Antigens Collection

Hepatitis B viruses
Hepatitis B virus. Coloured transmission electron micrograph (TEM) of hepatitis B viruses (circles), a cause of liver inflammation

Hepatitis B viruses

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)

Hepatitis B viruses, TEM
Hepatitis B viruses. Coloured transmission elect- ron micrograph (TEM) of hepatitis B viruses (large lime green circles), a cause of liver inflamm- ation

SARS virus. Artwork of a severe acute respiratory syndrome (SARS) virus particle. The SARS virus is a type of coronavirus, other types of which cause the common cold and a type of gastroenteritis

Influenza virus, TEM
Influenza virus. Coloured transmission electron micrograph (TEM) of an influenza ( flu) virus particle. Influenza belongs to the orthomyxovirus group of viruses

Hantavirus bursting from a cell
Hantavirus infection. Coloured transmission electron micrograph (TEM) of hantavirus particles (yellow/green) bursting from a human cell

Hantavirus. Coloured transmission electron micrograph (TEM) of a hantavirus. This causes haemorrhagic fever with renal syndrome (HFRS) or Hantavirus pulmonary syndrome (HPS)

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

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

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

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Antigens play a crucial role in our immune system's defense against various pathogens. One such pathogen is the Hepatitis B virus, which can cause severe liver damage if left untreated. The presence of specific antigens on the surface of Hepatitis B viruses triggers an immune response, leading to the production of antibodies that neutralize and eliminate these harmful invaders. In this captivating image captured under a transmission electron microscope (TEM), we get a glimpse into the intricate structure of Hepatitis B viruses. Their spherical shape and distinct outer envelope are highlighted, emphasizing the importance as key targets for our immune cells. But antigens don't stop at just viral infections; they also come into play when dealing with other diseases like Hantavirus or even allergies like perfume allergy responses. Our bodies recognize these foreign substances as potential threats and mount an antigen-specific response to protect us from harm. Artwork depicting the bird flu virus particle showcases yet another example where antigens become significant players in disease prevention. By identifying unique viral proteins displayed on their surfaces, our immune system recognizes and combats these infectious agents effectively. The repeated mention of Hepatitis B viruses throughout signifies their significance in immunology research due to their complex antigenic composition. Scientists continue to study these viruses intensively to develop better diagnostic tools, vaccines, and antiviral treatments targeting specific antigens associated with them. Understanding how antigens interact with our immune system opens doors for advancements in medicine and public health strategies aimed at combating infectious diseases more effectively. As we delve deeper into unraveling the mysteries surrounding antigens, we inch closer towards a healthier future where diseases caused by pathogens can be controlled or eradicated altogether through targeted interventions based on antigen recognition mechanisms.