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Kaposi's sarcoma-associated herpesvirus latency-associated nuclear antigen (LANA) tethers viral terminal repeat (TR) DNA to mitotic chromosomes to mediate episome persistence. The 1,162-amino-acid LANA protein contains both N- and C-terminal chromosome attachment regions. The LANA C-terminal domain
Open reading frame 45 (ORF45) of Kaposi's sarcoma-associated herpesvirus 8 (KSHV) is an immediate-early phosphorylated tegument protein and has been shown to play important roles at both early and late stages of viral infection. Homologues of ORF45 exist only in gammaherpesviruses, and their
All retrovirus proteases (PRs) are homodimers, and dimerization is essential for enzymatic function. The dimer is held together largely by a short four-stranded antiparallel beta sheet composed of the four or five N-terminal amino acid residues and a similar stretch of residues from the C terminus.
This paper describes a primary extraskeletal osteogenic sarcoma arising in the spleen of an 11-year-old, male, cross-bred Terrier. Initial diagnosis was made after surgical removal of a splenic mass, at which time the liver and other abdominal viscera appeared grossly normal. However, elevations in
A 72-year-old man who underwent pazopanib therapy for soft-tissue sarcoma in the left leg was referred to our department because of elevated levels of liver enzymes. Laboratory tests showed high alanine aminotransferase, alkaline phosphatase, and total bilirubin levels. He was treated with
Background: Lorvotuzumab mertansine (IMGN901) is an antibody-drug conjugate linking an antimitotic agent (DM1) to an anti-CD56 antibody (lorvotuzumab). Preclinical efficacy has been noted in Wilms tumor, rhabdomyosarcoma, and
Kaposi sarcoma Herpes virus (KSHV), also known as human Herpes virus 8 (HHV8), can persist as episome in target cells. The latency-associated nuclear antigen 1 (LANA-1) is a key component of the latency process, and may be a functional equivalent of the EBNA-1 protein of Epstein-Barr virus. EBNA-1
The antitumor activity of 5-fluorouracil (FUra) against ascites Sarcoma 180 was significantly enhanced by coadministration of guanosine, and slightly by adenosine, but not by cytidine or uridine. In advanced ascites Sarcoma 180, guanosine also enhanced the action of FUra, but adenosine, uridine, and
Antineoplastic effects of carnosine (CAR) and beta-alanine (ALA), were examined in vivo using ddY mice implanted with the solid tumor Sarcoma-180. The sarcoma was treated with trypsin, 10(5) cells were implanted subcutaneously in the back of the animals, and CAR and ALA were administered
Kaposi Sarcoma (KS) is driven by human herpes virus 8 causing vascular proliferation which is induced by loss of immune function most often due to HIV or immunosuppressants. KS occurs with increased incidence in kidney transplant recipients, but rarely is disseminated. We report a 64-year-old male