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Kapitel 38

Krebs

Was ist Krebs?
Was ist Krebs?
Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially ...
Krebserkrankungen entstehen durch somatische Mutationen in einer einzelnen Zelle
Krebserkrankungen entstehen durch somatische Mutationen in einer einzelnen Zelle
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate ...
Tumor-Progression
Tumor-Progression
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the ...
Adaptive Mechanismen in Krebszellen
Adaptive Mechanismen in Krebszellen
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, ...
Die Mikroumgebung des Tumors
Die Mikroumgebung des Tumors
Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood ...
Metastase
Metastase
Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) ...
Krebskritische Gene I: Proto-Onkogene
Krebskritische Gene I: Proto-Onkogene
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, ...
Krebskritische Gene II: Tumorsuppressorgene
Krebskritische Gene II: Tumorsuppressorgene
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, ...
Verlust der Funktionen von Tumorsuppressorgenen
Verlust der Funktionen von Tumorsuppressorgenen
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable ...
Das Retinoblastom-Gen
Das Retinoblastom-Gen
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable ...
Mechanismen von Retrovirus-induzierten Krebserkrankungen
Mechanismen von Retrovirus-induzierten Krebserkrankungen
Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of ...
Rous-Sarkom-Virus (RSV) und Krebs
Rous-Sarkom-Virus (RSV) und Krebs
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He ...
Das Ras-Gen
Das Ras-Gen
The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family ...
mTOR-Signalweg und Krebsprogression
mTOR-Signalweg und Krebsprogression
The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a ...
Krebsstammzellen und Tumorerhaltung
Krebsstammzellen und Tumorerhaltung
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often ...
Mausmodelle der Krebsstudie
Mausmodelle der Krebsstudie
Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are ...
Krebsprävention
Krebsprävention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular ...
Krebstherapien
Krebstherapien
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients. However, ...
Gezielte Krebstherapien
Gezielte Krebstherapien
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between ...
Behandlung resistenter Krebsarten
Behandlung resistenter Krebsarten
Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify ...
Kombinationstherapien und personalisierte Medizin
Kombinationstherapien und personalisierte Medizin
Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a ...
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