Hae-Yun Jung

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The tumor suppressor gene, TP53, is located on chromosome 17p13.1 and is critical for DNA repair, cell-cycle control, and apoptosis. TP53 also plays a crucial function in the tumorigenesis of lung cancer. Inactivation of TP53 via genetic alterations such as missense mutations is often associated with lung cancer. In this study, potential association of TP53(More)
BACKGROUND Epidermal growth factor receptor (EGFR) mutations as prognostic or predictive marker in patients with non-small cell lung cancer (NSCLC) have been used widely. However, it may be difficult to get tumor tissue for analyzing the status of EGFR mutation status in large proportion of patients with advanced disease. PATIENTS AND METHODS We obtained(More)
PURPOSE To identify the role of phosphatase and tensin homolog deleted on chromosome 10 (PTEN) during gamma-ionizing radiation (gamma-IR) treatment for non-small-cell lung cancer cells. METHODS AND MATERIALS Wild-type PTEN or mutant forms of PTEN plasmids were transfected to construct stable transfectants of the NCI-H1299 non-small-cell lung cancer cell(More)
PURPOSE c-Met is an attractive potential target for novel therapeutic inhibition of human cancer, and c-Met tyrosine kinase inhibitors (TKIs) are effective growth inhibitors of various malignancies. However, their mechanisms in anticancer effects are not clear. In the present study, we investigated the possibility that blocking c-Met signaling induces(More)
PURPOSE The RAS association domain family protein 1 (RASSF1) has been implicated in a tumor-suppressive function through the induction of acetylated α-tubulin and modulation of cell migration. However, the mechanisms of how RASSF1A is associated with acetylation of α-tubulin for controlling cell migration have not yet been elucidated. In this study, we(More)
BACKGROUND Tumor suppressor gene product RASSF1A has been reported to induce mitotic arrest and apoptosis through its interaction with microtubule and binding to the Ras effector NORE1. Despite this promising antitumor action of microtubule-targeted drugs, clinical studies demonstrated that paclitaxel (TXL) and vincristine (VCS) have differential antitumor(More)
Retinoic acid (RA) is an important regulator of normal cellular proliferation and differentiation and suppressor of tumor growth by cell cycle arrest and apoptosis. Furthermore, RA showed a chemo-preventive activity in preclinical and/or clinical models of lung, head and neck, breast, and hepatocellular carcinoma (HCC). In this study, we examined the effect(More)
BACKGROUND/AIM This study examined whether the polymorphisms at the promoter region of RET gene are associated with the risk of lung cancer in the Korean population. PATIENTS AND METHODS A total of 409 Korean lung cancer patients and 409 normal subjects were recruited. PCR-RFLP, SNaP Shot assay and logistic regression analyses were performed to(More)
PURPOSE The genetic alteration of the janus kinases (JAKs), non-receptor tyrosine kinase, is related to the development of human cancers. However, little is known about how the sequence variation of JAK3 contributes to the development of lung cancer. This study investigated whether polymorphisms at the promoter region of the JAK3 gene are associated with(More)
The fragile histidine triad (FHIT), which was located on chromosome 3p14.2, was currently considered a promising candidate for a tumor suppressor gene. FHIT performed a crucial function in the tumorigenesis of lung cancer. The inactivation of FHIT via genetic alterations, including the chromosomal deletions and aberrant transcription, are often associated(More)
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