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Interleukin-1: A soluble factor produced by Monocytes; Macrophages, and other cells which activates T-lymphocytes and potentiates their response to mitogens or antigens. Interleukin-1 is a general term refers to either of the two distinct proteins, Interleukin-1alpha and Interleukin-1beta. The biological effects of Il-1 include the ability to replace macrophage requirements for T-cell activation.

Autocrine Signaling

JoVE 10973

Secreted signals can act on a variety of target cells. In some cases, the cell that secretes a signal also detects and responds to the signaling molecule it produces; this is called Autocrine Signaling.

Under normal physiological conditions, autocrine signaling is important for homeostasis. This process is well characterized in the macrophages of the immune system. Macrophages secrete a variety of signals including the cytokine Interleukin-1, IL-1. The secreting macrophages also possess membrane receptors for IL-1 that, when bound, can activate an intracellular signaling cascade. The resulting intracellular signals trigger the secretion of additional cytokines including more IL-1 from the target cell. Though IL-1 secreted by these macrophages can also bind to receptors on other cells and cell types, binding to the signaling cell is important in the regulation of signal production. Autocrine signaling is also a major mechanism of cancer cell proliferation. Cancerous cells secrete a variety of growth signals to themselves, through autocrine signaling, and to nearby tissues. For example, progesterone appears to act in an autocrine manner in breast cancer, whereby progesterone binds to progesterone receptors on the signaling cell, stimulating the action of growth-promoting genes. Autocrine signaling can also play a role in the development of skin cancer by stimulat

 Core: Cell Signaling

Assessment of the Cytotoxic and Immunomodulatory Effects of Substances in Human Precision-cut Lung Slices

1Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of REBIRTH Cluster of Excellence, 2Institute for Pathology, Hannover Medical School, German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), 3Division of Thoracic and Vascular Surgery, Klinikum Region Hannover (KRH), 4Department of Cardiothoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), 5Institute of Pharmacology and Toxicology, RWTH Aachen University, 6Institute for Immunology, Hannover Medical School

JoVE 57042

 Immunology and Infection

Microinjection of CRISPR/Cas9 Protein into Channel Catfish, Ictalurus punctatus, Embryos for Gene Editing

1School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, 2Department of Animal Wealth Development, Faculty of Veterinary Medicine, Suez Canal University, 3Anatomy and Embryology Department, Faculty of Veterinary Medicine, Cairo University, 4Department of Molecular Physiology and Biophysics, Vanderbilt University, 5Life Science Institute, University of Michigan

JoVE 56275

 Genetics

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

1Lundbeck Foundation Research Initiative on Brain Barriers and Drug Delivery, Department of Biomedicine, Aarhus University, 2Institute of Pharmaceutical Science, King's College London, 3HICoE Centre for Drug Research, Universiti Sains Malaysia

JoVE 56277

 Medicine

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice

1Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, 2Robert M. Berne Cardiovascular Research Center, University of Virginia, 3Department of Biochemistry and Molecular Genetics, University of Virginia, 4Division of Cardiology, University of Pittsburgh School of Medicine

JoVE 59139

 Medicine

Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats

1Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, 2Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University

Video Coming Soon

JoVE 60562

 JoVE In-Press

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis After Coronary Angioplasty

1Experimental Metabolism and Clinical Research Laboratory & Regenerative Medicine and Tissue Engineering Laboratory, 2Hemodynamics Unit, Cardiology Department, Centro Médico Nacional "20 de Noviembre" ISSSTE, 3Laboratorio de Biología del Desarrollo y Teratogénesis Experimental, Hospital Infantil de México Federico Gómez

Video Coming Soon

JoVE 60504

 JoVE In-Press

Porcine Model of Infrarenal Abdominal Aortic Aneurysm

1Department of Surgery, University of Virginia School of Medicine, 2Department of Surgery, Ochsner Medical Center, 3Department of Surgery, University of Florida, 4The Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine

Video Coming Soon

JoVE 60169

 JoVE In-Press

Murine Surgical Model of Topical Elastase Induced Descending Thoracic Aortic Aneurysm

1Department of Surgery, University of Virginia School of Medicine, 2Department of Surgery, Ochsner Medical Center, 3Department of Surgery, University of Florida, 4The Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine

JoVE 60105

 Medicine

Preparation Of Gushukang (GSK) Granules for In Vivo and In Vitro Experiments

1Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 2Spine Institute, Shanghai University of Traditional Chinese Medicine, 3Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, 4School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine

JoVE 59171

 Medicine

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells

1Chang Gung University, 2Department of Periodontics, Chang Gung Memorial Hospital, 3California Northstate University College of Medicine, 4Department of Nephrology, Clinical Poison Center, Chang Gung Memorial Hospital, 5Kidney Research Center, Chang Gung Memorial Hospital, 6Center for Tissue Engineering, Chang Gung Memorial Hospital, 7Department of Periodontics, Chang Gung Memorial Hospital, 8College of Oral Medicine, Taipei Medical University

JoVE 57166

 Bioengineering

Whole-cell Currents Induced by Puff Application of GABA in Brain Slices

1School of Psychology, South China Normal University, 2School of Life Sciences, South China Normal University, 3Brain Science Institute, South China Normal University, 4Center for Studies of Psychological Application, South China Normal University, 5Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University

JoVE 56387

 Neuroscience

Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture

1Department of Sports, Health & Leisure, College of Tourism, Leisure and Sports, Aletheia University, Tainan Campus, 2Department of Neurology, Mackay Memorial Hospital and Mackay Medical College, 3Department of Veterinary Medicine, School of Veterinary Medicine, National Taiwan University, 4Graduate Institute of Brain & Mind Sciences, College of Medicine, National Taiwan University, 5Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University

JoVE 54896

 Behavior

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis

1Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry, RWTH Aachen University, 2Institute for Laboratory Animal Science and Experimental Surgery, RWTH Aachen University, 3Department of Medicine III, RWTH Aachen University

JoVE 52438

 Medicine

A Novel in vivo Gene Transfer Technique and in vitro Cell Based Assays for the Study of Bone Loss in Musculoskeletal Disorders

1Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, 2Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children - Northern California, 3Department of Dermatology, University of California, Davis

JoVE 51810

 Medicine
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