Brain tissue

“Brain tissue” refers broadly to the collection of cellular and extracellular components that make up the central nervous system's parenchyma. It includes neurons, glial cells (astrocytes, oligodendrocytes, microglia), blood vessels, and supporting matrix. In biomedical research and clinical diagnostics—especially oncology—“brain tissue” is often referenced as “normal” or “non-tumor” material when distinguishing between healthy and diseased states such as gliomas. Molecular classification models for tumors like glioblastoma use gene expression profiles from normal brain samples to identify contamination by non-tumor cells or misclassification due to high normal cell content[1][3]. While many molecules within brain tissue are therapeutic targets (such as receptors or enzymes), “brain tissue” itself is not considered a druggable target but rather an anatomical structure composed of many potential targets. Its presence must be accounted for in experimental design and data interpretation because it can mask pathological signals if not properly controlled[1][3]. The entry "Brain tissue" does not correspond to any canonical therapeutic target, such as a receptor or enzyme. It describes an anatomical structure containing numerous possible drug targets but is not itself one. Therefore: - is_target = false - is_incorrect = true This term should be replaced with more specific molecular entities when seeking structured information about druggable targets or biomarkers relevant for therapy development.

Other names

Cerebral tissueNeural tissueCentral nervous system tissue (context-dependent)

Not applicable; no direct mechanism since "brain tissue" is not a single molecular entity.