نتایج جستجو برای: all trans retinoic acid
تعداد نتایج: 2555880 فیلتر نتایج به سال:
The activity of dietary and topical administration of three retinoids, all-trans-retinoic acid, 13-cis-retinoic acid, and N-(4-hydroxyphenyl)retinamide (4-HPR), as promoters of skin tumor induction in SENCAR mice was studied. When administered as dietary supplements at their maximum tolerated dose levels, all three retinoids promoted tumorigenesis in mice initiated with a single topical dose of...
Purpose: The seminal vesicles are androgen dependent exocrine glands producing protein-rich secretion. The retinoic acid has been implicated as a signaling molecule for the seminal vesicle development. In the present study, the effect of retinoic acid on seminal vesicle epithelial cell of neonatal mouse was investigated. Materials and Methods: Newborn male N-MRI mice were injected intraperiton...
Ecotropic viral integration site 1 (EVI1) plays important roles in leukaemia and development, and its expression is temporally and spatially highly restricted during the latter process. Nevertheless, the only physiological agent that to date has been shown to regulate transcription of this gene in mammalian cells is all-trans retinoic acid. Here we describe the identification of a retinoic acid...
Blood vitamin A profiles, including concentrations of retinol and its active metabolite retinoic acid, were assessed during the peripartum period and during experimentally induced Escherichia coli mastitis in heifers. Serum retinol decreased in all animals in the immediate postpartum period and normalized within 1 wk after parturition. No significant changes were detectable in the concentration...
Backgrounds and Objectives: All-trans retinoic acid (ATRA) which is a derivative of vitamin A, exert fundamental effects on regulation of cell growth, differenation and apoptosis. Recently, resistance to cisplatin and 5-fluorouracil developed in gastric adenocarcinoma and squamous cell carcinoma. In this study, we investigated the combination treatment of ATRA with cisplatin and 5-fluorouracil ...
OBJECTIVES Hypervitaminosis A and alcoholism can result in a low mineral density and compromised regenerative capacity of bone, thus delaying implant osteointegration. The inhibitory effect of all-trans retinoic acid on osteoblastogenesis is considered to be one of the mechanisms. We hypothesized that heterodimeric bone morphogenetic protein-2/7 could antagonize all-trans retinoic acid and enha...
All-trans retinoic acid (ATRA) induced rhabdomyolysis in the induction treatment of acute promyelocytic leukemia (APL) is a very rare complication. However, rhabdomyolysis-related acute renal failure increases the risk of high morbidity and mortality. Here we describe a case of rhabdomyolysis associated with ATRA during the induction therapy in an adult with APL. Clinical implications are discu...
BACKGROUND AND OBJECTIVES All-trans retinoic acid (ATRA) is an anti-tumor agent capable of controlling the hypercoagulable state associated with malignancy. Among hemostasis-regulating functions, ATRA modulates the procoagulant and fibrinolytic properties of endothelial cells (EC) from large vessels (HUVEC). In this study we investigated whether ATRA may affect the same activities of EC derived...
Squamous cell carcinoma (SCC) of the skin is the most clinically aggressive form of nonmelanoma skin cancer. We have determined the effects of all-trans retinoic acid (ATRA), a naturally occurring chemopreventive retinoid, on signal transducer and activator of transcription 3 (Stat3) signaling during the development of skin SCC. Stat3 is a transcription factor that plays a critical role in cell...
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