نتایج جستجو برای: gli1
تعداد نتایج: 1131 فیلتر نتایج به سال:
The GLI transcription factors, GLI1, GLI2, and GLI3, transduce Hedgehog and non-hedgehog signals and are involved in regulating development and tumorgenesis. Surprisingly, they were recently found to modulate important functions of mature liver. However, less is known about their mutual interactions and possible target genes in mature hepatocytes. To get a deeper insight into these interactions...
C-terminal binding protein 2 (CtBP2) is a transcriptional co-repressor that promotes cancer cell migration and invasion by inhibiting multiple tumor suppressor genes that contribute to cell mobility and adhesion. In this investigation, we showed thatCtBP2 expression was increased significantly in HCC tissues when compared to matched normal adjacent liver tissues. We also showed that CtBP2 expre...
Constitutive Hedgehog (HH) signaling underlies several human tumors, including basal cell carcinoma (BCC). Recently, Bijlsma and colleagues reported a new biologic function for vitamin D3 in suppressing HH signaling in an in vitro model system. On the basis of that work, we have assessed effects of vitamin D3 on HH signaling and proliferation of murine BCCs in vitro and in vivo. We find that in...
The morphogen and mitogen Sonic Hedgehog (Shh) activates a Gli1-dependent transcription program that drives proliferation of granule neuron progenitors (GNP) within the external germinal layer of the postnatally developing cerebellum. Medulloblastomas with mutations activating the Shh signaling pathway preferentially arise within the external germinal layer, and the tumor cells closely resemble...
BACKGROUND/AIM Thymic epithelial tumors (TET) are rare. Wingless and INT (WNT), NOTCH and sonic hedgehog pathway interactions between thymocytes and thymic stroma are important to thymus and T-cell development. We analyzed a thymoma tissue microarray (TMA) for glioma associated oncogene homolog 1 (GLI1), NOTCH1 and catenin (cadherin-associated protein, beta 1) (CTNNB1) expression as surrogate m...
Hedgehog(HH) pathway is found to be activated through a manner of canonical, or the non-canonical HH pathways. Distinct hyperplasia stroma around tumor cells is supposed to express pro-inflammatory cytokines abundantly, such as tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β), etc. in pancreatic ductal adenocarcinoma (PDAC) tissues. In this study we observed the effects of TNF-α and I...
Anti-estrogen treatment, exemplified by tamoxifen, is a well-established adjuvant therapy for estrogen receptor alpha (ERα)-positive breast cancer. However, the effectiveness of this drug is limited due to the development of resistance. The Hedgehog (HH) signaling pathway is critical in embryonic development, and aberrant activation of this transduction cascade is linked to various malignancies...
BACKGROUND Recent evidence links aberrant activation of Hedgehog (Hh) signaling with the pathogenesis of several cancers including medulloblastoma, basal cell, small cell lung, pancreatic, prostate and ovarian. This investigation was designed to determine if inhibition of this pathway could inhibit serous ovarian cancer growth. METHODOLOGY We utilized an in vivo pre-clinical model of serous o...
BACKGROUND Researchers in recent studies have reported that the sonic hedgehog (Shh) signaling pathway plays a crucial role during tumorigenesis, angiogenesis and cellular differentiation. We investigated the clinical and pathological significances of the Shh pathway and of its lymphangiogenic components in non-small-cell lung cancer (NSCLC), namely, Shh, glioma-associated oncogene homolog zinc...
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