This document is a published patent application from the USPTO, specifically application number US20260085104A1, filed on September 14, 2023. It describes methods and fusion proteins for detecting and isolating immune cells, particularly those involving a dysfunctional purinergic P2X7 receptor epitope moiety and an antibody Fc region. The application is classified under CPC codes related to protein chemistry and immunological assays.

As this is a patent application, it does not impose immediate regulatory requirements or compliance deadlines on entities. However, it signals potential future intellectual property and innovation in the field of immune cell detection and isolation. Companies involved in biotechnology, diagnostics, and pharmaceutical research should be aware of this filing as it may impact their own research and development efforts or patent strategies.