treatment
Introduction to Proteins in Human Cells Genes are defined as basic units of heredity that direct the production of proteins. What are proteins and why are they important? what are proteins • making proteins - transcription and translation • essential and non-essential amino acids • ribonucleic acid molecule • messenger rna
How Cells Fight DNA Damage Genetic disorders afflict millions and are caused either by inherited or acquired DNA mutations. This article outlines some ways human cells have for fighting DNA damage. dna damage • dna repair • dna mutations • genetic disorder • genetic disorders
Antiviral Therapy In order to be effective, antiviral agents must be capable of reaching the infected organ(s) and preventing viral replication without affecting host cell function. virus • antiviral • replication • reproduction • dna
Genital Herpes Protection RNA technology was used to silence herpes and host genes to protect for a week in mice. vaginal microbiocide • genital herpes protection • herpes simplex virus-2 • hsv intravaginal microbiocide • sirna
Cell Organelles and Features, What To Know Cells that are small and primitive, or large and more complex, are organized to promote their sustenance and survival. Even the simplest of cells are very complex. universal code of life • summary and review of cell organelles structures a • prokaryotic eukaryotic cells essential and basic f • cell biology eukaryotes prokaryotes • cell membranes nuclei ribosomes enzymes of prokary
How Membrane Systems of Eukaryotic Cells Work Cell membranes once seemed to be simple cell structures. Today, membranes are recognized as complex, highly-organized structures that still require intensive research. membranes lipid rafts proteins alzheimer's parkins • membrane systems of cells • cellular outer and inner membranes • double and single layer membranes of cells • functions and structure of the membrane systems of
Introduction to Molecular Genetics Molecular genetics is a genetics sub-discipline, including areas such as DNA structure, RNA structure, gene expression, gene mutation and gene therapy. chemical structure of dna • chemical structure of rna • gene expression • molecular genetics and gene mutations • molecular genetics and gene therapy
Personalized therapy for Metastatic Lung Cancer A recent study published in May 2009, reports the efficiency of personalized chemotherapy based on the genetic profile of patients affected by non-small cell lung cancer. non-small cell lung cancer • lung cancer genetics • lung cancer gene mutation • lung cancer egfr brca1 • lung cancer oncogene tumor suppressor
Polymerization of DNA & RNA Building Blocks Prior to cell division, a new copy of DNA must be built. And in order for our cells to make proteins, RNA must be created from the DNA template. How is this accomplished? nucleic acid synthesis • nucleic acid polymerization • deoxyribonucleic acid • nucleic acid transcription • rna translation
RNA Interference Since its discovery in 1998, RNAi has become a valuable tool in medical research, and is under investigation for its potential use in the treatment of genetic diseases. rna interference • rnai • sirna • genetic • gene expression
Single Nucleotide Polymorphisms Single nucleotide polymorphisms are minor alterations in the genetic code, but they can result in very important downstream effects on protein function and expression. effect of single nucleotide polymorphisms • effect of snps • definition of snps • definition of single nucleotide polymorphisms • what are snps
Streptomycin – Antibiotics are the metabolic by-products of microorganisms that in very small amounts are detrimental or inhibitory to other microorganisms. streptomycin • antibiotic • streptomycin mode of action • aminoglycosidic antibiotic • streptomycin structure
Understanding the Basics of Genetics This article provides an introduction to genetics, a relatively new field of science that has made its way into many areas of study. basic genetics • how do genes work? • gregor mendel • hiv cure • genetically modified plants
Antibiotic Resistance Mechanisms of Bacteria Natural antibiotics are products of bacteria and fungi. In the microbial world, chemical battles are fought and microbes have learned well how to protect and defend. antibiotic resistance microbe mutation selection • antibiotic resistance transformation transduction • antibiotic types and activities • antibiotic resistance microbe molecular mechanisms • antibiotic resistance staphylococci streptococci
Macromolecules from Activated Intermediates A common misconception is that ATP can be used to determine the direction of a reaction. ATP is used to make activated intermediates that are macromolecular precursors. macromolecule • activated intermediate • kinetic energy • thermal energy • protein synthesis
Small-scale Genetic DNA Mutation The result of these genetic mistakes can range from no effect on the organism to the production a defective cellular protein that may have disastrous implications. small mutations • genetic mutations • point mutations • frameshift mutations • gene insertion
Microtubules, Dynein and Kinesin Microtubules are rigid protein tubes that radiate from the cell center and provide the tracks used by motor proteins to move organelles and molecules to the cell surface. microtubule structure and function • cytoskeleton • dynamic instability • dynein • kinesin |
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