Programmed Cell Death Collection

Coloured SEM of lymphocytes attacking cancer cell
Cancer cell death. Coloured Scanning Electron Micrograph (SEM) showing killer T-lymphocytes (orange) inducing a cancer cell (mauve) to undergo Programmed Cell Death (PCD)

Carl Vogt, German naturalist
Carl Christoph Vogt (1817-1895), German naturalist. Vogt published a number of notable works on physiology, geology and zoology

Programmed cell death protein molecule F006 / 9597
Human programmed cell death protein 4, molecular model. This protein is involved in apoptosis (programmed cell death)

Programmed cell death protein 6 molecule F006 / 9548
Programmed cell death protein 6, molecular model. This is a calcium-binding protein is involved in apoptosis (programmed cell death)

Transcription factor and DNA molecule F006 / 9484
Transcription factor and DNA molecule. Molecular model of glucocorticoid receptor (GR) transcription factor protein (pink and blue) complexed with a molecule of DNA (deoxyribonucleic acid)

Caspase-3 and inhibitor F006 / 9457
Apopain protein and inhibitor. Molecular model of caspase-3, also known as apopain, complexed with an inhibitor. Caspase-3 is a protease, an enzyme that cleaves proteins

Caspase-9 with inhibitor, molecular model F006 / 9442
Caspase-9 complexed with an inhibitor, molecular model. Caspase-9 is a protease, an enzyme that cleaves proteins, that plays a role in apoptosis (programmed cell death)

Stem cell dying, SEM
Stem cell dying. Coloured scanning electron micrograph (SEM) of a stem cell undergoing apoptosis, or programmed cell death. Apoptosis occurs when a cell becomes old or damaged

Cell destruction, artwork
Cell destruction. Artwork of a cell undergoing destruction. This image could represent programmed cell death (apoptosis), a normal part of a cell life cycle

Carl Vogt, German naturalist C018 / 7033
Carl Vogt (1817-1895). 1869 engraving of the German naturalist Carl Christoph Vogt holding a skull. Vogt published a number of notable works on physiology, geology and zoology

Apoptosome cell death protein C015 / 6108
Apoptosome cell death protein, molecular model. Apoptosomes are large protein structures formed during programmed cell death (PCD, also called apoptosis)

Apoptosome cell death protein C015 / 6109
Apoptosome cell death protein, molecular model. Apoptosomes are large protein structures formed during programmed cell death (PCD, also called apoptosis)

HeLa cell dying, SEM C017 / 8304
HeLa cell dying, coloured scanning electron micrograph (SEM). The cell in the foreground is undergoing apoptosis, or programmed cell death. Apoptosis occurs when a cell becomes old or damaged

Caspase 6 enzyme C015 / 5700
Capase 6 enzyme, molecular model. Caspases are proteases, enzymes that cleave proteins and play a role in apoptosis (programmed cell death)

Caspase 6 enzyme C015 / 5699
Capase 6 enzyme, molecular model. Caspases are proteases, enzymes that cleave proteins and play a role in apoptosis (programmed cell death)

Transcription factor and DNA molecule C015 / 5344
Transcription factor and DNA molecule. Molecular model of glucocorticoid receptor (GR) transcription factor protein (blue and purple) complexed with a molecule of DNA (deoxyribonucleic acid)

Transcription factor and DNA molecule C015 / 5343
Transcription factor and DNA molecule. Molecular model of glucocorticoid receptor (GR) transcription factor protein (yellow and green) complexed with a molecule of DNA (deoxyribonucleic acid)

Human tumour protein p73 C016 / 2830
Human tumour protein p73. Molecular model of the human tumour protein p73, encoded by the TP73 gene. Like the similar p53, is is a transcription factor of a type known as a tumour suppressor gene

Human tumour protein p73 C016 / 2831
Human tumour protein p73. Molecular model of the human tumour protein p73, encoded by the TP73 gene. Like the similar p53, is is a transcription factor of a type known as a tumour suppressor gene

Apoptosis, conceptual image C013 / 9998
Apoptosis, conceptual image. Computer artwork representing apoptotic cells. Apoptosis is the process of programmed cell death

Apoptosis, conceptual image C013 / 9997
Apoptosis, conceptual image. Computer artwork representing apoptotic cells. Apoptosis is the process of programmed cell death

Coloured SEM of lymphocyte attacking cancer cell
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Carl Vogt, German naturalist
Carl Christoph Vogt (1817-1895), German naturalist. Vogt published a number of notable works on physiology, geology and zoology

Caspase 3 molecule
Caspase-3 molecule. Computer artwork showing the secondary structure of a molecule of caspase-3. Caspase-3 is a protease, an enzyme that cleaves proteins

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

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"Unveiling the Intricacies of Programmed Cell Death: A Fascinating Journey into Cellular Self-Destruction" In this captivating journey, we explore the phenomenon of programmed cell death, a fundamental process that safeguards our bodies against diseases and maintains cellular balance. Through a mesmerizing colored scanning electron microscope (SEM) image, we witness lymphocytes fearlessly launching an attack on cancer cells. This powerful visual reminds us of the intricate mechanisms at play within our immune system. We delve into history as we pay homage to Carl Vogt, the visionary German naturalist who first proposed the concept in 1842. His groundbreaking insights laid the foundation for future discoveries in this field. Zooming closer into molecular intricacies, we encounter two key players: Programmed Cell Death Protein Molecule F006/9597 and Programmed Cell Death Protein 6 Molecule F006/9548. These proteins orchestrate cellular demise with precision and finesse, ensuring proper elimination without causing harm to surrounding healthy tissues. Transcription factor and DNA molecule F006/9484 come together in perfect harmony to regulate gene expression during programmed cell death. Their synchronized dance ensures that only specific genes are activated or silenced when it is time for a cell to meet its fate. Meet Caspase-3 and its inhibitor F006/9457 - an elegant duo responsible for orchestrating apoptosis by cleaving vital cellular components. Together they maintain a delicate balance between life and death within our cells. Caspase-9 takes center stage alongside its inhibitor in a striking molecular model F006/9442. This dynamic pair acts as gatekeepers, controlling whether cells succumb to their destiny or evade destruction altogether. Witnessing apoptosis firsthand through transmission electron microscopy (TEM), we observe cells undergoing controlled self-destruction while maintaining their structural integrity—a testament to nature's remarkable design. Even stem cells are not exempt from programmed cell death's reach, as shown through multiple scanning electron microscope (SEM) images.