BRCA1 and BRCA2 both function in DNA double-strand break repair by homologous recombination (HR). Due to their HR defect, BRCA1/2-deficient cancers are sensitive to poly(ADP-ribose) polymerase inhibitors (PARPis), but they eventually acquire resistance. Preclinical studies yielded several PARPi resistance mechanisms that do not involve BRCA1/2 reactivation, but their relevance in the clinic remains elusive.
View Article and Find Full Text PDFUniventricular heart malformations are rarely described in the veterinary literature. This case report describes a single-inlet univentricular heart with persistent truncus arteriosus as a cause of death of a captive-bred, 2-day-old, female Sumatran orangutan (Pongo abelii), a critically endangered species.
View Article and Find Full Text PDFBackground: This report describes a case of solitary tracheal lymphoma in a 14-year-old alpaca mare.
Case Presentation: The alpaca was referred for dyspnea and inspiratory noise. The clinical examination included complete blood cell count, blood chemistry, endoscopy, ultrasound, radiographs, and computed tomography (CT).