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Hypoxia-inducible factor-1 (HIF-1) consists of two subunits, the HIF-1β, which is constitutively expressed, and HIF-1α, which is oxygen-responsive. HIF-1α is over-expressed in response to hypoxia, increasing transcriptional activity linked to tumor progression, angiogenesis, metastasis, and invasion. This study aimed to demonstrate that the natural(More)
Transmembrane-4-L6 family 1 (TM4SF1) is upregulated in colorectal carcinoma (CRC). However, the mechanism leading to inhibition of the TM4SF1 is not known. In the present study, we investigated the regulation of TM4SF1 and function of microRNAs (miRNAs) in CRC invasion and metastasis. We analyzed 60 colon cancers and paired normal specimens for TM4SF1 and(More)
Transferrin receptor (TfR) is highly expressed on rapidly dividing inflammatory cells, but not in nonproliferating cells. We investigated whether scintigraphic imaging using 99mTechnetium-radiolabeled transferrin (99mTc–Tf) is useful for early detection of synovial inflammation of collagen-induced arthritis (CIA) mouse. 99mTc–Tf conjugate was synthesized to(More)
BACKGROUND/AIMS Parthenolide (PT), a principle component derived from feverfew (Tanacetum parthenium), is a promising anticancer agent and has been shown to promote apoptotic cell death in various cancer cells. In this study, we focused on its functional role in apoptosis, migration, and invasion of human colorectal cancer (CRC) cells. METHODS SW620 cells(More)
Activation of hypoxia-inducible factor 1α (HIF‑1α) is frequently observed in solid tumors and it has been associated with various pathophysiological processes, including epithelial‑mesenchymal transition (EMT). Previously, we reported that parthenolide (PT), an inhibitor of nuclear factor-κB (NF-κB), is a promising anticancer agent because it promotes(More)
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