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Retinoic Acid 0.05%

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https://www.readbyqxmd.com/read/29229524/toxic-responses-of-sox2-gene-in-the-regeneration-of-the-earthworm-eisenia-foetida-exposed-to-retnoic-acid
#1
Jing Tao, Wei Rong, Xiaoping Diao, Hailong Zhou
Exogenous retinoic acid delays and disturbs the regeneration of Eisenia foetida. The stem cell pluripotency factor, Sox2, can play a crucial role in cell reprogramming and dedifferentiation. In this study, we compared the regeneration of Eisenia foetida in different segments after amputation and the effects of retinoic acid on the regeneration of different segments. The results showed that the regeneration speed of the head and tail was slightly faster than the middle part, and retinoic acid disrupted and delayed the regeneration of the earthworm...
December 8, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/29207193/all%C3%A2-trans-retinoic-acid-reduces-endothelin%C3%A2-1-expression-and-increases-endothelial-nitric-oxide-synthase-phosphorylation-in-rabbits-with-atherosclerosis
#2
Linlin Tao, Yumei Nie, Ganxian Wang, Yanhui Ding, Junli Ding, Fangyuan Xiong, Songtao Tang, Yuan Wang, Birong Zhou, Huaqing Zhu
All-trans retinoic acid (ATRA) is a natural derivative of vitamin A that ameliorates atherosclerosis (AS) by regulating inflammatory factors. However, studies concerning the role of retinoic acid in artery endothelial function are rare. Therefore, the present study investigated its role in regulating the production of endothelin‑1 (ET‑1) and nitric oxide (NO) in rabbits with AS. The rabbits were randomly divided into 3 groups: The control group was administered an ordinary diet, while the high fat group and the ATRA drug intervention group were administered a high fat diet...
November 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29204175/preparation-and-in-vitro-characterization-of-retinoic-acid-loaded-poly-%C3%AE%C2%B5-caprolactone-poly-ethylene-glycol-poly-%C3%AE%C2%B5-caprolactone-micelles
#3
Ebrahim Shakiba, Saeedeh Khazaei, Marziyeh Hajialyani, Bandar Astinchap, Ali Fattahi
In order to achieve the controlled release of all-trans-retinoic acid (ATRA), poly(ε-caprolactone)-poly(ethylene glycol)-poly(ε-caprolactone) (PCL-PEG-PCL) copolymer with average molecular weight of 5.34 kDa was synthesized. The nanosized micelles were prepared from copolymer by nano-precipitation method. Critical association concentration (CAC) of micelles was measured by fluorimetry and results indicated low CAC value of micelles (1.9 × 10-3 g/L). ATRA was encapsulated in the core of micelles using different ratios of drug to copolymer...
December 2017: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29166739/-study-of-the-effects-and-mechanism-of-all-trans-retinoic-acid-on-leukemic-cell-line-u937-cells-with-npm1-mutation
#4
S W Qiu, Y L Wan, Y J Jia, Q Rao, M Wang, J X Wang
Objective: To investigate the effect and mechanism of all-trans retinoic acid (ATRA) on leukemic cell line U937 cells with NPM1 mutation. Methods: Human acute myeloid leukemia cell line U937 was explored, NPM1 mutated (A type) plasmids were transfected into U937 to form stable clones A1 and A2, which were identified by Western blot and Co-immunoprecipitation. The cell proliferation was measured by methylthiazolyl tetrazolium bromide (MTT) ; cell cycle and cell apoptosis were explored by flow cytometric; cell colony formation was measured by microscope count, the molecular pathways related to cell proliferation were measured by Western blot...
October 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29164236/posttranscriptional-regulation-of-loxl1-expression-via-alternative-splicing-and-nonsense-mediated-mrna-decay-as-an-adaptive-stress-response
#5
Daniel Berner, Matthias Zenkel, Francesca Pasutto, Ursula Hoja, Panah Liravi, Gabriele C Gusek-Schneider, Friedrich E Kruse, Johannes Schödel, Andre Reis, Ursula Schlötzer-Schrehardt
Purpose: Alternative mRNA splicing coupled to nonsense-mediated decay (NMD) is a common mRNA surveillance pathway also known to dynamically modulate gene expression in response to cellular stress. Here, we investigated the involvement of this pathway in the regulation of lysyl oxidase-like 1 (LOXL1) expression in response to pseudoexfoliation (PEX)-associated pathophysiologic factors. Methods: Transcript levels of LOXL1 isoforms were determined in ocular tissues obtained from donor eyes without and with PEX syndrome...
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29155646/combination-treatment-of-docosahexaenoic-acid-dha-and-all-trans-retinoic-acid-atra-inhibit-il-17-and-ror%C3%AE-t-gene-expression-in-pbmcs-of-patients-with-relapsing-remitting-multiple-sclerosis
#6
Ateke Mousavi Nasl-Khameneh, Abbas Mirshafiey, Abdorreza Naser Moghadasi, Reza Chahardoli, Maryam Mahmoudi, Karim Parastouei, Mir Saeed Yekaninejad, Ali Akbar Saboor-Yaraghi
OBJECTIVES: Multiple sclerosis (MS) is a demyelinating disorder with a complex autoimmune pathophysiology. Its initiation and progression correlate with IL-17 and the related transcription factor, RORγt. All-trans retinoic acid (ATRA) is a bioactive derivative of vitamin A, and docosahexaenoic acid (DHA) is an active metabolite of omega-3 fatty acid; both have immunomodulatory effects in many immune disorders. This study investigated the effects of DHA and ATRA individually and in combination on IL-17 and RORγt gene expression in peripheral blood mononuclear cells (PBMCs) of relapsing-remitting MS (RRMS) patients who were receiving interferon beta (IFN-β)...
November 18, 2017: Neurological Research
https://www.readbyqxmd.com/read/29141367/-differentiation-of-induced-pluripotent-stem-cells-into-neural-stem-cells-induced-by-brain-derived-neurotrophic-factor-via-wnt-%C3%AE-catenin-and-extracellular-signal-regulated-kinase-mitogen-activated-protein-kinases-signal-pathway
#7
S Q Chen, M Huang, C L Liu, Y Y Shen, Q Cai, P J Wang
Objective: To investigate the mechanism of brain-derived neurotrophic factor (BDNF) promoting induced pluripotent stem cells (iPSCs) to differentiate into neural stem cells (NSCs) via Wnt/β-catenin and extracellular signal-regulated kinase/mitogen-activated protein kinases (ERK/MAPK) signal pathways. Methods: iPSCs were cultured and identified. The iPSCs were induced to differentiate into NSCs by BDNF and retinoic acid (RA). Nestin was detected by immunofluorescence and flow cytometry after iPSCs differentiated...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29105464/-study-on-cellular-immunity-mechanisms-of-suspended-moxibustion-for-treating-neutrophilic-asthma-in-rats
#8
Wei Zhang, Bin Yao, Hui-Ming Cheng, Fan-Lei Meng
OBJECTIVE: To observe the influence of suspended moxibustion on neutrophilic asthma related signal factors in asthma rats. METHODS: Thirty-two SD rats were randomly divided into normal control, model, dexamethasone(DEX) and suspended moxibustion (MOX) groups, with 8 rats in each group. The neutrophil granulocyte asthma model was made by intranasal instillation of lipopolysaccharide (LPS), intraperitoneal injection of ovalbumin(OVA) and inhalation of OVA, once a day for 14 d...
October 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29094729/chinese-herbal-formula-fuzheng-huayu-alleviates-ccl4-induced-liver-fibrosis-in-rats-a-transcriptomic-and-proteomic-analysis
#9
Shu Dong, Fei-Fei Cai, Qi-Long Chen, Ya-Nan Song, Yang Sun, Bin Wei, Xiao-Yan Li, Yi-Yang Hu, Ping Liu, Shi-Bing Su
Liver fibrosis is a consequence of chronic liver disease that can progress to liver cirrhosis or even hepatocarcinoma. Fuzheng Huayu (FZHY), a Chinese herbal formula, has been shown to exert anti-fibrotic effects. To better understand the molecular mechanisms underlying the anti-fibrotic effects of FZHY, we analyzed transcriptomic and proteomic combination profiles in CCl4-induced liver fibrosis in rats, which were treated with extracted FZHY powder (0.35 g/kg/d, ig) for 3 weeks. We showed that FZHY administration significantly improved liver function, alleviated hepatic inflammatory and fibrotic changes, and decreased the hydroxyproline content in the livers of CCl4-treated rats...
November 2, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29077166/correlation-between-rar-%C3%AE-expression-in-lung-squamous-cell-carcinoma-tissues-and-prognosis
#10
P-Z Hou, G Jian, Z-Q Ma, Y Xu
OBJECTIVE: To explore the retinoic acid receptor-β (RAR-β) expression in lung squamous cell carcinoma (LSCC) tissues and its prognosis. PATIENTS AND METHODS: SP assay was used to detect the RAR-β expression in 100 cases of surgically resected LSCC tissues and 20 cases of peritumoral normal lung tissues, and prognosis follow-up was conducted. RESULTS: The overall positive expression rate of RAR-β was 54.00%, which was not correlated with age, gender, phase and pathological type (p>0...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29047260/gsk-j4-mediated-transcriptomic-alterations-in-differentiating-embryoid-bodies
#11
Chanchal Mandal, Sun Hwa Kim, Sung Chul Kang, Jin Choul Chai, Young Seek Lee, Kyoung Hwa Jung, Young Gyu Chai
Histone-modifying enzymes are key players in the field of cellular differentiation. Here, we used GSK-J4 to profile important target genes that are responsible for neural differentiation. Embryoid bodies were treated with retinoic acid (10 μM) to induce neural differentiation in the presence or absence of GSK-J4. To profile GSKJ4-target genes, we performed RNA sequencing for both normal and demethylase-inhibited cells. A total of 47 and 58 genes were up- and down-regulated, respectively, after GSK-J4 exposure at a log2-fold-change cut-off value of 1...
October 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28962219/relationship-between-sex-hormones-and-rig-i-signaling-in-peripheral-blood-mononuclear-cells-of-patients-infected-with-hepatitis-c-virus
#12
Fang Ping Wang, Ping An Zhang, Xiao Yan Yang
It has previously been suggested that men and women demonstrate differing immune responses to hepatitis C virus (HCV) infection, resulting in the investigation of the role of sex hormones and if they influence the anti-HCV response. The present study aimed to examine if hormone levels were associated with interferon (IFN) signaling pathways in peripheral blood mononuclear cells of 131 patients infected with HCV and 113 healthy controls. HCV infection was diagnosed based on the presence of anti-HCV antibodies and HCV RNA in serum...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28920418/myogenic-satellite-cells-differentiation-with-linolenic-and-retinoic-and-thiazolidenediones-from-prepubertal-korean-black-goat
#13
Sugathan Subi, Sungjin Lee, Supriya Shiwani, Naresh Kumar Singh
Objective: Myogenic satellite cells were isolated from semitendinosus muscle of prepubertal Korean black goat to observe the differential effect of linolenic and retinoic acid in thepresence of thiazolidinediones and also to observe the production insulin sensitive preadipocyte. Methods: Cells were characterized for its stemness with CD 34, CD 13, CD 106, CD44, Vimentin surface markers using flow cytometry. Cells characterized themselves to possess significant (p<0...
September 18, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28915036/collagen-peptides-from-crucian-skin-improve-calcium-bioavailability-and-structural-characterization-by-hplc-esi-ms-ms
#14
Tao Hou, Yanshuang Liu, Danjun Guo, Bo Li, Hui He
The effects of collagen peptides (CPs), which are derived from crucian skin, were investigated in a retinoic acid-induced bone loss model. The level of serum bone alkaline phosphatase (BALP) in the model group (117.65 ± 4.66 units/L) was significantly higher than those of the other three groups (P < 0.05). After treatment with 600 and 1200 mg of CPs/kg, the level of BALP decreased to 85.26 ± 7.35 and 97.03 ± 7.21 units/L, respectively. After treatment with 600 mg of CPs/kg, the bone calcium content significantly increased by 22% (femur) and 12...
October 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28912874/dietary-vitamin-b6-modulates-the-gene-expression-of-myokines-nrf2-related-factors-myogenin-and-hsp60-in-the-skeletal-muscle-of-rats
#15
Sofya Suidasari, Shinji Uragami, Noriyuki Yanaka, Norihisa Kato
Previous studies have suggested that vitamin B6 is an ergogenic factor. However, the role of dietary vitamin B6 in skeletal muscle has not been widely researched. The aim of the present study was to investigate the effects of dietary vitamin B6 on the gene expression of 19 myokines, 14 nuclear factor erythroid 2-related factor 2 (Nrf2)-regulated factors, 8 myogenesis-related factors and 4 heat shock proteins (HSPs), which may serve important roles in skeletal muscles. Rats were fed a diet containing 1 (marginal vitamin B6 deficiency), 7 (recommended dietary level) or 35 mg/kg of pyridoxine (PN) HCl/ for 6 weeks...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28892130/fgl2-deteriorates-cardiac-function-in-experimental-autoimmune-myocarditis-rats-through-regulation-of-pd-1-and-inflammatory-cytokines
#16
Zhenzhong Zheng, Yinghui Yu, Ratnakar Potla, Yujing Wu, Hao Wu
PD-1 plays an important role in protecting against inflammation and myocyte damage in T cell mediated myocarditis. To understand whether FGL2 can affect the role of PD-1/PD-L1 pathway in experimental autoimmune myocarditis (EAM),we investigated the cardiac function in EAM rats overexpressing FGL2. Overexpression of FGL2 significantly decreased PD-1 and deteriorated cardiac function in autoimmune myocarditis rats. Histopathology revealed increased inflammatory cell infiltrate in EAM-FGL2 rats compared to the control groups (EAM, EAM-GFP, and NC)...
September 11, 2017: Immunology
https://www.readbyqxmd.com/read/28865358/fabrication-of-all-trans-retinoic-acid-loaded-biocompatible-precirol-a-strategy-for-escaping-dose-dependent-side-effects-of-doxorubicin
#17
Mehdi Sabzichi, Jamal Mohammadian, Marjan Ghorbani, Somaiyeh Saghaei, Hadi Chavoshi, Fatemeh Ramezani, Hamed Hamishehkar
BACKGROUND: Drug delivery-based nanoparticles have been emerged to be an alternative and efficient approach to cancer therapy compared to conventional systems. Here, we investigated the role of all-trans retinoic acid (ATRA) formulated with precirol in increasing doxorubicin (Dox) induced apoptosis and cell cycle arrest in MDA-MB-231 breast cancer cells. METHODS: ATRA-loaded Nano structured lipid carriers (NLCs) were evaluated in terms of particle size, zeta potential, Fourier transforms infrared spectroscopy (FTIR), cell internalization, and scanning electron microscope (SEM)...
August 25, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28810607/effects-of-low-dose-of-ethanol-on-the-senescence-score-brain-function-and-gene-expression-in-senescence-accelerated-mice-8-samp8
#18
Akiko Kimoto, Hanae Izu, Churan Fu, Sofya Suidasari, Norihisa Kato
Accumulating epidemiological evidence suggests light to moderate alcohol intake reduces risk of several chronic diseases. However, there is limited information regarding the effects of low alcohol intake in animal studies. This study investigated the effect of low ethanol dosage on senescence-accelerated mouse (SAMP8), an animal model of aging and neurodegenaration. Male SAMP8 mice (11 weeks old) had free access to a commercial stock diet with drinking water containing 0, 1 or 2% (v/v) ethanol for 15 weeks...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28736154/retinoic-acid-induces-differentiation-of-buffalo-bubalus-bubalis-embryonic-stem-cells-into-germ-cells
#19
Syed Mohmad Shah, Suresh Kumar Singla, Prabhat Palta, Radhey Sham Manik, Manmohan Singh Chauhan
Development of precise and reproducible culture system for in vitro differentiation of embryonic stem (ES) cells into germ cells counts as a major leap forward for understanding not only the remarkable process of gametogenesis, otherwise obscured by limited availability of precursor primordial germ cells (PGCs), but in finally treating the catastrophic infertility. Taking into account the significant role of retinoic acid (RA) during in vivo gametogenesis, we designed the present study to investigate the effects of its stimulation on directing the differentiation of ES cells into germ cells...
August 16, 2017: Gene
https://www.readbyqxmd.com/read/28727051/carotenoid-intake-and-scd-genotype-exert-complementary-effects-over-fat-content-and-fatty-acid-composition-in-duroc-pigs
#20
E Henriquez-Rodriguez, R N Pena, A R Seradj, L Fraile, P Christou, M Tor, J Estany
Nutritional and genetic strategies are needed to enhance intramuscular fat (IMF) and MUFA content without altering carcass leanness. Dietary vitamin A restriction has been suggested to specifically promote IMF, whereas a polymorphism of the () gene has shown to specifically increase MUFA. The purpose of this study was to investigate the combined effects of provitamin A (PVA) carotenoid intake and genotype (>) on hepatic retinoid content and on the liver, muscle (LM and gluteus medius [GM]), and subcutaneous fat (SF) content and fatty acid composition...
June 2017: Journal of Animal Science
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