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Protease Inhibitors: Compounds which inhibit or antagonize biosynthesis or actions of proteases (Endopeptidases).

Retrovirus Life Cycles

JoVE 10825

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to replicate. New retroviral RNA is transported to the cytoplasm, where it is translated into proteins that assemble new retroviruses. Particular drugs have been developed to fight retroviral infections. These drugs target specific aspects of the life cycle. One class of antiretroviral drugs, fusion inhibitors, prevents the entry of the retrovirus into the host cell by inhibiting the fusion of the retrovirus with the host cell membrane. Another class of antiretrovirals, reverse transcriptase inhibitors, inhibits the reverse transcriptase enzymes that make DNA copies of the retroviral RNA genome. Reverse transcriptase inhibitors are competitive inhibitors; during the process of reverse transcription, the drug molecules are incorporated into the growing DNA strand instead of the usual DNA bases. Once incorporated, the drug molecules block further progress by the r

 Core: Biology

Human Peripheral Blood Neutrophil Isolation for Interrogating the Parkinson's Associated LRRK2 Kinase Pathway by Assessing Rab10 Phosphorylation

1MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, 2The Michael J. Fox Foundation for Parkinson's Research, 3Department of Medical and Molecular Genetics, Indiana University School of Medicine, 4Morton and Gloria Shulman Movement Disorders Centre and the Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital, University of Toronto, 5Division of Cell Signalling and Immunology, School of Life Sciences, University of Dundee, 6Division of Molecular and Clinical Medicine, School of Medicine, Ninewells Hospital and Medical School, University of Dundee

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JoVE 58956

 JoVE In-Press

Evaluating the Differentiation Capacity of Mouse Prostate Epithelial Cells Using Organoid Culture

1Molecular Biology Interdepartmental Program, University of California, Los Angeles, 2Department of Molecular, Cell, and Developmental Biology, University of California, Los Angeles, 3Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, 4Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, 5Jonsson Comprehensive Cancer Center, University of California, Los Angeles, 6Molecular Biology Institute, University of California, Los Angeles

JoVE 60223

 Cancer Research

Translating Ribosome Affinity Purification (TRAP) for RNA Isolation from Endothelial Cells In Vivo

1Blood Research Institute, Blood Center of Wisconsin, 2Department of Medicine, Medical College of Wisconsin, 3Department of Surgery, The University of Alabama at Birmingham, 4Department of Biomedical Engineering, The University of Alabama at Birmingham, 5GBS Program, Graduate School, The University of Alabama at Birmingham

JoVE 59624

 Biochemistry

Assessing Cellular Stress and Inflammation in Discrete Oxytocin-secreting Brain Nuclei in the Neonatal Rat Before and After First Colostrum Feeding

1Department of Psychiatry, Columbia University, 2Department of Pathology & Cell Biology, Columbia University Medical Center, 3Department of Psychiatry, Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 4EB Sciences

JoVE 58341

 Immunology and Infection

Repressing Gene Transcription by Redirecting Cellular Machinery with Chemical Epigenetic Modifiers

1Chemical Biology and Medicinal Chemistry, Center for Integrative Chemical Biology and Drug Discovery, Curriculum in Genetics and Molecular Biology, University of North Carolina, 2College of Arts and Sciences, Chemical Biology and Medicinal Chemistry, Center for Integrative Chemical Biology and Drug Discovery, University of North Carolina, 3Chemical Biology and Drug Discovery, Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 4Chemical Biology and Medicinal Chemistry, Center for Integrative Chemical Biology and Drug Discovery, Curriculum in Genetics and Molecular Biology, Lineberger Comprehensive Cancer Center, University of North Carolina

JoVE 58222

 Bioengineering

Calibration-free In Vitro Quantification of Protein Homo-oligomerization Using Commercial Instrumentation and Free, Open Source Brightness Analysis Software

1Cellular Imaging Group, Wellcome Centre Human Genetics, University of Oxford, 2Division of Structural Biology, Wellcome Centre Human Genetics, University of Oxford, 3Dynamic Structural Virology Group, Biocruces Health Research Centre, 4IKERBASQUE, Basque Foundation for Science

JoVE 58157

 Biochemistry

Native Chromatin Immunoprecipitation Using Murine Brain Tumor Neurospheres

1Department of Cell and Developmental Biology, University of Michigan Medical School, 2Department of Neurosurgery, University of Michigan Medical School, 3Cancer Research Summer Internship Program (CARSIP), Cancer Biology Program, University of Michigan Medical School, 4Department of Biology, University of Puerto Rico-Río Piedras Campus

JoVE 57016

 Cancer Research
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