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Expression of alpha9 acetylcholine receptor (AChR) mRNA was studied by in situ hybridization in the rat adult and developing cochlea and vestibular inner ear. Alpha9 AChR mRNA was first observed in cochlear hair cells (HCs) at embryonic day 18 (E18), increased markedly after birth, stayed high until postnatal day 10 (P10), and decreased to substantially(More)
Ets-1 is a cellular homologue of the product of the viral ets oncogene of the E26 virus, and it functions as a tissue-specific transcription factor. It plays an important role in cell proliferation, differentiation, lymphoid cell development, transformation, angiogenesis, and apoptosis. Ets-1 controls the expression of critical genes involved in these(More)
Primary TNBCs are treated as if they were a single disease entity, yet it is clear they do not behave as a single entity in response to current therapies. Recently, we reported that statins might have a potential benefit for TNBCs associated with ets-1 overexpression. The aim of this study is to investigate the role of PTEN loss in the effects of statin on(More)
The purpose of this study was to quantify the type and amount of myosin heavy chain (MHC) mRNA within muscles of different developmental origins to determine whether the regulation of gene expression is comparable. Seven MHC isoforms were analyzed in rat adult limb (extensor digitorum longus, tibialis anterior, and soleus) and nonlimb (extraocular,(More)
Activation of epidermal growth factor receptor (EGFR)-induced signaling pathways has been correlated with tumor progression, invasion and metastasis in a variety of cancers including breast carcinoma, but the underlying mechanism is not well understood. Matrix metalloproteinases (MMPs) have been implicated in cancer invasion and metastasis for their(More)
The human epidermal growth factor receptor-2 (HER2) plays an important role in breast cancer. Enhanced Ets-1 activity has recently been shown to be associated with breast cancer pathogenesis. To test the role of Ets-1 in breast cancer cells in relation to the expression of HER2 and MMP-1, we transiently overexpressed Ets-1 and/or HER2 in MCF-7 breast cancer(More)
PURPOSE TP53, the most frequently mutated gene in breast cancer, is more frequently altered in HER2-enriched and basal-like breast cancer. However, no studies have clarified the role of TP53 status as a prognostic and predictive marker of triple-negative breast cancer (TNBC). MATERIALS AND METHODS We performed p53 immunohistochemistry (IHC), nCounter mRNA(More)
Based on reactivity to antibodies against known myosin heavy chains, expression of a novel fast myosin heavy chain (MHC) gene was suspected in the thyroarytenoid (TA) muscle of the rat larynx. The 3' ends of MHC transcripts in the TA were amplified by RT-PCR using a primer to a highly conserved MHC sequence and to the poly(A) tail. The resultant products(More)
In women with metastatic breast cancer (MBC), introduction of the anti-HER2 (human epidermal growth factor receptor-2) directed therapies including trastuzumab, pertuzumab, lapatinib, and/or trastuzumab-DM1 has markedly improved overall survival. However, not all cases of HER2-positive breast tumours derive similar benefit from HER2-directed therapy, and a(More)
Activated monocyte-macrophages have been implicated in tumor angiogenesis via their capacity to produce many potent angiogenic factors. However, the mechanisms leading to production of these angiogenic factors in macrophages remain to be elucidated. In this study, we demonstrated by use of a mouse Matrigel implantation model that mouse peritoneal(More)