Immune Response Collection (page 3)

Macrophage attacking bacteria, artwork

Antibodies attacking flu virus, artwork

White blood cell, artwork

Flu infection, conceptual artwork

Bacterial infection, artwork

Neutrophil, SEM
Neutrophil. Coloured scanning electron micrograph of an activated neutrophil white blood cell from a patient with a urinary tract infection

Activated granulocytes, SEM
Activated granulocytes. Coloured scanning electron micrograph (SEM) of activated granulocyte, or polymorphonucleocytes (PMNs), white blood cells

Activated granulocyte, SEM
Activated granulocyte. Coloured scanning electron micrograph (SEM) of an activated granulocyte, or polymorphonucleocyte (PMN), white blood cell

Ehrlichs side-chain theory, artwork. Coloured 1900 diagram by the German immunologist Paul Ehrlich (1854-1915) to explain his side-chain theory of immune response

Human immune response, artwork
Human immune response. Computer artwork showing the interactions of the various white blood cells (purple) involved during an immune response in the human body

Immune response to chronic inflammation. Computer artwork showing the interaction of T cell, lymphocyte, and macrophage white blood cells in response to chronic inflammation of the skin (top)

Skin damage immune response, artwork
Skin damage immune response. Computer artwork showing the bodys immune response to pathogens (red dots) entering through a skin wound (upper centre)

DNA transcription control. Computer model showing a molecule of the FP50 homodimer (green) from NF-kB (nuclear factor kappa-light-chain-enhancer of activated B cells)

Interferon regulatory factor molecule
Interferon regulatory factor. Molecular model of interferon regulatory factor 3 (IRF3, blue and white) bound to a DNA (deoxyribonucleic acid) molecule (yellow)

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

Interferon antagonism by viral protein
Interferon (IFN) antagonism by viral protein. Molecular model showing two views of an orthopoxvirus IFN-gamma-binding protein bound to an IFN-gamma molecule

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

Hay fever, conceptual artwork. Head of a human figure with flower images representing the allergic reaction known as hay fever

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)

Brain cells in culture, light micrograph
Brain cells in culture. Fluorescent light micrograph of a microglial cell (upper left) and an oligodendrocyte (centre) from a human brain

Leukotriene E4 molecule. Computer model showing the structure of the fatty acid leukotriene E4. Atoms are colour-coded (carbon: dark grey, hydrogen: light grey, nitrogen: blue, sulphur: yellow)

Dead neutrophil white blood cell, SEM
Dead neutrophil white blood cell. Coloured scanning electron micrograph (SEM) of a dead neutrophil (green) surrounded by rod-shaped bacteria (blue). Neutrophils are part of the bodys immune response

Caspase 1 molecule
Caspase-1 molecule. Computer artwork showing the secondary structure of a molecule of caspase-1. Caspase-1 is a protease, an enzyme that cleaves proteins

Bacteria infecting macrophage cells, SEM
Bacteria infecting macrophage cells. Coloured scanning electron micrograph (SEM) of Bacillus anthracis bacteria (purple) infecting macrophage white blood cells

Antihistamine drug crystals, SEM
Antihistamine drug crystals, coloured scanning electron micrograph (SEM). Antihistamines block the effect of the chemical histamine

Tumour necrosis factor-alpha (TNF-alpha), computer model. This molecule is composed almost entirely of anti-parallel beta-sheets (blue)

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"Unleashing the Power of Immune Response: A Battle against Disease" In the microscopic world, a remarkable defense mechanism unfolds as T lymphocytes take on cancer cells, depicted in stunning detail by SEM C001 / 1679. These vigilant warriors tirelessly seek out and destroy malignant invaders, offering hope in the fight against this devastating disease. Meanwhile, another fierce warrior emerges as a neutrophil engulfs MRSA bacteria with astonishing precision, captured magnificently through SEM C018 / 8596. This powerful immune cell demonstrates its ability to neutralize dangerous pathogens that threaten our well-being. However, not all battles end swiftly. Bacteria infecting macrophages is an ongoing struggle showcased by striking SEM imagery. Witness these tenacious microbes infiltrating and exploiting host cells while our immune system fights back relentlessly. Phagocytosis takes center stage once again as fungal spores fall victim to its gripping power under the watchful eye of SEM technology. The intricate process of engulfment reveals how our body's defenders eliminate potential threats before they can wreak havoc within us. The war rages on with rhinovirus attempting to invade our respiratory system only to be met head-on by antibodies represented in molecular model C015 / 7139. This captivating image showcases the intricate dance between pathogen and defender at a molecular level - a testament to nature's complexity. As we delve deeper into this microscopic realm, phagocytosis reappears vividly capturing fungus spores being devoured under SEM scrutiny. Our immune arsenal leaves no stone unturned when it comes to safeguarding us from harm. Foot-and-mouth disease virus F006 / 9556 serves as yet another reminder of the constant battle fought within us daily. However formidable these adversaries may seem, our immune response stands ready to confront them head-on with unwavering determination. A glimpse into TEM imagery reveals macrophages collaborating harmoniously with lymphocytes, forming an unbreakable alliance against invading pathogens.