Multiple immune and neural cell populations via secreted factors and cell-surface interactions

The phrase "Multiple immune and neural cell populations via secreted factors and cell-surface interactions" is a descriptive characterization of a therapeutic mechanism rather than a single molecular target. This specific terminology is frequently associated with Mesenchymal Stem Cell (MSC) therapies, particularly NurOwn (MSC-NTF), which is designed to treat neurodegenerative diseases like Amyotrophic Lateral Sclerosis (ALS) (Petrou et al., 2020, JAMA Neurology). The mechanism involves the secretion of a cocktail of neurotrophic factors (e.g., BDNF, GDNF, VEGF) and immunomodulatory cytokines that interact with various cell types, including neurons, astrocytes, microglia, and T-cells (Uccelli et al., 2008, Nature Reviews Immunology). These interactions aim to reduce neuroinflammation, provide trophic support to damaged neurons, and promote a neuroprotective microenvironment through both paracrine signaling and direct cell-to-cell contact (Galipeau & Sensébé, 2018, Cell Stem Cell). Because this entry describes a broad cellular process involving numerous ligands and receptors, it does not meet the criteria for a canonical molecular target. It is classified as incorrect in a molecular target database due to its nature as a system-level description of a drug's effect.

Modulation of the microenvironment through the secretion of paracrine factors and direct cell-surface interactions to regulate immune and neural cell activity.