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Aldh1a1

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https://www.readbyqxmd.com/read/28919001/pharmacological-inhibition-of-aldh1a-enzymes-suppresses-weight-gain-in-a-mouse-model-of-diet-induced-obesity
#1
Michael Haenisch, Piper M Treuting, Thea Brabb, Alex S Goldstein, Kathryn Berkseth, John K Amory, Jisun Paik
BACKGROUND: Retinoic acid (RA) is known to play a role in weight regulation. Because mice without ALDH1A1, a major RA synthesizing enzyme, are resistant to diet-induced obesity, we tested a hypothesis that pharmacological inhibition of RA synthesis can suppress weight gain in a murine model of diet-induced obesity. METHODS: C57BL/6J male mice were fed a high fat diet (HFD) for 8 weeks to induce obesity and then randomized to a HFD with or without WIN 18,446, an RA synthesis inhibitor, for an additional 9 weeks...
September 11, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28912540/sox9-regulates-cancer-stem-like-properties-and-metastatic-potential-of-single-walled-carbon-nanotube-exposed-cells
#2
Maria A Voronkova, Sudjit Luanpitpong, Liying Wang Rojanasakul, Vincent Castranova, Cerasela Zoica Dinu, Heimo Riedel, Yon Rojanasakul
Engineered nanomaterials hold great promise for the future development of innovative products but their adverse health effects are a major concern. Recent studies have indicated that certain nanomaterials, including carbon nanotubes (CNTs), may be carcinogenic. However, the underlying mechanisms behind their potential malignant properties remain unclear. In this study, we linked SOX9, a stem cell associated transcription factor, to the neoplastic-like properties of human lung epithelial cells chronically exposed to a low-dose of single-walled carbon nanotubes (SWCNTs)...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28881356/aldehyde-dehydrogenase-1b1-a-novel-immunohistological-marker-for-colorectal-cancer
#3
Akiko Matsumoto, John Arcaroli, Ying Chen, Maura Gasparetto, Veronique Neumeister, David C Thompson, Surendra Singh, Clayton Smith, Wells Messersmith, Vasilis Vasiliou
BACKGROUND: Aldehyde dehydrogenase (ALDH) 1A1 is an immunohistological biomarker of various solid tumours, but has not been successfully proved as a colorectal cancer (CRC) marker. We recently reported that ALDH1B1, which has functional roles in tumourigenesis, may be a better CRC marker than ALDH1A1. METHODS: Human CRC explants and cell lines were analysed to identify candidate CRC markers from eight ALDH isozymes including ALDH1A1 and ALDH1B1. A tissue microarray, including paired specimens of normal and tumour tissues, was subsequently analysed to determine if candidate ALDHs could distinguish CRC from normal tissue...
September 7, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28861158/fl118-a-novel-survivin-inhibitor-wins-the-battle-against-drug-resistant-and-metastatic-lung-cancers-through-inhibition-of-cancer-stem-cell-like-properties
#4
Jin Wang, Zhantao Liu, Dandan Zhang, Ranran Liu, Qian Lin, Jia Liu, Zhihong Yang, Qingxia Ma, Dantong Sun, Xin Zhou, Guohui Jiang
Failure of cancer treatment caused by drug resistance and metastasis is mainly due to existence of cancer stem cells (CSCs). Therefore, targeting CSCs to overcome cancers is a challenging issue in clinic. In this report, in view of the important role of survivin in tumor growth and CSCs maintaining, we aimed to confirm that FL118, as a novel survivin inhibitor, may effectively inhibit lung cancer stem cells. We showed that lung cancer stem cells have the obviously higher expression of survivin than their parental cells...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28851663/aldehyde-dehydrogenase-1-aldh1a1-expression-by-immunohistochemistry-is-associated-with-chemo-refractoriness-in-patients-with-high-grade-ovarian-serous-carcinoma
#5
Madhuchhanda Roy, Joseph Connor, Ahmed Al-Niaimi, Stephen L Rose, Aparna Mahajan
Aldehyde dehydrogenase-1A1 (ALDH1A1), CD133, CD44, and CD24 have been reported as cancer stem cell markers in ovarian cancers. The goal of our study was to assess the prognostic significance of these markers in patients with advanced serous ovarian cancer. Formalin-fixed, paraffin-embedded tissues from 347 ovarian cancer were used to construct a microarray. Immunohistochemical studies for ALDH1A1, CD133, CD44, and CD24 were performed and scored semiquantitatively by two pathologists based on intensity and percent of positive immunoreactive cells...
August 26, 2017: Human Pathology
https://www.readbyqxmd.com/read/28851411/tissue-based-associations-of-mammographic-breast-density-with-breast-stem-cell-markers
#6
Lusine Yaghjyan, Ethan Stoll, Karthik Ghosh, Christopher G Scott, Matthew R Jensen, Kathleen R Brandt, Daniel Visscher, Celine M Vachon
BACKGROUND: Mammographic breast density is a well-established, strong breast cancer risk factor but the biology underlying this association remains unclear. Breast density may reflect underlying alterations in the size and activity of the breast stem cell pool. We examined, for the first time, associations of CD44, CD24, and aldehyde dehydrogenase family 1 member A1 (ALDH1A1) breast stem cell markers with breast density. METHODS: We included in this study 64 asymptomatic healthy women who previously volunteered for a unique biopsy study of normal breast tissue at the Mayo Clinic (2006-2008)...
August 29, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28830450/microrna-218-functions-as-a-tumor-suppressor-in-lung-cancer-by-targeting-il-6-stat3-and-negatively-correlates-with-poor-prognosis
#7
Yan Yang, Lili Ding, Qun Hu, Jia Xia, Junjie Sun, Xudong Wang, Hua Xiong, Deepak Gurbani, Lianbo Li, Yan Liu, Aiguo Liu
BACKGROUND: Aberrant expression of microRNAs in different human cancer types has been widely reported. MiR-218 acts as a tumor suppressor in diverse human cancer types impacting regulation of multiple genes in oncogenic pathways. Here, we evaluated the expression and function of miR-218 in human lung cancer and ALDH positive lung cancer cells to understand the potential mechanisms responsible for disease pathology. Also, the association between its host genes and the target genes could be useful towards the better understanding of prognosis in clinical settings...
August 22, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28828965/3-4-dihydroxyphenylacetic-acid-is-a-potential-aldehyde-dehydrogenase-inducer-in-murine-hepatoma-hepa1c1c7-cells
#8
Yujia Liu, Ayuki Kurita, Sayaka Nakashima, Beiwei Zhu, Shintaro Munemasa, Toshiyuki Nakamura, Yoshiyuki Murata, Yoshimasa Nakamura
3,4-Dihydroxyphenylacetic acid (DOPAC) is one of the major colonic microflora-produced catabolites of quercetin glycosides, such as quercetin 4'-glucoside derived from onion. Here, we investigated whether DOPAC modulates the aldehyde dehydrogenase (ALDH) activity and protects the cells from the acetaldehyde-induced cytotoxicity in vitro. DOPAC was shown to enhance not only the total ALDH activity, but also the gene expression of ALDH1A1, ALDH2 and ALDH3A1 in a concentration-dependent manner. DOPAC simultaneously stimulated the nuclear translocation of NFE2-related factor 2 and aryl hydrocarbon receptor...
August 22, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28821405/benzyl-isothiocyanate-ameliorates-acetaldehyde-induced-cytotoxicity-by-enhancing-aldehyde-dehydrogenase-activity-in-murine-hepatoma-hepa1c1c7-cells
#9
Yujia Liu, Momoko Yamanaka, Naomi Abe-Kanoh, Xiaoyang Liu, Beiwei Zhu, Shintaro Munemasa, Toshiyuki Nakamura, Yoshiyuki Murata, Yoshimasa Nakamura
In the present study, we assessed benzyl isothiocyanate (BITC), an organosulfur compound from cruciferous vegetables, as a potential inducer of aldehyde dehydrogenase (ALDH) activity using murine hepatoma Hepa1c1c7 cells. BITC was shown to enhance not only the total ALDH activity, but also the ALDH activity of the cytosolic/microsomal and mitochondrial fraction. BITC also significantly increased the gene and protein expression of ALDH1A1, ALDH2 and ALDH3A1 in a concentration-dependent manner. Simultaneously, the gene expression of phase 2 drug-metabolizing enzymes, such as NAD(P)H: quinone oxidoreductase 1 and heme oxygenase-1, was increased by the BITC treatment...
August 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28819442/interferon-%C3%AE-promotes-the-expression-of-cancer-stem-cell-markers-in-oral-squamous-cell-carcinoma
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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...
September 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
#18
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
#19
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
#20
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
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