Antigen Collection (page 4)

TEM of HIV-antigen AIDS vaccine from yeast
Transmission electron micrograph (TEM) of an experimental " HIV-antigen" vaccine for AIDS. The virus-like particles seen here are derived from yeast

Yersinia pestis virulence factor. Molecular model of the V-antigen protein, a virulence factor in Yersinia pestis, the causative agent of the plague

Spreading virus, conceptual artwork
Spreading virus, conceptual computer artwork

Retrovirus particle, artwork
Retrovirus particle, computer artwork

Flu vaccine, conceptual artwork
Flu vaccine, conceptual computer artwork

Histamine allergic reaction, diagram
Histamine allergic reaction. Diagram showing the process that leads to the release of histamine during an allergic reaction. Cells called mast cells (orange) mediate this response

Immune system, artwork
Immune system. Computer artwork showing how T-cells (right), antibodies (Y-shaped) and antigen-presenting cells (APC, left) interact during an immune response

Meningitis B vesicles, TEM
Meningitis B vesicles. Coloured transmission electron micrograph (TEM) of outer membrane vesicles (OMV) from Neisseria meningitidis serogroup B bacteria

Allergic immune response, artwork
mast cell reponse: Bacteria (blue) bounds to a mast cell (White ball) and histamine (orange) was triggered

Eggs used in vaccine production
Vaccine production. Chicken eggs used in the production of influenza vaccines. The eggs act as a culture medium for the antigen for the specific influenza virus

Allergic response, artwork
Allergic response. Computer artwork showing the process that produces an allergic reaction. Antigens (blue), such as pollen

Antibodies and their antigen. Computer model showing the molecular structure of two anti-P-glycoprotein antibodies (upper left and right) and the P-glycoprotein (blue) to which they respond

Flu virus surface protein and antibody. Computer model showing the molecular structure of the neuraminidase glycoprotein enzyme found on the surface of the influenza (flu) virus

Global flu pandemic, artwork
Global flu pandemic. Computer artwork of a globe within an influenza (flu) A virus particle, representing a global flu pandemic

Swine flu pandemic, conceptual image
Swine flu pandemic, conceptual computer artwork. The Earth (green) is sandwiched between two H1N1 influenza (flu) A virus particles (virions, orange)

Swine flu, conceptual image
Swine flu, conceptual computer artwork. Pig and an H1N1 influenza (flu) A virus particle (virion)

H1N1 flu virus particles, artwork
H1N1 flu virus particles. Computer artwork of H1N1 influenza (flu) A virus particles (virions). In each particles lipid envelope are two types of protein spike, haemagglutinin (H)

Flu virus particles, artwork
Flu virus particles. Computer artwork of influenza (flu) A virus particles (virions). Each virus consists of a core of RNA (ribonucleic acid) genetic material surrounded by a protein coat (pink)

Swine flu virus particle, artwork
Swine flu virus particle. Computer artwork of a swine influenza (flu) virus particle. At the core of the virus is RNA (ribonucleic acid, orange) genetic material

Spanish flu H1 antigen, molecular model
Spanish flu virus antigen. Computer model showing the molecular structure of a haemagglutinin 1 (H1) antigen from the Spanish influenza (flu) virus particle

T-cell receptor - MHC complex. Computer model showing the molecular structure of a T-cell receptor (TCR, pink and blue) bound to an allogeneic (non-self) major histocompatibility complex (MHC)

Cd28 antigen molecule. Computer model showing the secondary structure of cd28. Cd28 is an antigen found on the surface of T cells

Streptococcal protein G molecule
Streptococcal protein G. Computer model showing the primary (ball-and-stick) and secondary (alpha- helix, blue, and beta-sheets, purple) structures of Streptococcal protein G

Haemagglutinin viral surface protein, molecular model. Haemagglutinin is found on the surface of many bacteria and viruses, notably the influenza 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.