Antigen Collection (page 2)

HIV antibody and glycoprotein complex. Molecular model of the anti-human immunodeficiency virus type 1 (anti-HIV-1) antibody 2F5 in complex with the gp41 envelope glycoprotein of HIV-1

MHC protein-antigen complex C015 / 1924
MHC protein-antigen complex. Molecular model of the human class I MHC (major histocompatibility complex) protein HLA-D27 complexed with a peptide antigen

Haemagglutinin viral surface protein C015 / 9965
Haemagglutinin viral surface protein. Molecular model of haemagglutinin, a surface protein from the influenza virus, complexed with a neutralising antibody

Haemagglutinin viral surface protein C015 / 7124
Haemagglutinin viral surface protein. Molecular model of haemagglutinin, a surface protein from the influenza virus, complexed with a neutralising antibody

Haemagglutinin viral surface protein C015 / 9974
Haemagglutinin viral surface protein. Molecular model of haemagglutinin, a surface protein from the influenza virus, complexed with a neutralising antibody

Avian influenza virus, TEM C015 / 8800
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8799
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8797
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Simian virus (SV40) large T antigen C015 / 7069
Simian virus (SV40) large T antigen, molecular model. This antigen is from the simian vacuolating virus 40 (SV40). Large T antigens play a role in regulating the viral life cycle of

Haemagglutinin viral surface protein C015 / 7123
Haemagglutinin viral surface protein. Molecular model of haemagglutinin, a surface protein from the influenza virus, complexed with a neutralising antibody

Influenza virus, illustration C018 / 0735
Influenza virus. Illustration of an influenza (flu) virus particle (virion). The virus consists of an RNA (ribonucleic acid) core (black)

Human immune response molecule complex. Molecular model showing a human T-cell receptor and an HLA-A leukocyte (white blood cell) antigen bound to a TAX peptide from a virus

Human immune response molecule complex C014 / 0871
Human immune response molecule complex. Molecular model showing a human T-cell receptor and an HLA-A leukocyte (white blood cell) antigen bound to a TAX peptide from a virus

Virus, artwork C014 / 4951
Computer artwork of a generic virus particle

Influenza virus, artwork C016 / 8349
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8348
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8347
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8346
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8344
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8345
This image may not be used in educational posters Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion)

Influenza virus, artwork C016 / 8342
Influenza virus. Computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H, red) and neuraminidase (N)

Influenza virus, artwork C016 / 8341
Influenza virus. Computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H, red) and neuraminidase (N)

Influenza virus, artwork C016 / 8340
Influenza virus. Computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H, red) and neuraminidase (N)

Antibody fragment-lysozyme complex
fab d1.3, , chicken egg white lysozyme, protein, biomolecule, macromolecule, lysozyme, enzyme, fab, antigen, antibody, biochemistry, biology, molecular biology, proteomics, artwork, illustration

Simian virus (SV40) large T antigen C015 / 7070
Simian virus (SV40) large T antigen, molecular model. This antigen is from the simian vacuolating virus 40 (SV40). Large T antigens play a role in regulating the viral life cycle of

Influenza virus, artwork C018 / 2894
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (blue) are two types of protein spike

Influenza virus, artwork C018 / 2893
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (blue) are two types of protein spike

Influenza virus, artwork C018 / 2891
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (blue) are two types of protein spike

Influenza virus, artwork C018 / 2890
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike

Influenza virus, artwork C018 / 2892
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (brown) are two types of protein spike

Multiple sclerosis protein complex C015 / 3496
Multiple sclerosis protein complex, molecular model. The proteins forming this complex are a T-cell receptor (TCR), a peptide antigen (myelin basic protein, MBP)

Multiple sclerosis protein complex, molecular model. The proteins forming this complex are a T-cell receptor (TCR), a peptide antigen (myelin basic protein, MBP)

Avian influenza virus, TEM C016 / 5843
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 5841
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 5842
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Antigen presentation, SEM C016 / 3105
Antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (blue) and a T helper lymphocyte (Th cell, yellow)

Antigen presentation, SEM C016 / 3104
Antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (brown) and a T helper lymphocyte (Th cell, red)

Avian influenza virus, TEM C016 / 2354
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 2353
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 2352
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 2351
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Bird flu virus particle, artwork C013 / 4650
Bird flu virus particle. Computer artwork showing the internal and external structures of an influenza (flu) A subtype H5N1 (bird flu) virus particle (virion)

T lymphocytes and cancer cells, SEM
T lymphocytes and cancer cells. Coloured scanning electron micrograph (SEM) of T lymphocyte cells (purple) attached to cancer cells

Human rhinovirus with antibodies
Human rhinovirus (HRV) with antibody fragments, computer model. This image was created using molecular modelling software and data from cryo- electron microscopy

Artwork of mast cells in an allergic response
Allergic response. Artwork showing mast cells during an allergic response. Allergens (green structures) from foreign bodies have bound to antibodies (yellow)

Neutrophil cell and bacteria, SEM
Neutrophil cell and bacteria. Coloured scanning electron micrograph (SEM) of bacteria (rod-shaped) and part of a neutrophil cell (lower left)

Macrophage cell engulfing bacteria, TEM
Macrophage cell engulfing bacteria. Coloured transmission electron micrograph (TEM) of bacteria (centre, rod-shaped) inside a macrophage cell

Coloured TEM of hepatitis B virus and its antigen
Hepatitis B virus. Coloured transmission electron micrograph (TEM) of the Hepatitis B virus and its naturally occurring antigen. The rounded spheres (called Dane particles) are the complete virus

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"Unveiling the Power of Antigens: Exploring the Dynamic Interplay with T Lymphocytes and Cancer Cells" In the realm of immunology, antigens hold a crucial role in our body's defense against various diseases. From Hepatitis B viruses to Hantavirus, these microscopic entities trigger an intricate immune response that safeguards our well-being. Through captivating SEM C001 / 1679 images, we witness T lymphocytes engaging in a fierce battle against cancer cells. These specialized white blood cells recognize specific antigens on malignant invaders, launching a targeted attack to eliminate them. Vaccination plays a pivotal role in preparing our immune system for future encounters. An awe-inspiring illustration showcases how vaccines stimulate our body's defenses by introducing microbes and their associated antigens. This prompts antibody production (such as Immunoglobulin G) and primes us for effective protection against potential infections. The foot-and-mouth disease virus (F006 / 9556) serves as another example where antigens play a central role. A conceptual image vividly portrays antibodies attaching themselves to bacteria, effectively neutralizing and killing them. Meanwhile, surrounding tissues become inflamed due to this battle, causing systemic effects that signal an ongoing fight within. Antihistamines come into play when allergies strike; they block histamine receptors from triggering allergic reactions caused by antigen exposure. This provides relief from symptoms like inflammation or itching – showcasing how understanding antigen interactions can lead to practical solutions for everyday health challenges. Nature's arsenal includes natural killer cells injecting toxins into bacteria—an extraordinary sight captured through scientific imaging techniques. These remarkable defenders contribute significantly to eliminating harmful pathogens from invading our bodies. Artistic representations beautifully depict the immune system's reaction when bacteria invade tissues—a synchronized dance between antibodies and foreign intruders unfolds before our eyes—showcasing nature's incredible ability to protect itself at its finest hour.