Secretory Kin17 is Correlated with Chemoresistance in Oral Squamous Cell Carcinoma
Bibliographic record
Abstract
Purpose: Kin17 is a conserved nuclear protein that participates in DNA damage repair, DNA replication and cell proliferation. Several reports have linked Kin17 to tumor progression. However, the role of Kin17 in oral squamous cell carcinoma (OSCC) has not yet been described. The aims of this study were to assess Kin17 transcript and protein expression in OSCC and to evaluate an association for this protein with chemoresistance. Methods: Kin17 expression in OSCC tissues and OSCC cell lines was measured by standardized immunohistochemistry, western blotting and semi-quantitative RT-PCR. Secretory Kin17 protein was measured in serum samples and cell culture conditioned media. A recombinant Kin17 protein was purified and used in a chemoresistance assay. Results: Kin17 was identified as an unconventional secretory protein, whose expression levels were correlated with chemotherapy and chemoresistance in OSCC. Kin17 protein expression was up-regulated in patients exhibiting chemoresistance. Serum Kin17 levels were significantly increased in patients receiving chemotherapy. We provide evidence that the secretory Kin17 protein plays a role in the DNA damage response in OSCC. Furthermore, we also show that the secretory Kin17 protein enhances the chemoresistance of OSCC cells and increases the expression of multidrug resistant genes. Conclusion:To our knowledge, this is the first report of Kin17 being characterized as a secretory protein. This novel role for Kin17 may have implications for studying the chemoresistance process in OSCC. The effective inhibition of Kin17 secretion may improve or prolong chemotherapeutic effects, making it an attractive therapeutic target candidate for further study.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".