Subchondral insufficiency fracture of the knee.

Subchondral insufficiency fractures of the knee (SIFK) are a relatively common cause of knee pain, particularly in middle-aged and older adults. The SIFK is a type of stress fracture that occurs when excessive and repetitive or supraphysiologic loads are applied to subchondral bone [1]. Historically, this type of fracture was termed spontaneous osteonecrosis of the knee (SONK) until advances in MRI identified underlying fractures as well as meniscal deficiency as likely attributable etiologies.

Metallo-supramolecular complexes enantioselectively target monkeypox virus RNA G-quadruplex and bolster immune responses against MPXV.

The Mpox virus (MPXV) has emerged as a formidable orthopoxvirus, posing an immense challenge to global public health. An understanding of the regulatory mechanisms of MPXV infection, replication and immune evasion will benefit the development of novel antiviral strategies. Despite the involvement of G-quadruplexes (G4s) in modulating the infection and replication processes of multiple viruses, their roles in the MPXV life cycle remain largely unknown.

A comparison of routine [Ga]Ga-PSMA-11 preparation using Locametz and Illuccix kits.

Background: Approval of Locametz and Illuccix kits for the manufacture of [Ga]Ga-PSMA-11 (gallium Ga68 gozetotide), a PET imaging agent for prostate cancer, as well as the corresponding therapeutic ([Lu]Lu-PSMA-617 Pluvicto), has led to a rapid increase in demand for [Ga]Ga-PSMA-11 PET imaging. Radiopharmaceutical manufacturers, using Ge/Ga generators, may decide to adopt Locametz and/or Illuccix kits, which requires a comparison to select the most suitable kit for day-to-day use. The objective of this article is to compare both kits and provide guidance for selecting one for routine use, as well as evaluate labeling consistency of both kits during routine production.