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Retinoic Acid 0.05%

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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
#1
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
#2
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...
July 19, 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
#3
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
https://www.readbyqxmd.com/read/28704716/transcriptional-consequences-of-xpa-disruption-in-human-cell-lines
#4
Mandira Manandhar, Megan G Lowery, Karen S Boulware, Kevin H Lin, Yue Lu, Richard D Wood
Nucleotide excision repair (NER) in mammalian cells requires the xeroderma pigmentosum group A protein (XPA) as a core factor. Remarkably, XPA and other NER proteins have been detected by chromatin immunoprecipitation at some active promoters, and NER deficiency is reported to influence the activated transcription of selected genes. However, the global influence of XPA on transcription in human cells has not been determined. We analyzed the human transcriptome by RNA sequencing (RNA-Seq). We first confirmed that XPA is confined to the cell nucleus even in the absence of external DNA damage, in contrast to previous reports that XPA is normally resident in the cytoplasm and is imported following DNA damage...
June 29, 2017: DNA Repair
https://www.readbyqxmd.com/read/28683964/detrimental-effect-of-hypercholesterolemia-on-high-density-lipoprotein-particle-remodeling%C3%A2-in%C3%A2-pigs
#5
Teresa Padró, Judit Cubedo, Sandra Camino, Maria Teresa Béjar, Soumaya Ben-Aicha, Guiomar Mendieta, Joan Carles Escolà-Gil, Rafael Escate, Manuel Gutiérrez, Laura Casani, Lina Badimon, Gemma Vilahur
BACKGROUND: Beneficial effects of high-density lipoproteins (HDL) seem altered in patients with symptomatic cardiovascular disease. We recently demonstrated in a swine model of ischemia-reperfusion (IR) that hypercholesterolemia abolishes HDL-related cardioprotection. OBJECTIVES: This study sought to investigate, using the same animal model, whether the reported impairment of HDL cardioprotective function was associated with alterations in HDL remodeling and functionality...
July 11, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28668836/microrna-profiling-and-target-genes-related-to-metastasis-of-salivary-adenoid-cystic-carcinoma
#6
Xin Feng, Kyle Matsuo, Tan Zhang, Yunping Hu, Ashley C Mays, James D Browne, Xiaobo Zhou, Christopher A Sullivan
BACKGROUND/AIM: Perineural invasion and distant metastasis lead to a poor prognosis of adenoid cystic carcinoma and there is no effective therapy available. MicroRNAs (miRNAs) are small non-coding RNAs that regulate target gene expression, which can be biomarkers or therapeutic targets for certain cancer types. We aimed to identify miRNAs and their target genes possibly involved in metastasis of salivary gland adenoid cystic carcinoma (SACC). MATERIALS AND METHODS: Using Nanostring nCounter analysis, we examined miRNA expression in two SACC cell lines: SACC-83 and SACC-LM, with low and high lung metastasis rates, respectively...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28630384/modulation-of-cd4-t-cell-subsets-by-euphorbia-microciadia-and-euphorbia-osyridea-plant-extracts
#7
Haideh Namdari, Maryam Izad, Zahra Amirghofran
BACKGROUND: Euphorbia plants are traditionally used in folk medicine for infections, inflammation, and cancer. OBJECTIVES: To investigate the effects of the butanolic extracts of Euphorbia micorociadia and Euphorbia osyridea on specific transcription factors and cytokines expression of T cell subsets. METHODS: Activated mouse splenocytes were cultured in the presence of non-cytotoxic concentrations of the extracts. Cells were evaluated for the gene expressions of T cell transcription factors and cytokines of T helper (Th)1 [T-bet and interferon gamma (IFNγ)], Th17 [retinoic acid receptor related orphan receptor (RORγt) and interleukin (IL)-17], and T regulatory (Treg) cells [forkhead box P3(Foxp3), IL-10, and Transforming growth factor (TGF)-β] using real-time PCR...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28619073/genome-wide-pathway-analysis-identifies-vegf-pathway-association-with-oral-ulceration-in-systemic-lupus-erythematosus
#8
Adrià Aterido, Antonio Julià, Patricia Carreira, Ricardo Blanco, José Javier López-Longo, José Javier Pérez Venegas, Àlex Olivé, José Luís Andreu, Maria Ángeles Aguirre-Zamorano, Paloma Vela, Joan M Nolla, José Luís Marenco-de la Fuente, Antonio Zea, José María Pego, Mercedes Freire, Elvira Díez, María López-Lasanta, Mireia López-Corbeto, Núria Palau, Raül Tortosa, Josep Lluís Gelpí, Devin Absher, Richard M Myers, Antonio Fernández-Nebro, Sara Marsal
BACKGROUND: Systemic lupus erythematosus (SLE) is a genetically complex rheumatic disease characterized by heterogeneous clinical manifestations of unknown etiology. Recent studies have suggested the existence of a genetic basis for SLE heterogeneity. The objective of the present study was to identify new genetic variation associated with the clinically relevant phenotypes in SLE. METHODS: A two-stage pathway-based approach was used to identify the genetic variation associated with the main clinical phenotypes in SLE...
June 15, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28608760/plga-peg-ra-based-polymeric-micelles-for-tumor-targeted-delivery-of-irinotecan
#9
Jaber Emami, Parnian Maghzi, Farshid Hasanzadeh, Hojjat Sadeghi, Mina Mirian, Mahboubeh Rostami
To develop an effective therapeutic treatment, the potential of poly (lactic-co-glycolic acid)-polyethylene glycol-retinoic acid (PLGA-PEG-RA) polymeric micelles for targeted delivery of irinotecan to hepatocellular carcinoma (HepG2) and colorectal cancer cell lines (HT-29) was evaluated. PLGA-PEG-RA was synthesized by amide reaction of PLGA with NH2-PEG-NH2 and then PLGA-PEG-NH2 with RA and confirmed by FTIR and (1)H NMR spectroscopy. Irinotecan-loaded nanomicelles were prepared using thin-film hydration method and the impact of various formulation variables on their particle size (PS), polydispersity index (PDI), zeta potential (ZP), entrapment efficiency (EE), and mean release time (MRT) were assessed using a Taguchi design...
June 13, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28598825/retinoic-acid-related-orphan-receptor-alpha-rora-variants-and-risk-of-breast-cancer
#10
Mohammad Taheri, Mir Davood Omrani, Rezvan Noroozi, Shaghayegh Sarrafzadeh, Soudeh Ghafouri-Fard, Arezou Sayad
BACKGROUND: Breast cancer is the most common type of cancer and the second leading cause of cancer death in females. Despite numerous studies in this field, the etiology and clinical behavior of breast tumors have not been understood yet. Retinoid orphan nuclear receptor alpha (RORA) is a member of the orphan nuclear factor family involved in the regulation of lipid and steroid metabolism, immune response and circadian rhythms. Recent evidences support its role as a tumor suppressor gene...
June 2, 2017: Breast Disease
https://www.readbyqxmd.com/read/28591946/-the-effects-of-all-trans-retinoic-acid-on-the-expression-of-inflammatory-cytokines-and-cartilage-damage-related-protease-in-rats-with-collagen-induced-arthritis
#11
Xue-Jian Xie, Yu-Yan Shen, Jie Song, Ling-Yu Zhong, Yan-Hua Ning, Xiang Zeng, Jing-Yan Shan, Yang Liu, Yan-Feng Zhu, Yun Li
OBJECTIVES: To investigate the effects of all-trans retinoic acid (ATRA) on arthritis and the expressions of inflammatory cytokines and cartilage damage related proteases of the collagen-induced arthritis model (CIA) rats in vivo. METHODS: The CIA model of rheumatoid arthritis was induced with C2 and incomplete Freund's adjuvant. The rats were randomly divided into control group, CIA model group and two ATRA dose groups (ATRA 0.50 mg/kg group and ATRA 1.00 mg/kg group)...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28539859/human-induced-pluripotent-stem-cells-generated-neural-cells-behaving-like-brain-and-spinal-cord-cells-an-insight-into-the-involvement-of-retinoic-acid-and-sonic-hedgehog-proteins
#12
Akinlolu Abdulazeez Adelaja
OBJECTIVES: The previous studies generated neural progenitor cells (NPCs) from human induced pluripotent stem cells (hiPSCs) using different protocols. However, the nature of the temporal or regional specificity of NPCs derived using these protocols is not well defined. Therefore, this study aimed to generate age- and region-specific NPCs from hiPSCs, which mimic in vivo fetal brain (FNPC-B) or spinal cord (FNPC-SC) tissues, in the absence or presence of retinoic acid (RA) and sonic hedgehog (SHH)...
April 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/28538877/effects-of-isotretinoin-on-the-olfactory-function-in-patients-with-acne
#13
Demet Kartal, Mehmet Yaşar, Levent Kartal, Ibrahim Özcan, Murat Borlu
Background: Isotretinoin is a synthetic analog of vitamin A. Recent studies support a role for retinoic acid in the recovery of olfactory function following injury in mice. Objective: This study aimed at determining the effect of isotretinoin on olfactory function in patients who have acne and are otherwise healthy. Methods: Forty-five patients (aged 25-40 years) with acne were included in the study. All patients underwent a rhinological examination...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28536927/involvement-of-the-dna-mismatch-repair-system-in-cisplatin-sensitivity-of-testicular-germ-cell-tumours
#14
Christiane Rudolph, Cecilie Melau, John E Nielsen, Kristina Vile Jensen, Dekang Liu, Javier Pena-Diaz, Ewa Rajpert-De Meyts, Lene Juel Rasmussen, Anne Jørgensen
BACKGROUND: Testicular germ cell tumours (TGCT) are highly sensitive to cisplatin-based chemotherapy, but patients with tumours containing differentiated teratoma components are less responsive to this treatment. The cisplatin sensitivity in TGCT has previously been linked to the embryonic phenotype in the majority of tumours, although the underlying mechanism largely remains to be elucidated. The aim of this study was to investigate the role of the DNA mismatch repair (MMR) system in the cisplatin sensitivity of TGCT...
August 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28530548/critical-role-of-rig-i-and-mda5-in-early-and-late-stages-of-tulane-virus-infection
#15
Preeti Chhabra, Priya Ranjan, Theresa Cromeans, Suryaprakash Sambhara, Jan Vinjé
Human noroviruses are a major cause of acute gastroenteritis worldwide, but the lack of a robust cell culture system or small animal model have hampered a better understanding of innate immunity against these viruses. Tulane virus (TV) is the prototype virus of a tentative new genus, Recovirus, in the family Caliciviridae. Its epidemiology and biological properties most closely resemble human norovirus. The host innate immune response to RNA virus infection primarily involves pathogen-sensing toll-like receptors (TLRs) TLR3 and TLR7 and retinoic acid-inducible gene I-like receptor RIG-I and melanoma differentiation associated gene 5 (MDA5)...
May 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28526652/retinoic-acid-induces-differentiation-of-buffalo-bubalus-bubalis-embryonic-stem-cells-into-germ-cells
#16
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 30, 2017: Gene
https://www.readbyqxmd.com/read/28498349/desalted-duck-egg-white-peptides-promote-calcium-uptake-and-modulate-bone-formation-in-the-retinoic-acid-induced-bone-loss-rat-and-caco-2-cell-model
#17
Tao Hou, Yanshuang Liu, Nikolai Kolba, Danjun Guo, Hui He
Desalted duck egg white peptides (DPs) have been proven to promote calcium uptake in Caco-2 cells and rats treated with a calcium-deficient diet. The retinoic acid-induced bone loss model was used to evaluate the effect of DPs on calcium absorption and bone formation. Three-month-old Wistar female rats were treated with 0.9% saline, DPs (800 mg/kg), or alendronate (5 mg/kg) for three weeks immediately after retinoic acid treatment (80 mg/kg) once daily for two weeks. The model group was significantly higher in serum bone alkaline phosphatase than the other three groups (p < 0...
May 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28489911/human-%C3%AE-defensin-2-production-upon-viral-and-bacterial-co-infection-is-attenuated-in-copd
#18
Jason W Arnason, James C Murphy, Cora Kooi, Shahina Wiehler, Suzanne L Traves, Christopher Shelfoon, Barbara Maciejewski, Curtis J Dumonceaux, W Shawn Lewenza, David Proud, Richard Leigh
Viral-bacterial co-infections are associated with severe exacerbations of COPD. Epithelial antimicrobial peptides, including human β-defensin-2 (HBD-2), are integral to innate host defenses. In this study, we examined how co-infection of airway epithelial cells with rhinovirus and Pseudomonas aeruginosa modulates HBD-2 expression, and whether these responses are attenuated by cigarette smoke and in epithelial cells obtained by bronchial brushings from smokers with normal lung function or from COPD patients...
2017: PloS One
https://www.readbyqxmd.com/read/28485780/the-comparison-of-the-rejuvenation-effects-on-the-skin-of-wistar-rats-between-10600-nm-co2-fractional-laser-and-retinoic-acid
#19
Y Qu, W-Y Ma, Q Sun
OBJECTIVE: The fractional laser and topical retinoic acid treatment have been applied for skin rejuvenation; however, the possible molecular mechanism of promoting remodeling of dermis is not clearly. Here we aimed to compare the effects of 10600 nm CO2 fractional laser and topical retinoic acid formulation on the skin collagen proliferation of Wistar rats, and to further explore the possible molecular mechanism of promoting remodeling of dermis. MATERIALS AND METHODS: The hair on the back of Wistar rats was removed, and the back was divided equally into four regions with the cross-streaking method: A (the control group), B (the retinoic acid group), C (retinoic acid and fractional laser combination treatment group), and D (the fractional laser group)...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28474060/-changes-of-tgf-%C3%AE-1-expression-during-orthodontic-tooth-movement-in-rats-with-osteoporosis
#20
Ming-He Li, Yang Wang, Nan-Nan Liao, Jin-Yuan Li, Qing Dong
PURPOSES: To observe the expression and distribution of TGF-β1 in periodontal tissue under intervention of Strontium ranelate and Qianggu capsule during orthodontic tooth movement in rats, and explore the efficacy of the 2 drugs. METHODS: Seventy male SD rats of 3 months old were selected in the study, and randomly divided into control group, model control group, Strontium ranelate group, Qianggu capsule group, each group had 15 animals. Retinoic acid was given by gavage to animals in the control group, Strontium ranelate group, Qianggu capsule group for 2 weeks, and bone density was detected to determine successful establishment of osteoporosis model...
February 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
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