نتایج جستجو برای: aldh1
تعداد نتایج: 474 فیلتر نتایج به سال:
ALDH1 is a crucial element in the retinoic acid signaling pathway regulating the self-renewal and differentiation of normal stem cells, and may play an important role in cancer progression. However, research on ALDH1 gene expression and breast cancer prognosis has yielded conflicting results. We evaluated the association between tumor tissue ALDH1A1/ALDH1A3 mRNA expression and triple-negative b...
BACKGROUND High expression of aldehyde dehydrogenase 1 (ALDH1) has been confirmed in many tumors. This enzyme plays an important role in tumor proliferation, metastasis, and drug resistance. However, in the case of papillary thyroid carcinoma (PTC), the relationship between ALDH1 expression and prognosis remains unknown. METHOD We used tissue microarrays to evaluate ALDH1A1 expression in 247 ...
We reported previously that increased expression of aldehyde dehydrogenase 1 (ALDH1) in multiple myeloma (MM) is a marker of tumor-initiating cells (TICs) that is further associated with chromosomal instability (CIN). Here we demonstrate that member A1 of the ALDH1 family of proteins, ALDH1A1, is most abundantly expressed in myeloma. Enforced expression of ALDH1A1 in myeloma cells led to increa...
In alcohol metabolism, acetaldehyde, a highly reactive intermediate that may cause cellular and DNA damages, is converted to acetate by mitochondrial aldehyde dehydrogenase ALDH2. Although the majority of ingested alcohol is eliminated in the liver, the first-pass metabolism of ethanol in the upper digestive tract is also important for prevention and management of ethanol-related gastrointestin...
Traditionally, it was presumed that gastric cancer was derived from tumor cells with stem‑like properties. In the present study, stem‑like cells from the gastric cancer cell lines MKN45 and SGC7901 were enriched by growing them as spheres in a defined serum‑free medium. Following enrichment for stem‑like cells, cluster of differentiation (CD)24 and CD44 were applied as candidate stem cell marke...
Cancer stem-like cells (CSC) have been widely studied, but their clinical relevance has yet to be established in breast cancer. Here, we report the establishment of primary breast tumor-derived xenografts (PDX) that encompass the main diversity of human breast cancer and retain the major clinicopathologic features of primary tumors. Successful engraftment was correlated with the presence of ALD...
Cancer stem-like cells (CSCs)/cancer-initiating cells (CICs) are small sub-population of cancer cells that are endowed with higher tumor-initiating ability, self-renewal ability and differentiation ability. CSCs/CICs could be isolated as high aldehyde dehydrogenase 1 activity cells (ALDH1high) from various cancer samples. In this study, we isolated urothelial carcinoma CSCs/CICs as ALDHhigh cel...
There is a lack of predictive biomarkers that can identify patients with head and neck squamous cell carcinoma (HNSCC) who will experience treatment failure and develop drug resistance, recurrence, and metastases. Cancer stem-like cells (CSC) were identified as a subset of cells within the tumor in a variety of solid tumors including HNSCC. CSC are considered the tumor-initiating population res...
Lin28, a key factor for cellular reprogramming and generation of induced pluripotent stem cell (iPSC), makes a critical contribution to tumorigenicity by suppressing Let-7. However, it is unclear whether Lin28 is involved in regulating cancer stem-like cells (CSC), including in oral squamous carcinoma cells (OSCC). In this study, we demonstrate a correlation between high levels of Lin28B, Oct4,...
Recent evidence suggests that pancreatic cancer and other solid tumors contain a subset of tumorigenic cells capable of extensive self-renewal that contribute to metastasis and treatment resistance. Sorafenib (SO) is a promising new multikinase inhibitor for treatment of advanced kidney and liver cancers. We report here targeting of pancreatic cancer stem cells (CSC) by SO and the development o...
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