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https://www.readbyqxmd.com/read/29779471/hypoxia-induces-hypoxia-inducible-factor-1%C3%AE-and-potential-hif-responsive-gene-expression-in-uterine-leiomyoma
#1
Hiroshi Ishikawa, Linlin Xu, Kunizui Sone, Tatsuya Kobayashi, Guiwen Wang, Makio Shozu
Uterine leiomyoma is characterized by abundant extracellular matrix and broad avascular areas, both constantly resulting in hypoxia, suggesting some hypoxia-induced response function. Here, we examined whether hypoxia-inducible factor 1α (HIF-1α)- mediated hypoxic response function in uterine leiomyoma. Immunoblotting detected higher basal HIF-1α protein expression in nuclear extracts from uterine leiomyoma tissues than in those from the adjacent myometrium ( P = .0011). Immunohistochemical analysis revealed the presence of HIF-1α-positive cellular components in both leiomyoma and surrounding myometrial tissues...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29764507/aldolase-a-promotes-proliferation-and-g-1-s-transition-via-the-egfr-mapk-pathway-in-non-small-cell-lung-cancer
#2
Hailu Fu, Huijun Gao, Xiaoyu Qi, Lei Zhao, Donghua Wu, Yuxin Bai, Huimin Li, Xuan Liu, Jun Hu, Shujuan Shao
BACKGROUND: Our previous study demonstrated that aldolase A (ALDOA) is overexpressed in clinical human lung squamous cell carcinoma and that ALDOA promotes epithelial-mesenchymal transition and tumorigenesis. The present study aimed to explore the function of ALDOA in the modulation of non-small cell lung cancer (NSCLC) proliferation and cell cycle progression and the potential mechanism. METHODS: ALDOA was knocked down by short hairpin RNA in H520 and H1299 cells...
May 8, 2018: Cancer communications
https://www.readbyqxmd.com/read/29693182/high-expression-of-fructose-bisphosphate-aldolase-a-induces-progression-of-renal-cell-carcinoma
#3
Zhengkai Huang, Yibo Hua, Ye Tian, Chao Qin, Jian Qian, Meiling Bao, Yiyang Liu, Shangqian Wang, Qiang Cao, Xiaobing Ju, Zengjun Wang, Min Gu
Aldolase A (fructose-bisphosphate aldolase A, ALDOA) is a glycolytic enzyme that catalyzes reversible conversion of fructose‑1,6-bisphosphate to glyceraldehyde 3-phosphate and dihydroxyacetone phosphate. ALDOA has been revealed to be related with many carcinomas, but its expression and function in renal cell carcinoma (RCC) remain unknown. This study aimed to detect expression of ALDOA in human RCC tissue samples and to explore its function in RCC cell lines. Reverse transcription-polymerase chain reaction was used to quantify ALDOA in human RCC samples...
April 18, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29554660/c-d-box-snord105b-promotes-tumorigenesis-in-gastric-cancer-via-aldoa-c-myc-pathway
#4
Cong Zhang, Lian-Mei Zhao, Hao Wu, Guo Tian, Su-Li Dai, Ri-Yang Zhao, Bao-En Shan
BACKGROUND/AIMS: Small nucleolar RNAs (snoRNAs) play an important role in carcinogenesis. In this study, we identified a C/D box snoRNA, snord105b, and further investigated the function and mechanism of the snord105b in gastric cancer (GC). METHODS: The expression level of snord105b in GC tissures, sera and cell lines were detected by qRT-PCR. Cell viability was assessed using MTS assay. Transwell and wound healing assay were performed to evaluate migration and invasion, and protein expression was examined by western blotting...
March 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29546614/the-growth-inhibitory-effect-of-gambogic-acid-on-pancreatic-cancer-cells
#5
Mаhmoud Youns, Abeer ElKhoely, Rehab Kamel
Pancreatic cancer, the fourth most common cause of cancer-related deaths, is one of the most aggressive and devastating human malignancies with increasing incidence worldwide. To date, surgical resection is the only potentially curative therapy available for pancreatic cancer patients. Early diagnosis of pancreatic tumors is difficult, and hence, nearly 80% of patients cannot receive surgical resection. Natural products have always been a vital source for novel compounds for cancer treatment. The naturally occurring prenylated xanthone, gambogic acid, has been previously shown to exert potent anticancer, anti-inflammatory, apoptotic, antiangiogenic, and antioxidant activities...
May 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29415651/integrative-analysis-of-micrornas-and-mrnas-revealed-regulation-of-composition-and-metabolism-in-nelore-cattle
#6
Gabriella B Oliveira, Luciana C A Regitano, Aline S M Cesar, James M Reecy, Karina Y Degaki, Mirele D Poleti, Andrezza M Felício, James E Koltes, Luiz L Coutinho
BACKGROUND: The amount of intramuscular fat can influence the sensory characteristics and nutritional value of beef, thus the selection of animals with adequate fat deposition is important to the consumer. There is growing knowledge about the genes and pathways that control the biological processes involved in fat deposition in muscle. MicroRNAs (miRNAs) belong to a well-conserved class of non-coding small RNAs that modulate gene expression across a range of biological functions in animal development and physiology...
February 7, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29199648/proteomic-investigation-of-resistance-to-chemotherapy-drugs-in-osteosarcoma
#7
Shuang Zhang, Yu-Ping Qin, Jiang-Ming Kuang, Yi-He Liu
BACKGROUND: Osteosarcoma, which is also termed osteogenic sarcoma or osteoma sarcomatosum, is the most common form of bone cancer. Typical osteosarcoma can occur at any age, including in infants, children, and the elderly, but more than half of cases occur in individuals who are 10-20 years old. OBJECTIVE: Here, the objective was to search for protein markers to indicate resistance to cisplatin in osteosarcoma and provide a theoretical basis for the early and accurate use of cisplatin to treat osteosarcoma...
November 17, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29123635/er-yag-laser-and-cyclosporin-a-effect-on-cell-cycle-regulation-of-human-gingival-fibroblast-cells
#8
Hojjat-Allah Abbaszadeh, Ali Asghar Peyvandi, Yousef Sadeghi, Akram Safaei, Mona Zamanian-Azodi, Maryam Sadat Khoramgah, Mostafa Rezaei-Tavirani
Introduction: Periodontitis is a set of inflammatory disorders characterized by periodontal attachment loss and alveolar bone resorption. Because of deficiency in periodontitis mechanical therapy, this study was aimed to explore the molecular influence of the erbiumdoped: yttrium aluminum garnet (Er:YAG) laser and cyclosporin A (CsA) on human gingival fibroblasts (HGFs) for improvement in periodontal diseases therapy. Methods: We focused on articles that studied the proteome profiles of HGFs after treatment with laser irradiation and application of CsA...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29084207/upregulation-of-the-aldoa-dna-pk-p53-pathway-by-dietary-restriction-suppresses-tumor-growth
#9
D Ma, X Chen, P-Y Zhang, H Zhang, L-J Wei, S Hu, J-Z Tang, M-T Zhou, C Xie, R Ou, Y Xu, K-F Tang
Dietary restriction (DR) delays the incidence and decreases the growth of various types of tumors; however, the mechanisms responsible for DR-mediated antitumor effects have not been unequivocally identified. Here, we report that DR suppresses xenograft tumor growth by upregulating a novel signaling pathway. DR led to upregulated aldolase A (ALDOA) expression in xenograft tumors. ALDOA physically interacted with the catalytic subunit of DNA-dependent protein kinase (DNA-PK) and promoted DNA-PK activation. Activated DNA-PK phosphorylated p53 and increased its activity...
February 22, 2018: Oncogene
https://www.readbyqxmd.com/read/29073233/transcriptional-and-post-translational-changes-in-the-brain-of-mice-deficient-in-cholesterol-removal-mediated-by-cytochrome-p450-46a1-cyp46a1
#10
Natalia Mast, Joseph B Lin, Kyle W Anderson, Ingemar Bjorkhem, Irina A Pikuleva
Cytochrome P450 46A1 (CYP46A1) converts cholesterol to 24-hydroxycholesterol and thereby controls the major pathways of cholesterol removal from the brain. Cyp46a1-/- mice have a reduction in the rate of cholesterol biosynthesis in the brain and significant impairments to memory and learning. To gain insights into the mechanisms underlying Cyp46a1-/- phenotype, we used Cyp46a1-/- mice and quantified their brain sterol levels and the expression of the genes pertinent to cholesterol homeostasis. We also compared the Cyp46a1-/- and wild type brains for protein phosphorylation and ubiquitination...
2017: PloS One
https://www.readbyqxmd.com/read/29071030/diabetic-retinopathy-and-laser-therapy-in-rats-a-protein-protein-interaction-network-analysis
#11
Akram Safaei, Mostafa Rezaei Tavirani, Mona Zamanian Azodi, Alireza Lashay, Seyed Farzad Mohammadi, Mohamad Ghasemi Broumand, Ali Asghar Peyvandi, Farshad Okhovatian, Hassan Peyvandi, Mohammad Rostami Nejad
Introduction: Diabetic retinopathy (DR) is a serious microvascular complication of diabetes which can cause vision loss or blindness ultimately. Non enzymatic glycation of proteins leads to advanced glycation end products (AGEs) in DR. Since laser therapy is a well-established method, in this study, protein-protein interaction (PPI) network is applied for protein targets in DR disease in rats treated by laser. Methods: In this study, we focused on articles that investigated and compared the proteome profiles of DR rats with healthy control and also DR rats before and after laser therapy...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28843594/safety-assessment-of-the-dietary-supplement-oxyelite%C3%A2-pro-new-formula-in-inbred-and-outbred-mouse-strains
#12
Isabelle R Miousse, Charles M Skinner, Haixia Lin, Laura E Ewing, Stanley D Kosanke, D Keith Williams, Bharathi Avula, Ikhlas A Khan, Mahmoud A ElSohly, Bill J Gurley, Igor Koturbash
Herbal dietary supplements have gained wide acceptance as alternatives to conventional therapeutic agents despite concerns regarding their efficacy and safety. In 2013, a spate of severe liver injuries across the United States was linked to the dietary supplement OxyELITE Pro-New Formula (OEP-NF), a multi-ingredient product marketed for weight loss and exercise performance enhancement. The principal goal of this study was to assess the hepatotoxic potential of OEP-NF in outbred and inbred mouse models. In an acute toxicity study, significant mortality was observed after administering 10X and 3X mouse-equivalent doses (MED) of OEP-NF, respectively...
November 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28820953/a-fluorescence-based-high-throughput-assay-for-the-identification-of-anticancer-reagents-targeting-fructose-1-6-bisphosphate-aldolase
#13
Eun Jeong Cho, Ashwini K Devkota, Gabriel Stancu, Ramakrishna Edupunganti, Garth Powis, Kevin N Dalby
A high rate of glycolysis, which supplies energy and materials for anabolism, is observed in a wide range of tumor cells, making it a potential pathway to control cancer growth. ALDOA is a multifunctional enzyme in the glycolytic pathway and also promotes HIF-1α, which is of importance in hypoxic solid tumors. The current method for assaying ALDOA activity involves monitoring the consumption of NADH in vitro using absorbance or intrinsic fluorescence via a coupled enzymatic reaction. Here, we report the development of a homogeneous biochemical assay that can overcome limitations of current methods, in particular for the application of high-throughput drug screening...
January 2018: SLAS Discovery
https://www.readbyqxmd.com/read/28610954/feedback-regulation-of-aldoa-activates-the-hif-1%C3%AE-mmp9-axis-to-promote-lung-cancer-progression
#14
Yu-Chan Chang, Yung-Chieh Chan, Wei-Ming Chang, Yuan-Feng Lin, Chih-Jen Yang, Chia-Yi Su, Ming-Shyan Huang, Alexander T H Wu, Michael Hsiao
Distant metastasis and recurrence are the greatest challenges in the clinical management of lung cancer. Despite advances in targeted therapies, high mortality rates persist. Therefore, alternative therapeutic interventions are urgently required. Accumulating evidence indicates that normalizing tumor metabolism may be a way to increase therapeutic efficacy and to reduce tumor malignancy. Here, we analyzed integrated transcriptomics data and an shRNA library against glycolytic enzymes and found that elevated Aldolase A expression is highly correlated with metastatic potential and a poor prognosis in patients with non-small cell lung cancer (NSCLC)...
September 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28533734/gene-expression-profiling-associated-with-hepatoxicity-in-pregnant-rats-treated-with-ubi-gadong-dioscorea-hispida-extract
#15
Ezarul Faradianna Lokman, Hussin Muhammad, Norizah Awang, Maizatul Hasyima Omar, Fazliana Mansor, Fatin Saparuddin
Dioscorea hispida (D.hispida) is the most well-known starchy tuber in Malaysia and called 'ubi gadong'. Despite concerns over toxicity effects, the tuber is known to possess therapeutic values due to the presence of bioactive compounds such as saponins. This study was performed to identify the changes in gene expression profiles associated with hepatoxicity in pregnant rat treated with D.hispida using RT² Profiler PCR Array. The identification of steroidal saponins from D.hispida was carried out by UHPLC/MS method...
March 2017: International Journal of Biomedical Science: IJBS
https://www.readbyqxmd.com/read/28460680/characterization-of-galntl5-gene-sequence-and-expression-in-ovine-testes-and-sperm
#16
Xiaolei Yao, Hua Yang, Yanli Zhang, Caifang Ren, Haitao Nie, Yixuan Fan, Wenjun Zhou, Shuting Wang, Xu Feng, Feng Wang
The polypeptide N-acetylgalactosaminyltransferase-like protein 5 (GALNTL5), which belongs to the polypeptide N-acetylgalactosaminyltransferase (pp-GalNAc-T) gene family, is a newly identified gene that is specifically expressed in testis and involved in spermatogenesis. However, there is no data showing the existence of GALNTL5 in ram testis at various developmental stages and its influence on sperm motility. Therefore, the objectives of the present study were to evaluate the presence of GALNTL5 in the testis of 3-24 months (M) ram and to investigate the expression of GALNTL5 in spermatozoa with different motilities...
June 2017: Theriogenology
https://www.readbyqxmd.com/read/28382934/connecting-myelin-related-and-synaptic-dysfunction-in-schizophrenia-with-snp-rich-gene-expression-hubs
#17
Hedi Hegyi
Combining genome-wide mapping of SNP-rich regions in schizophrenics and gene expression data in all brain compartments across the human life span revealed that genes with promoters most frequently mutated in schizophrenia are expression hubs interacting with far more genes than the rest of the genome. We summed up the differentially methylated "expression neighbors" of genes that fall into one of 108 distinct schizophrenia-associated loci with high number of SNPs. Surprisingly, the number of expression neighbors of the genes in these loci were 35 times higher for the positively correlating genes (32 times higher for the negatively correlating ones) than for the rest of the ~16000 genes...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28280347/high-expression-of-aldolase-a-predicts-poor-survival-in-patients-with-clear-cell-renal-cell-carcinoma
#18
Ning Na, Heng Li, Chengfang Xu, Bin Miao, Liangqing Hong, Zhengyu Huang, Qiu Jiang
BACKGROUND: Aldolase A (ALDOA) is a glycolytic enzyme that drives the glycolytic metabolic pathway in mammalian cells. The overexpression of ALDOA was observed in a variety of cancers including clear-cell renal cell carcinoma (ccRCC). However, little was known about the clinicopathological significance and prognostic value of ALDOA in ccRCC patients. METHODS: The expression of ALDOA was detected using immunohistochemical staining in 162 formalin-fixed, paraffin-embedded ccRCC sections...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28225015/identification-of-protein-biomarkers-and-signaling-pathways-associated-with-prostate-cancer-radioresistance-using-label-free-lc-ms-ms-proteomic-approach
#19
Lei Chang, Jie Ni, Julia Beretov, Valerie C Wasinger, Jingli Hao, Joseph Bucci, David Malouf, David Gillatt, Peter H Graham, Yong Li
Identifying biomarkers and signaling pathways are important for the management of prostate cancer (CaP) radioresistance. In this study, we identified differential proteins and signaling pathways from parental CaP cell lines and CaP radioresistant (RR) sublines using a label-free LC-MS/MS proteomics approach. A total of 309 signaling pathway proteins were identified to be significantly altered between CaP and CaP-RR cells (p ≤ 0.05, fold differences >1.5, ≥80% power). Among these proteins, nineteen are common among three paired CaP cell lines and associated with metastasis, progression and radioresistance...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224194/mycoepoxydiene-suppresses-hela-cell-growth-by-inhibiting-glycolysis-and-the-pentose-phosphate-pathway
#20
Kehua Jin, Li Li, Xihuan Sun, Qingyan Xu, Siyang Song, Yuemao Shen, Xianming Deng
Upregulation of glycolysis and the pentose phosphate pathway (PPP) is a major characteristic of the metabolic reprogramming of cancer and provides cancer cells with energy and vital metabolites to support their rapid proliferation. Targeting glycolysis and the PPP has emerged as a promising antitumor therapeutic strategy. Marine natural products are attractive sources for anticancer therapeutics, as evidenced by the antitumor drug Yondelis. Mycoepoxydiene (MED) is a natural product isolated from a marine fungus that has shown promising inhibitory efficacy against HeLa cells in vitro...
May 2017: Applied Microbiology and Biotechnology
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