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Celulas cancerosas

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CreditSTEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Cancer cell and T lymphocytes, SEM

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CreditKATERYNA KON/SCIENCE PHOTO LIBRARY

Lung cancer, illustration

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CreditCHRISTOPH BURGSTEDT/SCIENCE PHOTO LIBRARY

3d illustration of a cross-section of skin with melanoma that enters the bloodstream and lymphatic tract.

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CreditKEITH CHAMBERS/SCIENCE PHOTO LIBRARY

Illustration of CAR (chimeric antigen receptor) T cell immunotherapy, a process that is being developed to treat cancer. T cells (one at upper left), part of the body's immune system, are taken from the patient and have their DNA (deoxyribonucleic acid) modified by viruses (purple) so that they produce chimeric antigen receptor (CAR) proteins. These proteins will be specific to the patient's cancer. The modified T cells are then multiplied in the laboratory before being reintroduced to the patient.

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CreditALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Cancer cells, illustration

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CreditKATERYNA KON/SCIENCE PHOTO LIBRARY

Leukaemia white blood cell with mitochondria, illustration

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CreditMOREDUN ANIMAL HEALTH LTD/SCIENCE PHOTO LIBRARY

Coloured SEM of a cancerous tumour in the lung

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CreditTHOM LEACH / SCIENCE PHOTO LIBRARY

3D illustration of a human T cell attacking a cancer cell.

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CreditSTEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Prostate cancer cell, coloured scanning electron micrograph (SEM). of the surface of prostate cancer cells. The cells shows numerous processes and microvilli (fine surface projections). These features are characteristic of highly mobile cells, and enable cancerous cells to spread (metastasis) rapidly round the body, and invade other organs and tissues. Cancer cells divide rapidly and chaotically, and may clump to form malignant tumours. The prostate is a small gland found in men just below the bladder, surrounding the urethra, the tube urine passes through. Prostate cancer is most prevalent in men over 50 years of age. Treatment is with hormone therapy, chemotherapy, or surgical removal of the prostate. Magnification: x 8000 when printed at 10 centimetres across.

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CreditKATERYNA KON/SCIENCE PHOTO LIBRARY

Lung cancer, conceptual image

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CreditKEITH CHAMBERS/SCIENCE PHOTO LIBRARY

Illustration of CAR (chimeric antigen receptor) T cell immunotherapy, a process that is being developed to treat cancer. T cells (blue), part of the body's immune system, are taken from the patient and have their DNA (deoxyribonucleic acid) modified by viruses (spiky spheres) so that they produce chimeric antigen receptor (CAR) proteins. These proteins will be specific to the patient's cancer. The modified T cells are then multiplied in the laboratory before being reintroduced to the patient.

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CreditSTEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Leukaemia blood cells. Coloured scanning electron micrograph (SEM) of B lymphocyte white blood cells (white) from a patient with leukaemia. Magnification: x5000 when printed 10 centimetres wide.

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CreditKATERYNA KON/SCIENCE PHOTO LIBRARY

Cervical cancer cells, illustration

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CreditKATERYNA KON/SCIENCE PHOTO LIBRARY

Lung cancer. Computer illustration showing a cancerous tumour in the lung and a close-up view of lung cancer cells.

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CreditKATERYNA KON/SCIENCE PHOTO LIBRARY

Lung cancer, computer illustration showing malignant tumour in the lung.

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CreditSTEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Breast cancer cells. Coloured scanning electron micrograph (SEM) of breast cancer cells. The cells shows numerous processes and microvilli (fine surface extensions). These features are characteristic of highly mobile cells, and enable cancerous cells to spread (metastasis) rapidly round the body, and invade other organs and tissues. Cancer cells divide rapidly and chaotically, and may clump to form malignant tumours. The tumours often invade and destroy surrounding tissues. Breast cancer is the most common form of cancer in women. Treatment involves surgical removal of the tumour, often combined with radiotherapy and chemotherapy. Magnification: x1500 when printed 10cm wide.