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Aldh1a1

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https://www.readbyqxmd.com/read/28819442/interferon-%C3%AE-promotes-the-expression-of-cancer-stem-cell-markers-in-oral-squamous-cell-carcinoma
#1
Hailong Ma, Shufang Jin, Wenyi Yang, Zhuowei Tian, Shuli Liu, Yang Wang, Ge Zhou, Mei Zhao, Shalva Gvetadze, Zhiyuan Zhang, Jingzhou Hu
Objectives: IFNα can stimulate an antitumor immune response and has a direct inhibition on cancer cells. This study is to test whether IFNα can activate dormant cancer stem cell (CSC) in oral squamous cell carcinoma (OSCC) to facilitate their elimination by chemotherapy. Materials and methods: Nude mouse transplantation tumor model was established and administrated with IFNα and saline. The influence on CD44 and ALDH1A1 expression under IFNα treatment was detected by in vivo experiments. Flow cytometry, western blot, and immunofluorescence were used to detect the expression of CD44 and ALDH1A1 after INFa treatment in OSCC cell lines...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28811252/expression-of-alcam-cd166-and-pd-l1-cd274-independently-predicts-shorter-survival-in-malignant-pleural-mesothelioma
#2
Shingo Inaguma, Jerzy Lasota, Zengfeng Wang, Piotr Czapiewski, Renata Langfort, Janusz Rys, Joanna Szpor, Piotr Waloszczyk, Krzysztof Okoń, Wojciech Biernat, Hiroshi Ikeda, David S Schrump, Raffit Hassan, Markku Miettinen
Diffuse malignant mesothelioma of the pleura is a highly aggressive tumor typically associated with short survival. ALCAM (CD166), a type I transmembrane protein, is a member of the immunoglobulin superfamily. In normal cells, ALCAM regulates physiological processes such as angiogenesis and immune response. In cancer, it is associated with neoplastic progression, including invasion, migration, and metastasis. Furthermore, ALCAM is considered one of the cancer stem cell markers such as ALDH1 (ALDH1A1) and SALL4...
August 12, 2017: Human Pathology
https://www.readbyqxmd.com/read/28806395/rad6-promotes-dna-repair-and-stem-cell-signaling-in-ovarian-cancer-and-is-a-promising-therapeutic-target-to-prevent-and-treat-acquired-chemoresistance
#3
R R Somasagara, S M Spencer, K Tripathi, D W Clark, C Mani, L Madeira da Silva, J Scalici, H Kothayer, A D Westwell, R P Rocconi, K Palle
Ovarian cancer (OC) is the most deadly gynecological cancer and unlike most other neoplasms, survival rates for OC have not significantly improved in recent decades. We show that RAD6, an ubiquitin-conjugating enzyme, is significantly overexpressed in ovarian tumors and its expression increases in response to carboplatin chemotherapy. RAD6 expression correlated strongly with acquired chemoresistance and malignant behavior of OC cells, expression of stem cell genes and poor prognosis of OC patients, suggesting an important role for RAD6 in ovarian tumor progression...
August 14, 2017: Oncogene
https://www.readbyqxmd.com/read/28792511/aldehyde-dehydrogenase-1-aldh1-isoform-expression-and-potential-clinical-implications-in-hepatocellular-carcinoma
#4
Cheng-Kun Yang, Xiang-Kun Wang, Xi-Wen Liao, Chuang-Ye Han, Ting-Dong Yu, Wei Qin, Guang-Zhi Zhu, Hao Su, Long Yu, Xiao-Guang Liu, Si-Cong Lu, Zhi-Wei Chen, Zhen Liu, Ke-Tuan Huang, Zheng-Tao Liu, Yu Liang, Jian-Lu Huang, Kai-Yin Xiao, Min-Hao Peng, Cheryl Ann Winkle, Stephen J O'Brien, Tao Peng
Hepatocellular carcinoma (HCC) is one of the most prevalent and life-threatening malignancies worldwide. There are few diagnostic and prognostic biomarkers and druggable targets for HCC. Aldehyde dehydrogenase 1 (ALDH1) is a marker of stem cells in a variety of cancers, but the mRNA levels and prognostic value of ALDH1 isoforms in HCC patients remain unknown. In the present study, gene ontology annotation of the ALDH1 family was performed using the Database for Annotation, Visualization and Integrated Discovery (DAVID), and the gene pathway analsis was performed using GeneMANIA software...
2017: PloS One
https://www.readbyqxmd.com/read/28756208/activation-of-aldh1a1-in-mda-mb-468-breast-cancer-cells-that-over-express-cyp2j2-protects-against-paclitaxel-dependent-cell-death-mediated-by-reactive-oxygen-species
#5
Sarah E Allison, Yongjuan Chen, Nenad Petrovic, Jian Zhang, Kirsi Bourget, Peter I Mackenzie, Michael Murray
Cytochrome P450 2J2 (CYP2J2) expression is elevated in breast and other tumours, and is known to be protective against cytotoxic agents that may be used in cancer chemotherapy. This study evaluated the mechanisms by which MDA-MB-468 breast cancer cells that stably expressed CYP2J2 (MDA-2J2 cells) were protected against killing by the anti-cancer agent paclitaxel. Compared to control cells caspase-3/7 activation by paclitaxel was lower in MDA-2J2 cells, while cell proliferation and colony formation following paclitaxel treatment were increased...
July 27, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28737489/nfatc2-enhances-tumor-initiating-phenotypes-through-the-nfatc2-sox2-aldh-axis-in-lung-adenocarcinoma
#6
Zhi-Jie Xiao, Jing Liu, Si-Qi Wang, Yun Zhu, Xu-Yuan Gao, Vicky Pui-Chi Tin, Jing Qin, Jun-Wen Wang, Maria Pik Wong
Tumor initiating cells (TIC) are dynamic cancer cell subsets that display enhanced tumor functions and resilience to treatment but the mechanism of TIC induction or maintenance in lung cancer is not fully understood. In this study, we show the calcium pathway transcription factor NFATc2 is a novel regulator of lung TIC phenotypes, including tumorspheres, cell motility, tumorigenesis, as well as in vitro and in vivo responses to chemotherapy and targeted therapy. In human lung cancers, high NFATc2 expression predicted poor tumor differentiation, adverse recurrence-free and cancer-specific overall survivals...
July 24, 2017: ELife
https://www.readbyqxmd.com/read/28722353/auramine-o-an-incense-smoke-ingredient-promotes-lung-cancer-malignancy
#7
Jia-Chen Tung, Wei-Chien Huang, Juan-Cheng Yang, Guan-Yu Chen, Chi-Chen Fan, Yu-Chuan Chien, Pei-Shan Lin, Shih-Chun Candice Lung, Wei-Chao Chang
Burning incense to worship deities is a popular religious ritual in large parts of Asia, and is a popular custom affecting more than 1.5 billion adherents. Due to incomplete combustion, burning incense has been well recognized to generate airborne hazards to human health. However, the correlation between burning incense and lung cancer in epidemiological studies remains controversy. Therefore, we speculated that some unknown materials in incense smoke are involved in the initiation or progression of lung cancer...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28718514/aldehyde-dehydrogenase-1-a1-regulates-energy-metabolism-in-adipocytes-from-different-species
#8
Kefeng Yang, Christopher Adin, Qiwen Shen, Ly James Lee, Lianbo Yu, Paolo Fadda, Arpad Samogyi, Kathleen Ham, Lu Xu, Chen Gilor, Ouliana Ziouzenkova
BACKGROUND: Survival and longevity of xenotransplants depend on immune function and ability to integrate energy metabolism between cells from different species. However, mechanisms for interspecies cross talk in energy metabolism are not well understood. White adipose tissue stores energy and is capable of mobilization and dissipation of energy as heat (thermogenesis) by adipocytes expressing uncoupling protein 1 (Ucp1). Both pathways are under the control of vitamin A metabolizing enzymes...
July 17, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28706191/aldehyde-dehydrogenase-1-positive-nigrostriatal-dopaminergic-fibers-exhibit-distinct-projection-pattern-and-dopamine-release-dynamics-at-mouse-dorsal-striatum
#9
Carmelo Sgobio, Junbing Wu, Wang Zheng, Xi Chen, Jing Pan, Armando G Salinas, Margaret I Davis, David M Lovinger, Huaibin Cai
Aldehyde dehydrogenase 1 (ALDH1A1)-positive dopaminergic (DA) neurons at the ventral substantia nigra pars compacta (SNpc) preferentially degenerate in Parkinson's disease (PD). Their projection pattern and dopamine release properties, however, remains uncharacterized. Here we show that ALDH1A1-positive axons project predominantly to the rostral two-thirds of dorsal striatum. A portion of these axons converge on a small fraction of striosome compartments restricted to the dorsolateral striatum (DLS), where less dopamine release was measured compared to the adjacent matrix enriched with the ALDH1A1-negative axons...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698397/hinokitiol-up-regulates-mir-494-3p-to-suppress-bmi1-expression-and-inhibits-self-renewal-of-breast-cancer-stem-progenitor-cells
#10
Shih-Ming Chen, Bing-Yen Wang, Che-Hsin Lee, Hsueh-Te Lee, Jung-Jung Li, Guan-Ci Hong, Yu-Chieh Hung, Peng-Ju Chien, Che-Ying Chang, Li-Sung Hsu, Wen-Wei Chang
Hinokitiol (β-thujaplicin) is a tropolone-related compound that has anti-microbe, anti-inflammation, and anti-tumor effects. Cancer stem/progenitor cells (CSCs) are a subpopulation of cancer cells with tumor initiation, chemoresistant, and metastatic properties and have been considered the important therapeutic target in future cancer therapy. Previous studies reported that hinokitiol exhibits an anti-cancer activity against murine tumor cells through the induction of autophagy. The current research revealed that hinokitiol suppressed the self-renewal capabilities of human breast CSCs (BCSCs) and inhibited the expression of BMI1 at protein level without suppressing its mRNA...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28693170/prognostic-significance-of-abcb1-in-stage-i-lung-adenocarcinoma
#11
Fenfei Zou, Masahiro Seike, Rintaro Noro, Shinobu Kunugi, Kaoru Kubota, Akihiko Gemma
Cancer stem cell (CSC) properties have been recently proposed to explain tumor carcinogenesis and multidrug resistance in several human cancers, including non-small cell lung cancer (NSCLC). The present study examined the protein expression of three CSC-associated markers, namely ATP binding cassette subfamily B member 1 (ABCB1), aldehyde dehydrogenase 1 family member A1 (ALDH1A1) and cluster of differentiation (CD) 44, by immunohistochemistry in 194 NSCLC patients who underwent complete resection of NSCLC tumors...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28679528/moderate-alcohol-intake-induces-thermogenic-brown-beige-adipocyte-formation-via-elevating-retinoic-acid-signaling
#12
Bo Wang, Zhixiu Wang, Jeanene M de Avila, Mei-Jun Zhu, Faya Zhang, Noe Alberto Gomez, Liang Zhao, Qiyu Tian, Junxing Zhao, Joseph Maricelli, Hui Zhang, Buel D Rodgers, Min Du
Clinically, low and moderate alcohol intake improves human health with protection against metabolic syndromes, including type 2 diabetes; however, mechanisms that are associated with these effects remain to be elucidated. The aims of this study were to investigate the effects of moderate alcohol intake on thermogenic brown/beige adipocyte formation and glucose and lipid homeostasis, as well as the involvement of retinoic acid (RA) signaling in the entire process. C57BL6 male mice were supplemented with 8% (w/v) alcohol in water for 1 or 4 mo...
July 5, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28677722/regulation-of-retinoic-acid-synthetic-enzymes-by-wt1-and-hdac-inhibitors-in-293-cells
#13
Yifan Li, Lei Wang, Weipeng Ai, Nianhui He, Lin Zhang, Jihui Du, Yong Wang, Xingjian Mao, Junqi Ren, Dan Xu, Bei Zhou, Rong Li, Liwen Mai
All-trans retinoic acid (atRA), which is mainly generated endogenously via two steps of oxidation from vitamin A (retinol), plays an indispensible role in the development of the kidney and many other organs. Enzymes that catalyze the oxidation of retinol to generate atRA, including aldehyde dehydrogenase 1 family (ALDH1)A1, ALDH1A2 and ALDH1A3, exhibit complex expression patterns at different stages of renal development. However, molecular triggers that control these differential expression levels are poorly understood...
September 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28677037/suppression-of-a-cancer-stem-like-phenotype-mediated-by-alpha-lipoic-acid-in-human-lung-cancer-cells-through-down-regulation-of-%C3%AE-catenin-and-oct-4
#14
Preeyaporn Plaimee Phiboonchaiyanan, Pithi Chanvorachote
PURPOSE: Cancer stem cells (CSCs) that possess the ability of self-renewal and multi-potency have been shown to drive tumor progression and metastasis. The majority of recent studies has focused on potential molecules targeting CSCs so as to develop novel strategies for efficient cancer treatment or protection. Here, we show how alpha-lipoic acid (LA), an endogenous mitochondrial anti-oxidant, affects the CSC-like phenotypes of human non-small cell lung cancer-derived H23, H292 and H460 cells...
July 4, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28671577/silencing-of-nrf2-reduces-the-expression-of-aldh1a1-and-aldh3a1-and-sensitizes-to-5-fu-in-pancreatic-cancer-cells
#15
Hong-Quan Duong, Kyu Sic You, Seunghoon Oh, Sahng-June Kwak, Yeon-Sun Seong
Pancreatic cancer remains an intractable cancer with a poor five-year survival rate, which requires new therapeutic modalities based on the biology of pancreatic oncogenesis. Nuclear factor E2 related factor-2 (NRF2), a key cytoprotective nuclear transcription factor, regulates antioxidant production, reduction, detoxification and drug efflux proteins. It also plays an essential role in cell homeostasis, cell proliferation and resistance to chemotherapy. We aimed to evaluate the possibility that modulation of NRF2 expression could be effective in the treatment of pancreatic cancer cells...
July 1, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28645468/aldhs-in-normal-and-malignant-hematopoietic-cells-potential-new-avenues-for-treatment-of-aml-and-other-blood-cancers
#16
Maura Gasparetto, Clayton A Smith
Multiple studies have demonstrated that ALDH1A1 is elevated in hematopoietic stem cells (HSCs). As a means to better characterize such cells, we previously developed the fluorescent ALDH1A1 substrate Aldefluor to facilitate HSC identification and isolation. This has proven useful for counting and isolating HSCs from human bone marrow, peripheral blood and cord blood as well as stem cells in other tissues and organisms. Given the high level expression of ALDH1A1, we explored its biology and that of other ALDHs in HSCs and found that ALDH1A1 and ALDH3A1 were important in metabolizing reactive aldehydes (RAlds) and reactive oxygen species (ROS)...
June 20, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28607029/age-dependent-protein-abundance-of-cytosolic-alcohol-and-aldehyde-dehydrogenases-in-human-liver
#17
Deepak Kumar Bhatt, Andrea Gaedigk, Robin E Pearce, J Steven Leeder, Bhagwat Prasad
Hepatic cytosolic alcohol and aldehyde dehydrogenases (ADHs and ALDHs) catalyze the biotransformation of xenobiotics (e.g., cyclophosphamide and ethanol) and vitamin A. Because age-dependent hepatic abundance of these proteins is unknown, we quantified protein expression of ADHs and ALDH1A1 in a large cohort of pediatric and adult human livers by liquid chromatography coupled with tandem mass spectrometry proteomics. Purified proteins were used as calibrators. Two to three surrogate peptides per protein were quantified in trypsin digests of liver cytosolic samples and calibrator proteins under optimal conditions of reproducibility...
September 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28606761/inhibition-of-bromodomain-containing-protein-9-for-the-prevention-of-epigenetically-defined-drug-resistance
#18
Terry D Crawford, Steffan Vartanian, Alexandre Côté, Steve Bellon, Martin Duplessis, E Megan Flynn, Michael Hewitt, Hon-Ren Huang, James R Kiefer, Jeremy Murray, Christopher G Nasveschuk, Eneida Pardo, F Anthony Romero, Peter Sandy, Yong Tang, Alexander M Taylor, Vickie Tsui, Jian Wang, Shumei Wang, Laura Zawadzke, Brian K Albrecht, Steven R Magnuson, Andrea G Cochran, David Stokoe
Bromodomain-containing protein 9 (BRD9), an epigenetic "reader" of acetylated lysines on post-translationally modified histone proteins, is upregulated in multiple cancer cell lines. To assess the functional role of BRD9 in cancer cell lines, we identified a small-molecule inhibitor of the BRD9 bromodomain. Starting from a pyrrolopyridone lead, we used structure-based drug design to identify a potent and highly selective in vitro tool compound 11, (GNE-375). While this compound showed minimal effects in cell viability or gene expression assays, it showed remarkable potency in preventing the emergence of a drug tolerant population in EGFR mutant PC9 cells treated with EGFR inhibitors...
August 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28588718/renal-cell-carcinoma-with-synchronous-ipsilateral-urothelial-carcinoma-of-the-renal-pelvis
#19
Qun Lu, Junlong Zhuang, Hongqian Guo
The simultaneous occurrence of renal cell carcinoma (RCC) and urothelial carcinoma (UC) in the same kidney is extraordinarily rare, and is also known as multiple primary malignant tumors. The present study reports the case of a 76-year-old female with synchronous ipsilateral RCC and UC of the renal pelvis, who underwent operation, chemotherapy and reoperation when recurrence of RCC or UC was identified. Cluster of differentiation 44 (CD44) is one of the promising markers for identifying cancer stem cells in various solid tumors, along with aldehyde dehydrogenase 1 A1 (ALDH1A1)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28581514/aldh1a3-is-epigenetically-regulated-during-melanocyte-transformation-and-is-a-target-for-melanoma-treatment
#20
M Pérez-Alea, K McGrail, S Sánchez-Redondo, B Ferrer, G Fournet, J Cortés, E Muñoz, J Hernandez-Losa, S Tenbaum, G Martin, R Costello, I Ceylan, V Garcia-Patos, J A Recio
Despite the promising targeted and immune-based interventions in melanoma treatment, long-lasting responses are limited. Melanoma cells present an aberrant redox state that leads to the production of toxic aldehydes that must be converted into less reactive molecules. Targeting the detoxification machinery constitutes a novel therapeutic avenue for melanoma. Here, using 56 cell lines representing nine different tumor types, we demonstrate that melanoma cells exhibit a strong correlation between reactive oxygen species amounts and aldehyde dehydrogenase 1 (ALDH1) activity...
June 5, 2017: Oncogene
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