KIN8B Antibody
Description
KIF18B Antibody in Cancer Research
KIF18B is a microtubule-dependent motor protein involved in mitotic progression. Recent studies highlight its role in immune evasion and epithelial-mesenchymal transition (EMT) in nasopharyngeal carcinoma (NPC):
Key Findings from Multi-Omics Analysis :
-
Prognostic Value: Elevated KIF18B expression correlates with advanced tumor stage (T3/T4), lymph node metastasis (N2/N3), and poor survival outcomes (HR = 1.82, p < 0.001).
-
Immune Suppression: High KIF18B expression is associated with increased infiltration of regulatory T cells (Tregs) (R = 0.631, p = 0.003), which inhibit antitumor immunity.
-
Therapeutic Resistance: KIF18B modulates sensitivity to chemotherapy (e.g., cisplatin) and radiotherapy through EMT pathways.
Table 1: KIF18B-Associated Immune Microenvironment Changes
| Parameter | High KIF18B Group | Low KIF18B Group | p-Value |
|---|---|---|---|
| Tregs Infiltration (%) | 22.4 ± 3.1 | 8.7 ± 1.9 | <0.001 |
| CD8+ T Cells (%) | 9.1 ± 2.4 | 18.6 ± 3.7 | 0.002 |
| Stromal Score (ESTIMATE) | 1,245 ± 198 | 892 ± 156 | 0.012 |
KIF3B Antibody in Functional Studies
KIF3B is a component of the kinesin-2 complex critical for intracellular transport. The anti-KIF3B antibody (ab89278) has been validated for Western blot (WB) applications :
Experimental Validation :
-
Target Specificity: Detects endogenous KIF3B at ~85 kDa in HeLa and 293T cell lysates.
-
Applications:
-
WB: 1 μg/mL dilution recommended.
-
No cross-reactivity observed in non-transfected controls.
-
Antibody Development Platforms
While not specific to KIN8B/KIF antibodies, advanced epitope analysis methods like Epitope Binning-seq (source ) and mAb production workflows (source ) provide frameworks for characterizing antibody specificity:
Table 2: Performance of Epitope Binning-seq
| Parameter | Result |
|---|---|
| qAbs Analyzed Simultaneously | >1 million |
| Epitope Binning Accuracy | 94.3% (14/15 model antibodies) |
| Detection Sensitivity | Clones at 0.01% abundance |
Technical Considerations in Antibody Validation
-
Gene Rearrangement: Antibody diversity arises from V(D)J recombination in B cells, enabling recognition of ~10^11 unique antigens .
-
Class Switching: Post-activation, B cells shift from IgM/IgD to IgG/IgA/IgE via cytokine-driven DNA recombination (source ).
Gaps and Recommendations
The absence of "KIN8B Antibody" in current literature suggests:
-
Terminology Clarification: Confirm whether the target is KIF18B, KIF3B, or another kinesin family member.
-
Antibody Validation: Use platforms like Kinex™ arrays (source ) or Epitope Binning-seq (source ) for proteomic profiling.
-
Functional Assays: Pair antibody detection with immune infiltration analysis (e.g., CIBERSORT, ESTIMATE) to assess biological impact .
Product Specs
Composition: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
