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Aldehyde dehydrogenase

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https://www.readbyqxmd.com/read/28918527/alterations-in-epididymal-proteomics-and-antioxidant-activity-of-mice-exposed-to-fluoride
#1
Zilong Sun, Sujuan Li, Yuxiang Yu, Hongyu Chen, Mohammad Mehdi Ommati, Ram Kumar Manthari, Ruiyan Niu, Jundong Wang
It is well known that high fluoride results in low fertility. Epididymis is the important place for spermatozoa maturation, which is essential for successful fertilization. In the previous studies, fluoride was reported to damage the epididymal structure of mouse and rabbit. However, the mechanism underlying sodium fluoride (NaF)-induced epididymal toxicity has not yet been well elucidated. The aim of this study is to explore the global protein alterations in epididymis of mice exposed to NaF using the iTRAQ technique...
September 16, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28916862/monitoring-the-response-of-urothelial-precancerous-lesions-to-bacillus-calmette-guerin-at-the-proteome-level-in-an-in-vivo-rat-model
#2
Kerem Teke, Nil Guzel, Ali Kemal Uslubas, Murat Kasap, Hasan Yilmaz, Gurler Akpinar, Demir Kursat Yildiz, Ozdal Dillioglugil
Intravesical Bacillus Calmette-Guerin (BCG) is the best treatment modality for progression of non-muscle invasive bladder cancer. We aimed to monitor changes at the proteome level to identify putative protein biomarkers associated with the response of urothelial precancerous lesions to intravesical BCG treatment. The rats were divided into three groups (n = 10/group): control, non-treated, and BCG-treated groups. The non-treated and BCG-treated groups received N-methyl-N-nitrosourea intravesically. BCG Tice-strain was instilled into bladder in BCG-treated group...
September 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28915122/understanding-fetal-factors-that-contribute-to-preterm-birth-sj%C3%A3-gren-larsson-syndrome-as-a-model
#3
Pippa Staps, Marije Hogeveen, Joris Fuijkschot, Joris van Drongelen, Michèl A A P Willemsen
AIM: Preterm birth is the world's leading cause of neonatal death. Unfortunately, the pathophysiology of preterm birth remains poorly understood. Sjögren-Larsson syndrome is a rare, neurometabolic disorder caused by a fatty aldehyde dehydrogenase deficiency. A majority of patients with Sjögren-Larsson syndrome is born preterm. METHODS: Data of all known Dutch patients with Sjögren-Larsson syndrome and all cases reported in literature were analyzed to learn from preterm birth in context of this rare disease...
September 15, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28912842/a-reliable-method-for-the-sorting-and-identification-of-aldh-high-cancer-stem-cells-by-flow-cytometry
#4
Zhengwei Leng, Zhao Yang, Lifa Li, Xiaorong Zhong, He Zhou, Yong Li, Gang Yang, Guangjun Zhang, Yongfu Xiong, Tong Zhou, Jianshui Li, Dongsheng Wang, Jingdong Li
Cancer stem cells (CSCs) are a rare tumorigenic population of cells found in multiple types of cancer. It has been suggested that CSCs are responsible for cancer drug resistance, metastasis and recurrence. Therefore, it is important to develop techniques to correctly sort and identify CSCs. In the current study, the sorting and identification of aldehyde dehydrogenase high (ALDH(high)) CSCs was performed using flow cytometry. Cells from three colon cancer cell lines were cultured in serum-free medium to obtain CSCs-enriched spheroid cells...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28912540/sox9-regulates-cancer-stem-like-properties-and-metastatic-potential-of-single-walled-carbon-nanotube-exposed-cells
#5
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/28911673/impact-of-different-partitioned-solvents-on-chemical-composition-and-bioavailability-of-sasa-quelpaertensis-nakai-leaf-extract
#6
Masaya Nakamura, Jong-Hwan Ra, Youngheun Jee, Ju-Sung Kim
The leaves of Sasa quelpaertensis Nakai were extracted with 80% ethanol and further partitioned with n-hexane, chloroform, ethyl acetate, n-butanol, and aqueous fractions to evaluate the biological activity through assessment via various in vitro assays, including total phenol content; 1,1-diphenyl-1-picrylhydrazyl (DPPH) and 2,2-azino-bis-(3-ethylbenzothiazothiazoline-6-sulfornic acid (ABTS) radical scavenging; reducing power; α-glucosidase and tyrosinase inhibitory; and alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) activity assays...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28903537/evolutionary-origins-of-pax6-control-of-crystallin-genes
#7
Ales Cvekl, Yilin Zhao, Rebecca McGreal, Qing Xie, Xun Gu, Deyou Zheng
The birth of novel genes, including their cell-specific transcriptional control, is a major source of evolutionary innovation. The lens-preferred proteins, crystallins (vertebrates: α- and β/γ-crystallins), provide a gateway to study eye evolution. Diversity of crystallins was thought to originate from convergent evolution through multiple, independent formation of Pax6/PaxB-binding sites within the promoters of genes able to act as crystallins. Here, we propose that αB-crystallin arose from a duplication of small heat shock protein (Hspb1-like) gene accompanied by Pax6-site and heat shock element (HSE) formation, followed by another duplication to generate the αA-crystallin gene in which HSE was converted into another Pax6-binding site...
August 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28902217/a-bifunctional-old-yellow-enzyme-from-penicillium-roqueforti-is-involved-in-ergot-alkaloid-biosynthesis
#8
Nina Gerhards, Shu-Ming Li
The blue cheese-making fungus Penicillium roqueforti produces isofumigaclavine A as the main ergot alkaloid. Recently, genome mining revealed the presence of two DNA loci bearing the genetic potential for its biosynthesis. In this study, a short-chain dehydrogenase/reductase (SDR) from one of the loci was proved to be responsible for the conversion of chanoclavine-I to its aldehyde. Furthermore, a putative gene coding for an enzyme with high homology to Old Yellow Enzymes (OYEs) involved in the ergot alkaloid biosynthesis was found outside the two clusters...
September 13, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28894224/associations-between-aldehyde-dehydrogenase-2-aldh2-rs671-genetic-polymorphisms-lifestyles-and-hypertension-risk-in-chinese-han-people
#9
Cong Ma, Bingxiang Yu, Weihua Zhang, Weimin Wang, Liping Zhang, Qiang Zeng
Hypertension is a multiple factor disease which was influenced by gene, environment, and lifestyle. Several studies confirmed that the ALDH2 rs671 polymorphism is associated with hypertension. However, the evidence remains inconclusive. Whether lifestyle affects blood pressure in different genotype groups have not been clarified, either. The subjects were adult Chinese Han people who received health examination in the period from December 2014 to December 2015. Detection of the ALDH2 r671 polymorphism was determined by polymerase chain reaction...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28891965/molecular-mechanisms-of-acetaldehyde-mediated-carcinogenesis-in-squamous-epithelium
#10
REVIEW
Ayaka Mizumoto, Shinya Ohashi, Kenshiro Hirohashi, Yusuke Amanuma, Tomonari Matsuda, Manabu Muto
Acetaldehyde is a highly reactive compound that causes various forms of damage to DNA, including DNA adducts, single- and/or double-strand breaks (DSBs), point mutations, sister chromatid exchanges (SCEs), and DNA-DNA cross-links. Among these, DNA adducts such as N²-ethylidene-2'-deoxyguanosine, N²-ethyl-2'-deoxyguanosine, N²-propano-2'-deoxyguanosine, and N²-etheno-2'-deoxyguanosine are central to acetaldehyde-mediated DNA damage because they are associated with the induction of DNA mutations, DNA-DNA cross-links, DSBs, and SCEs...
September 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28890889/a-novel-missense-mutation-in-the-aldh13-gene-causes-anophthalmia-in-two-unrelated-iranian-consanguineous-families
#11
Mohammadreza Dehghani, Masoud Dehghan Tezerjani, Zahra Metanat, Mohammad Yahya Vahidi Mehrjardi
Anophthalmia or microphthalmia (A/M) is a rare group of congenital/developmental ocular malformations, characterized by absent or small eye within the orbit affecting one or both eyes. It has complex etiology with chromosomal, monogenic with high heterogeneity, and environmental causes. We performed genome SNP-array analysis followed by autozygosity mapping and sequencing in the members of two families in which three individuals are suffering from severe bilateral anophthalmia. The genetic analysis revealed a novel missense c...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28890346/hepatoprotective-effects-of-methyl-ferulic-acid-on-alcohol-induced-liver-oxidative-injury-in-mice-by-inhibiting-the-nox4-ros-mapk-pathway
#12
Chen Li, Li Li, Cheng-Fang Yang, Yu-Juan Zhong, Dan Wu, Lin Shi, Li Chen, Yong-Wen Li
AIMS: The present study aimed to investigate the hepatoprotective effects of Methyl ferulic acid (MFA) against oxidative stress and apoptosis as well as inflammation in mice with liver injury induced by alcohol and its underlying mechanisms. METHODS: C57BL/6 mice were divided into a control group,a model group, and Methyl ferulic acid with high dosage (20 mg/kg), moderate dosage (10 mg/kg) and low dosage (5 mg/kg) groups. The general condition and organ index of each group were investigated...
September 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28889382/urothelial-carcinoma-stem-cells-current-concepts-controversies-and-methods
#13
Jiri Hatina, Hamendra Singh Parmar, Michaela Kripnerova, Anastasia Hepburn, Rakesh Heer
Cancer stem cells are defined as a self-renewing and self-protecting subpopulation of cancer cells able to differentiate into morphologically and functionally diverse cancer cells with a limited lifespan. To purify cancer stem cells, two basic approaches can be applied, the marker-based approach employing various more of less-specific cell surface marker molecules and a marker-free approach largely based on various self-protection mechanisms. Within the context of urothelial carcinoma, both methods could find use...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28889122/galectin-9-produced-by-intestinal-epithelial-cells-enhances-aldehyde-dehydrogenase-activity-in-dendritic-cells-in-a-pi3k-and-p38-dependent-manner
#14
Sander de Kivit, Atanaska I Kostadinova, JoAnn Kerperien, Veronica Ayechu Muruzabal, Mary E Morgan, Leon M J Knippels, Aletta D Kraneveld, Johan Garssen, Linette E M Willemsen
Intestinal epithelial cells (IEC) drive regulatory T cell (Treg) responses by promoting the differentiation of aldehyde dehydrogenase (ALDH)-expressing CD103+ dendritic cells (DC). Apical stimulation of TLR9 by CpG DNA on IEC supports galectin-9 expression by IEC, which is promoted by short-chain galacto-oligosaccharides and long-chain fructo-oligosaccharides (GF). While galectin-9 can induce the maturation of monocyte-derived DC (moDC), the contribution of galectin-9 on the induction of ALDH activity in DC is not known...
September 9, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28888960/complete-genome-sequence-of-endophyte-bacillus-flexus-klbmp-4941-reveals-its-plant-growth-promotion-mechanism-and-genetic-basis-for-salt-tolerance
#15
Tian-Tian Wang, Peng Ding, Pan Chen, Ke Xing, Juan-Luan Bai, Wen Wan, Ji-Hong Jiang, Sheng Qin
Bacillus flexus KLBMP 4941 is a halotolerant endophyte isolated from the halophyte Limonium sinense. This strain can improve host seedling growth under salt stress conditions. We here report the complete genome information of endophyte KLBMP 4941. It has a circular chromosome and two plasmids for a total genome 4,104,242 bp in size with a G+C content of 38.09%. Genes related to plant growth promotion (PGP), such as those associated with nitrogen fixation, siderophore, spermidine, and acetoin synthesis were found in the KLBMP 4941 genome...
September 6, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28888039/role-of-aldh1-in-the-prognosis-of-esophageal-cancer-and-its-relationship-with-tumor-microenvironment
#16
Miao-Fen Chen, Ping-Tsung Chen, Ming-Shian Lu, Wen-Cheng Chen
Aldehyde dehydrogenase 1 (ALDH1) is associated with tumorigenesis, and significantly increased in cancer stem-like cells. In the present study, the role of ALDH1 in esophageal squamous cell carcinoma (ESCC) was investigated. We retrospectively analyzed the clinical outcomes of 148 ESCC and examined its correlation with ALDH1 levels. Furthermore, we preformed cellular and animal experiments to investigate the role of ALDH1 in tumor progression and microenvironment. Our data revealed that ALDH1 staining was positively linked to a higher clinical stage, higher loco-regional failure rate and shorter survival time...
September 9, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28887587/a-deletion-of-the-gene-encoding-amino-aldehyde-dehydrogenase-enhances-the-pandan-like-aroma-of-winter-melon-benincasa-hispida-and-is-a-functional-marker-for-the-development-of-the-aroma
#17
Saowalak Ruangnam, Samart Wanchana, Nongnat Phoka, Chatree Saeansuk, Sugunya Mahatheeranont, Simon Jan de Hoop, Theerayut Toojinda, Apichart Vanavichit, Siwaret Arikit
The gene conferring a "pandan-like" aroma of winter melon was identified. The sequence variation (804-bp deletion) found in the gene was used as the target for functional marker development. Winter melon (Benincasa hispida), a member of the Cucurbitaceae family, is a commonly consumed vegetable in Asian countries that is popular for its nutritional and medicinal value. A "pandan-like" aroma, which is economically important in crops including rice and soybean, is rarely found in most commercial varieties of winter melon, but is present in some landraces...
September 8, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28881734/targeting-aldehyde-dehydrogenase-activity-in-head-and-neck-squamous-cell-carcinoma-with-a-novel-small-molecule-inhibitor
#18
Jeewon Kim, June Ho Shin, Che-Hong Chen, Leslie Cruz, Lovisa Farnebo, Jieying Yang, Paula Borges, Gugene Kang, Daria Mochly-Rosen, John B Sunwoo
Chemoresistant cancer cells express high levels of aldehyde dehydrogenases (ALDHs), particularly in head and neck squamous cell carcinoma (HNSCC). The ALDH family of enzymes detoxify both exogenous and endogenous aldehydes. Since many chemotherapeutic agents, such as cisplatin, result in the generation of cytotoxic aldehydes and oxidative stress, we hypothesized that cells expressing high levels of ALDH may be more chemoresistant due to their increased detoxifying capacity and that inhibitors of ALDHs may sensitize them to these drugs...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881576/inhibition-of-pi3k-akt-mtor-signaling-in-pi3kr2-overexpressing-colon-cancer-stem-cells-reduces-tumor-growth-due-to-apoptosis
#19
Sugong Chen, Robert C Fisher, Steven Signs, L Alex Molina, Anitha K Shenoy, Maria-Cecilia Lopez, Henry V Baker, John M Koomen, Yi Chen, Haley Gittleman, Jill Barnholtz-Sloan, Annamarie Berg, Henry D Appelman, Emina H Huang
In sporadic colon cancer, colon cancer stem cells (CCSCs) initiate tumorigenesis and may contribute to late disease recurrences and metastases. We previously showed that aldehyde dehydrogenase (ALDH) activity (as indicated by the ALDEFLUOR(®) assay) is an effective marker for highly enriching CCSCs for further evaluation. Here, we used comparative transcriptome and proteome approaches to identify signaling pathways overrepresented in the CCSC population. We found overexpression of several components of the phosphoinositide 3-kinase (PI3K)/Akt/mechanistic target of rapamycin (mTOR) signaling pathway, including PI3KR2, a regulatory subunit of PI3K...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881356/aldehyde-dehydrogenase-1b1-a-novel-immunohistological-marker-for-colorectal-cancer
#20
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
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