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Shattuck Labs Inc is a clinical-stage biotechnology company pioneering the development of dual-sided fusion proteins as an entirely new class of biologic medicine. Its product candidate, SL-172154, has been rationally designed to simultaneously inhibit the CD47/SIRPa checkpoint interaction to restore an anti-tumor immune response and to activate the CD40 costimulatory receptor to bolster an immune response. Its product candidate, SL-279252, which is being developed in collaboration with Takeda Pharmaceuticals, or Takeda, has been rationally designed to simultaneously inhibit the PD-1/PD-L1 interaction and activate the OX40 receptor.
Perma-Fix Environmental Services Inc is a provider of both nuclear services and the management of nuclear and mixed waste. The company operates through two segments: Treatment segment offers nuclear, low-level radioactive, Mixed, hazardous and non-hazardous waste treatment, processing and disposal services, and the Services segment which generates the majority of the revenue, provides on-site waste management services to commercial and government customers, technology-based services, construction, logistics, and transportation services among others.