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In the over 80 years since androgens were found to play a pivotal role in prostate cancer (PCa) progression, androgen deprivation therapy (ADT) has been a cornerstone in treating advanced PCa. Castration‐resistant PCa persists, however, with some of these tumors evolving to androgen receptor (AR)‐independent forms like neuroendocrine PCa. The development of novel diagnostic and therapeutic approaches to PCa is therefore crucial. This review provides an overview of recent basic research in PCa, focusing on two main areas: PCa cells and their tumor microenvironments. The first section describes current knowledge on the intricate mechanisms of AR signaling pathways, emphasizing the roles of coactivators and chromatin state alterations in gene regulation. Genomic analyses have revealed recurrent mutations and copy number alterations critical for precision medicine. Liquid biopsy has become a promising tool for real‐time tumor monitoring, identifying genetic alterations in circulating‐tumor DNA or extracellular vesicles. The second section describes the tumor microenvironment of PCa, highlighting its immunosuppressive landscape and the potential of combining ADT with immunotherapy. Advanced techniques, including single‐cell RNA sequencing and spatial transcriptomics offer insights into cellular heterogeneity and interactions within the tumor microenvironment, paving the way for novel therapeutic strategies. Integration of these diverse research areas will provide a comprehensive understanding of the current state and future directions of PCa research, underscoring the importance of personalized medicine and the dynamic nature of cancer treatment strategies.
In the over 80 years since androgens were found to play a pivotal role in prostate cancer (PCa) progression, androgen deprivation therapy (ADT) has been a cornerstone in treating advanced PCa. Castration‐resistant PCa persists, however, with some of these tumors evolving to androgen receptor (AR)‐independent forms like neuroendocrine PCa. The development of novel diagnostic and therapeutic approaches to PCa is therefore crucial. This review provides an overview of recent basic research in PCa, focusing on two main areas: PCa cells and their tumor microenvironments. The first section describes current knowledge on the intricate mechanisms of AR signaling pathways, emphasizing the roles of coactivators and chromatin state alterations in gene regulation. Genomic analyses have revealed recurrent mutations and copy number alterations critical for precision medicine. Liquid biopsy has become a promising tool for real‐time tumor monitoring, identifying genetic alterations in circulating‐tumor DNA or extracellular vesicles. The second section describes the tumor microenvironment of PCa, highlighting its immunosuppressive landscape and the potential of combining ADT with immunotherapy. Advanced techniques, including single‐cell RNA sequencing and spatial transcriptomics offer insights into cellular heterogeneity and interactions within the tumor microenvironment, paving the way for novel therapeutic strategies. Integration of these diverse research areas will provide a comprehensive understanding of the current state and future directions of PCa research, underscoring the importance of personalized medicine and the dynamic nature of cancer treatment strategies.
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