This gene encodes a tumor suppressor protein that is ubiquitously expressed in normal tissues. In uveal melanomas, expression of this protein is silenced in rapidly metastasizing and metastatic tumor cells but has normal expression in slowly metastasizing or nonmetastasizing tumor cells. This protein may have a role in cell-cycle control by interacting with the Cdk1/cyclinB1 complex. This gene is located on chromosomal region 8p22. Loss of heterozygosity (LOH) in the 8p arm is a common characteristic of many types of cancer.
Background References
1. Li W et al. Increased LZTS1 expression is associated with a good response to paclitaxel-based chemotherapy in breast cancer. Pathol Res Pract. 2022 Jun
2. Wu H et al. LncRNA LZTS1-AS1 induces proliferation, metastasis and inhibits autophagy of pancreatic cancer cells through the miR-532 /TWIST1 signaling pathway. Cancer Cell Int. 2023 Jul
Western blot analysis of LZTS1 / FEZ1 on different lysates with Rabbit anti-LZTS1 / FEZ1 antibody (HA500531) at 1/1,000 dilution.
Lane 1: Jurkat cell lysate (20 µg/Lane) Lane 2: 293T cell lysate (20 µg/Lane) Lane 3: Human brain tissue lysate (40 µg/Lane) Lane 4: Mouse brain tissue lysate (40 µg/Lane) Lane 5: Rat brain tissue lysate (40 µg/Lane)
Predicted band size: 67 kDa Observed band size: 67 kDa
Exposure time: 2 minutes;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA500531) at 1/1,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
Immunocytochemistry analysis of Jurkat cells labeling LZTS1 / FEZ1 with Rabbit anti-LZTS1 / FEZ1 antibody (HA500531) at 1/100 dilution.
Cells were fixed in 80% precooled methanol for 5 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Rabbit anti-LZTS1 / FEZ1 antibody (HA500531) at 1/100 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (M1305-2, red) was stained at 1/100 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution.
Immunohistochemical analysis of paraffin-embedded human brain tissue with Rabbit anti-LZTS1 / FEZ1 antibody (HA500531) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA500531) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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