Unterrainer, M., Eze, C., Ilhan, H., Marschner, S., Roengvoraphoj, O., Schmidt-Hegemann, N.S., Walter, F., Kunz, W.G., Rosenschold, P.M.A., Jeraj, R., Albert, N.L., Grosu, A.L., Niyazi, M., Bartenstein, P. and Belka, C. (2020) Recent Advances of PET Imaging in Clinical Radiation Oncology. Radiation Oncology, 15, Article No. 88.
https://doi.org/10.1186/s13014-020-01519-1

has been cited by the following article:

• TITLE: Labeling of Anti-SAS1B with Zirconium-89 as a Novel Immune-PET Probe for Uterine Cancer Imaging

  AUTHORS: Nouri Elmekharam, Sundaresan Gobalakrishnan, Celina Thadigiri, Li Wang, Ali Gawi, Jamal Zweit

  KEYWORDS: SAS1B, Radio-Labeling, Zirconium-89, Uterine Cancer

  JOURNAL NAME: Journal of Biosciences and Medicines, Vol.9 No.11, November 10, 2021

  ABSTRACT: Overexpression of Sperm Acrosomal SLLP1 Binding protein (SAS1B) in various cancer types, including uterine cancer cells, was discovered a few years ago, and different monoclonal antibodies (anti-SAS1B) that specifically bind to SAS1B antigens were developed. Labeling of these antibodies with radionuclides can provide an opportunity for imaging and radioimmunotherapy. The objective of this study was to label anti-SAS1B (SB5) with Zirconium-89 (89Zr) for PET imaging and determine its biodistribution. Anti-SAS1B (SB5) antibody was labeled with 89Zr indirectly using the chelator desferrioxamine B (DFO), which is currently a best linker for 89Zr. The antibody, SB5, was first conjugated to DFO with a ratio of 1:5 and then labeled with 250 μCi of 89Zr. Results of PET imaging in mouse-bearing uterine cancer tumor showed a limited uptake. The bio-distribution study matched the PET imaging and confirmed the uptake by the tumor, and the accumulation in bones. In conclusion, labeling of anti-SAS1B could provide an effective way of uterine cancer detection and treatment progression.