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. 2012 Sep 1;1(6):930-934.
doi: 10.4161/onci.21455.

The early antitumor immune response is necessary for tumor growth: Re-visiting Prehn's hypothesis in the human melanoma system

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The early antitumor immune response is necessary for tumor growth: Re-visiting Prehn's hypothesis in the human melanoma system

Giorgio Parmiani et al. Oncoimmunology. .

Abstract

Early events responsible of tumor growth in patients with a normal immune system are poorly understood. Here, we discuss, in the context of human melanoma, the Prehn hypothesis according to which a weak antitumor immune response may be required for tumor growth before weakly or non-immunogenic tumor cell subpopulations are selected by the immune system.

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Figure 1. The UVB-induced transformation of melanocytes causes the expression of mutated tumor-associated antigens (mTAA), hence triggering an inflammatory, immune and/or pro-angiogenic response that favors early tumor growth.

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