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According to a 2015 review article, Lewis lung carcinoma is the only reproducable syngeneic lung cancer model, meaning that it is the only reproducible lung cancer model that utilizes a transplant that is immunologically compatible. Syngeneic models have proven to be useful in predicting clinical benefit of therapy in preclinical experiments.
The word "syngenic" or "syngeneic" (from the Greek word for a relative) means genetically identical, or sufficiently identical and immunologically compatible as to allow for transplantation. For example, it may be used for something transplanted from an identical twin .
The NOD-SCID mouse is considered more immunodeficient than the nude mouse, and therefore is more commonly used for PDX models because the NOD-SCID mouse does not produce natural killer cells. [ 3 ] When human tumors are resected, necrotic tissues are removed and the tumor can be mechanically sectioned into smaller fragments, chemically digested ...
It is important to note that the use of SCID mice has been questioned as a model for studying the human immune system. Some studies have suggested that after a period of time, human T cells in the immunocompromised mice become anergic, meaning that they no longer respond to stimuli. Thus, these mice may be able to host a human immune system ...
An animal model (short for animal disease model) is a living, non-human, often genetic-engineered animal used during the research and investigation of human disease, for the purpose of better understanding the disease process without the risk of harming a human. Although biological activity in an animal model does not ensure an effect in humans ...
Mouse mammary tumor virus (MMTV), is a retro virus that has been a known promoter to cause breast tumors once activated. [39] MMTV is a heritable somatic mutagen whose target range is limited. It harbors a regulatory DNA sequence called the long terminal repeat (LTR), which promotes steroid-hormone-inducible transcription.
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It is the most widely used "genetic background" for genetically modified mice for use as models of human disease. They are the most widely used and best-selling mouse strain due to the availability of congenic strains, easy breeding, and robustness. [1] The median lifespan of C57BL/6 mice is 27–29 months and the maximum lifespan is about 36 ...