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Aldehyde dehydrogenase

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https://www.readbyqxmd.com/read/28731185/snail-maintains-metastatic-potential-cancer-stem-like-properties-and-chemoresistance-in-mesenchymal-mouse-breast-cancer-tubo%C3%A2-p2j-cells
#1
Sun Young Ma, Jin-Hee Park, Hana Jung, Sung-Min Ha, Yeonye Kim, Dong Hyen Park, Deuk Hee Lee, Sooyong Lee, In-Ho Chu, So Young Jung, Il-Hwan Kim, Il-Whan Choi, Chang Soo Choi, Saegwang Park
Snail, a zinc-finger transcriptional repressor of E-cadherin expression, is one of the key inducers of epithelial-mesenchymal transition (EMT) in epithelial cancer. In breast cancer, EMT has been associated with malignancies, including metastasis, cancer stem-like properties, and resistance to chemotherapy and radiotherapy. In this study, we analysed the role of Snail in the highly metastatic mesenchymal TUBO‑P2J mouse breast cancer cells, by loss of function using short hairpin RNA. Though silencing Snail did not restore the E-cadherin expression or induce morphological changes, Snail silencing significantly ablated in vitro and in vivo metastatic potentials...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28729482/brca1-and-brca2-tumor-suppressors-protect-against-endogenous-acetaldehyde-toxicity
#2
Eliana Mc Tacconi, Xianning Lai, Cecilia Folio, Manuela Porru, Gijs Zonderland, Sophie Badie, Johanna Michl, Irene Sechi, Mélanie Rogier, Verónica Matía García, Ankita Sati Batra, Oscar M Rueda, Peter Bouwman, Jos Jonkers, Anderson Ryan, Bernardo Reina-San-Martin, Joannie Hui, Nelson Tang, Alejandra Bruna, Annamaria Biroccio, Madalena Tarsounas
Maintenance of genome integrity requires the functional interplay between Fanconi anemia (FA) and homologous recombination (HR) repair pathways. Endogenous acetaldehyde, a product of cellular metabolism, is a potent source of DNA damage, particularly toxic to cells and mice lacking the FA protein FANCD2. Here, we investigate whether HR-compromised cells are sensitive to acetaldehyde, similarly to FANCD2-deficient cells. We demonstrate that inactivation of HR factors BRCA1, BRCA2, or RAD51 hypersensitizes cells to acetaldehyde treatment, in spite of the FA pathway being functional...
July 20, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28728635/gene-by-environment-interactions-on-alcohol-use-among-asian-american-college-freshmen
#3
Jeremy W Luk, Tiebing Liang, Tamara L Wall
OBJECTIVE: Among northeast Asians, the variant aldehyde dehydrogenase allele, ALDH2*2 (rs671, A/G, minor/major), has been inversely associated with alcohol dependence. The strength of the associations between ALDH2*2 and drinking behaviors depends on the developmental stage, the phenotype studied, and other moderating variables. This study examined ALDH2 gene status as a moderator of the associations between parental drinking, peer drinking, and acculturation with alcohol use among 222 Chinese American and Korean American college freshmen...
July 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28725181/impact-of-proestrus-on-gene-expression-in-the-medial-preoptic-area-of-mice
#4
Csaba Vastagh, Zsolt Liposits
The antero-ventral periventricular zone (AVPV) and medial preoptic area (MPOA) have been recognized as gonadal hormone receptive regions of the rodent brain that-via wiring to gonadotropin-releasing hormone (GnRH) neurons-contribute to orchestration of the preovulatory GnRH surge. We hypothesized that neural genes regulating the induction of GnRH surge show altered expression in proestrus. Therefore, we compared the expression of 48 genes obtained from intact proestrous and metestrous mice, respectively, by quantitative real-time PCR (qPCR) method...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28722353/auramine-o-an-incense-smoke-ingredient-promotes-lung-cancer-malignancy
#5
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/28722160/placental-proteomics-reveal-insights-into-fetal-alcohol-spectrum-disorders
#6
Katie L Davis-Anderson, Sebastian Berger, Emilie R Lunde-Young, Vishal D Naik, Heewon Seo, Greg A Johnson, Hanno Steen, Jayanth Ramadoss
Fetal alcohol spectrum disorders (FASD) describe many of the well-known neurodevelopmental deficits afflicting children exposed to alcohol in utero. The effects of alcohol on the maternal-fetal interface, especially the placenta, have been less explored. We herein hypothesized that chronic binge alcohol exposure during pregnancy significantly alters the placental protein profile in a rat FASD model METHODS: Pregnant rats were orogastrically treated daily with alcohol (4.5 g/kg, gestational day (GD) 5-10; 6...
July 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28718514/aldehyde-dehydrogenase-1-a1-regulates-energy-metabolism-in-adipocytes-from-different-species
#7
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/28714006/aldh1l1-variant-rs2276724-and-mrna-expression-predict-post-operative-clinical-outcomes-and-are-associated-with-tp53-expression-in-hbv-related-hepatocellular-carcinoma
#8
Guangzhi Zhu, Xiwen Liao, Chuangye Han, Xiaoguang Liu, Long Yu, Wei Qin, Sicong Lu, Hao Su, Zhiwei Chen, Zhengtao Liu, Yu Liang, Jianlu Huang, Tingdong Yu, Chengkun Yang, Ketuan Huang, Liming Shang, Xinping Ye, Lequn Li, Xue Qin, Kaiyin Xiao, Minhao Peng, Tao Peng
Aldehyde dehydrogenase 1 family member L1 (ALDH1L1) is downregulated in hepatocellular carcinoma (HCC) tumors, and its decreased expression is associated with the poor prognosis of HCC patients. We, therefore, evaluated the effect of single nucleotide polymorphisms (SNPs) of ALDH1L1, and its mRNA expression on the survival of hepatitis B virus (HBV)‑related HCC patients and the association with tumor protein p53 (TP53) expression. ALDH1L1 SNPs in 415 HBV-related HCC patients were genotyped via direct sequencing...
July 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28711668/genome-wide-characterization-and-expression-analysis-of-the-aldehyde-dehydrogenase-aldh-gene-superfamily-under-abiotic-stresses-in-cotton
#9
Xinlei Guo, Yuanyuan Wang, Hejun Lu, Xiaoyan Cai, Xingxing Wang, Zhongli Zhou, Chunying Wang, Yuhong Wang, Zhenmei Zhang, Kunbo Wang, Fang Liu
In plants, aldehyde dehydrogenases (ALDHs) function as 'aldehyde scavengers' by removing reactive aldehydes and thus play important roles in stress responses. To date, 30 ALDHs have been identified in Gossypium raimondii, whereas ALDHs have not been studied in Gossypium arboreum or in tetraploid cotton. In this study, we identified 30, 59 and 59 aldehyde dehydrogenase (ALDH) genes from G. arboreum, G. hirsutum and G. barbadense, respectively. Gene structure analysis revealed that members of the same family exhibit similar exon-intron structures and structural domains, and all members of the ALDH18 family possess a distinct AA-kinase domain...
July 12, 2017: Gene
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
#10
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/28700615/astrocyte-heterogeneity-across-the-brain-and-spinal-cord-occurs-developmentally-in-adulthood-and-in-response-to-demyelination
#11
Hyesook Yoon, Grant Walters, Alex R Paulsen, Isobel A Scarisbrick
Astrocytes have emerged as essential regulators of function and response to injury in the brain and spinal cord, yet very little is known about regional differences that exist. Here we compare the expression of key astroglial markers (glial fibrillary acidic protein (GFAP) and Aldehyde Dehydrogenase-1 Family Member L1 (ALDH1L1)) across these disparate poles of the neuraxis, tracking their expression developmentally and in the context of demyelination. In addition, we document changes in the astrocyte regulatory cytokine interleukin 6 (IL-6), and its signaling partner signal transducer and activator of transcription 3 (STAT3), in vivo and in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28693226/screening-of-potentially-crucial-genes-and-regulatory-factors-involved-in-epithelial-ovarian-cancer-using-microarray-analysis
#12
Can Shi, Zhenyu Zhang
The present study aimed to screen potential genes implicated in epithelial ovarian cancer (EOC) and to further understand the molecular pathogenesis of EOC. In order to do this, datasets GSE14407 (containing 12 human ovarian cancer epithelia samples and 12 normal epithelia samples) and GSE29220 (containing 11 salivary transcriptomes from ovarian cancer patients with serous papillary adenocarcinoma and 11 matched controls) were obtained from the Gene Expression Omnibus. Differentially expressed genes (DEGs) within these datasets were screened using the Linear Models for Microarray Data package, and potential gene functions were predicted by functional and pathway enrichment analyses...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693221/fatty-acids-inhibit-anticancer-effects-of-5-fluorouracil-in-mouse-cancer-cell-lines
#13
Eriko Tanabe, Misaho Kitayoshi, Kiyomu Fujii, Hitoshi Ohmori, Yi Luo, Yui Kadochi, Shiori Mori, Rina Fujiwara, Yukiko Nishiguchi, Takamitsu Sasaki, Hiroki Kuniyasu
The present study investigated the effects of two major dietary fatty acid components, linoleic acid (LA) and elaidic acid (EA), on the antitumor effects of 5-fluorouracil (5-FU) in the LL2, CT26 and CMT93 mouse cancer cell lines. Concurrent treatment with LA and 5-FU elicited a decreased cell viability compared with treatment with 5-FU alone. In addition, increased inhibition of growth was observed following concurrent treatment with EA and 5-FU. Sequential treatment of LA followed by 5-FU abrogated the anticancer effects of 5-FU, and treatment with EA followed by 5-FU increased cancer cell growth in addition to abrogating the anticancer effects of 5-FU...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693170/prognostic-significance-of-abcb1-in-stage-i-lung-adenocarcinoma
#14
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/28690202/the-impact-of-methylphenidate-and-its-enantiomers-on-dopamine-synthesis-and-metabolism-in-vitro
#15
Jasmin Bartl, Ferruccio Palazzesi, Michele Parrinello, Leif Hommers, Peter Riederer, Susanne Walitza, Edna Grünblatt
Methylphenidate (MPH), a psychostimulant, is an effective first-line treatment for the symptoms associated with Attention-Deficit/Hyperactivity Disorder (ADHD). Although most MPH formulations are composed of the racemic 1:1 mixture of the two enantiomers (d- and l-threo), converging lines of evidence indicate that d-threo MPH seems to be superior to the l-isomer. We aimed to investigate whether MPH racemic mixture or pure enantiomers influence the enzyme activity of tyrosine hydroxylase (TH), monoamine oxidase B (MAO-B), catechol-O-methyltransferase (COMT), and aldehyde dehydrogenase (ALDH) in vitro in homogenates of rat PC12 cells incubated with racemic, d- and l-threo MPH (1nM up to 100μM), or a vehicle for control...
July 8, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28687067/genome-wide-characterization-of-the-aldehyde-dehydrogenase-gene-superfamily-in-soybean-and-its-potential-role-in-drought-stress-response
#16
Wei Wang, Wei Jiang, Juge Liu, Yang Li, Junyi Gai, Yan Li
BACKGROUND: Aldehyde dehydrogenases (ALDHs) represent a group of enzymes that detoxify aldehydes by facilitating their oxidation to carboxylic acids, and have been shown to play roles in plant response to abiotic stresses. However, the comprehensive analysis of ALDH superfamily in soybean (Glycine max) has been limited. RESULTS: In present study, a total of 53 GmALDHs were identified in soybean, and grouped into 10 ALDH families according to the ALDH Gene Nomenclature Committee and phylogenetic analysis...
July 7, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28679528/moderate-alcohol-intake-induces-thermogenic-brown-beige-adipocyte-formation-via-elevating-retinoic-acid-signaling
#17
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
#18
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...
July 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28676857/salinomycin-exerts-anticancer-effects-on-pc-3-cells-and-pc-3-derived-cancer-stem-cells-in-vitro-and-in-vivo
#19
Yunsheng Zhang, Luogen Liu, Fang Li, Tao Wu, Hongtao Jiang, Xianxun Jiang, Xiaobo Du, Yi Wang
Salinomycin is an antibiotic isolated from Streptomyces albus that selectively kills cancer stem cells (CSCs). However, the antitumor mechanism of salinomycin is unclear. This study investigated the chemotherapeutic efficacy of salinomycin in human prostate cancer PC-3 cells. We found that cytotoxicity of salinomycin to PC-3 cells was stronger than to nonmalignant prostate cell RWPE-1, and exposure to salinomycin induced G2/M phage arrest and apoptosis of PC-3 cells. A mechanistic study found salinomycin suppressed Wnt/β-catenin pathway to induce apoptosis of PC-3 cells...
2017: BioMed Research International
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
#20
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)
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