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Areen M Khattabi et al.
Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society, 26(7), 1022-1026 (2018-11-13)
The objective of this research was to investigate the effect of polymer length on the in vitro characteristics of thymoquinone-melatonin (TQ-MLT) when loaded into our previously prepared targeted drug delivery system (TDDS). Our system constructed from silica nanoparticles (NPs) and
Chien-Chun Steven Pai et al.
Immunity, 50(2), 477-492 (2019-02-10)
Resistance to checkpoint-blockade treatments is a challenge in the clinic. We found that although treatment with combined anti-CTLA-4 and anti-PD-1 improved control of established tumors, this combination compromised anti-tumor immunity in the low tumor burden (LTB) state in pre-clinical models
Shiyan Song et al.
International journal of molecular medicine, 43(2), 868-878 (2018-11-30)
The present study aimed to examine the expression of FK‑506 binding protein 52 (FKBP52) in the ovary tissues of rats with polycystic ovarian syndrome (PCOS) and its action on mediating androgen receptor (AR) through the mitogen‑activated protein kinase (MAPK)/extracellular signal‑regulated
Emmanuelle Rochette et al.
International journal of sports medicine, 39(11), 867-874 (2018-08-18)
The aim of this study was to measure the impact, at 24 h post-exercise, of a single exercise bout on plasma inflammatory markers such as calprotectin, IL-6, sIL-6 R, sgp130 and the hypothalamic-pituitary-adrenal (HPA) axis in children with juvenile idiopathic arthritis (JIA).Twelve
Erica Buoso et al.
Pharmacological research, 120, 180-187 (2017-04-05)
Dehydroepiandrosterone (DHEA) can counteract the activity of cortisol by modulating the glucocorticoid receptor β (GRβ) expression and antagonizing the binding of GRα to the glucocorticoid responsive element (GRE) in RACK1 (Receptor for Activated C Kinase 1) promoter. These observations are
Ying Xu et al.
FEBS open bio, 9(10), 1817-1825 (2019-08-23)
Polycystic ovary syndrome (PCOS) is a major cause of anovulatory sterility in women, and most PCOS patients exhibit hyperandrogenism (HA). Liver kinase b1 (LKB1) is a tumor suppressor that has recently been reported to be involved in PCOS. However, the
Simone Kersseboom et al.
Endocrinology, 158(10), 3307-3318 (2017-09-25)
The thyroid hormone (TH) analog eprotirome (KB2115) was developed to lower cholesterol through selective activation of the TH receptor (TR) β1 in the liver. Interestingly, eprotirome shows low uptake in nonhepatic tissues, explaining its lipid-lowering action without adverse extrahepatic thyromimetic
So-Hye Hong et al.
Molecular medicine reports, 19(5), 3903-3911 (2019-03-22)
Female sex steroid hormones, including estradiol (E2) and progesterone (P4), serve significant physiological roles in pregnancy. In particular, E2 and P4 influence placenta formation, maintain pregnancy and stimulate milk production. These hormones are produced by ovaries, adrenal glands and the
Yun Teng et al.
The Journal of biological chemistry, 290(25), 15799-15811 (2015-05-15)
Little is known about the regulation of the oncomiR miR-21 in liver. Dehydroepiandrosterone (DHEA) regulates gene expression as a ligand for a G-protein-coupled receptor and as a precursor for steroids that activate nuclear receptor signaling. We report that 10 nm
Silke Matysik et al.
Steroids, 99(Pt B), 151-154 (2015-02-07)
A fast and sensitive GC-MS/MS method is proposed to determine pregnenolone, dehydroepiandrosterone (DHEA), testosterone and dihydrotestosterone from human plasma. Steroids were extracted by liquid/liquid extraction, and derivatized with N-methyl-N-trimethylsilyl-trifluoracetamide. Electron ionization at 30eV was applied to generate high abundant precursor
Darong Wang et al.
Steroids, 96, 73-80 (2015-02-01)
In this work, we demonstrated that calcium (Ca(+2)) is able to induce a conformational change in trans-dehydroandrosterone (DHEA). To this respect, solid-state NMR spectroscopy was applied to a series of DHEA molecules that were incubated with Ca(+2) under different concentrations.
Lina Schiffer et al.
European journal of endocrinology, 177(3), R125-R143 (2017-06-02)
Female androgen excess and male androgen deficiency manifest with an overlapping adverse metabolic phenotype, including abdominal obesity, insulin resistance, type 2 diabetes mellitus, non-alcoholic fatty liver disease and an increased risk of cardiovascular disease. Here, we review the impact of
Juilee Rege et al.
The Journal of clinical endocrinology and metabolism, 98(3), 1182-1188 (2013-02-07)
A broad analysis of adrenal gland-derived 19-carbon (C19) steroids has not been reported. This is the first study that uses liquid chromatography-tandem mass spectrometry to quantify 9 C19 steroids (androgens and their precursors), estrone, and estradiol in the adrenal vein
Thomas Piper et al.
Drug testing and analysis, 9(11-12), 1695-1703 (2017-08-25)
In the course of investigations into the metabolism of testosterone (T) by means of deuterated T and hydrogen isotope ratio mass spectrometry, a pronounced influence of the oral administration of T on sulfoconjugated steroid metabolites was observed. Especially in case
Julia Y Gorday et al.
Developmental psychobiology, 60(4), 483-490 (2018-04-10)
The error-related negativity (ERN) is a negative deflection in the event-related potential occurring when individuals make mistakes. The ERN has been proposed as a biomarker for anxiety and a substantial amount of research suggests the ERN increases across development. Further
Tomasz Wilmanski et al.
Cancer letters, 411, 171-181 (2017-10-13)
Maintaining reductive-oxidative (redox) balance is an essential feature in breast cancer cell survival, with cellular metabolism playing an integral role in maintaining redox balance through its supply of reduced NADPH. In the present studies, the effect of 1,25-dihydroxyvitamin D (1,25(OH)
Yasuhide Miyoshi et al.
The Prostate, 76(4), 376-382 (2015-12-01)
There is no consensus on blood adrenal androgen concentrations in men with different stages and pathological grades of prostate cancer. In this study, dehydroepiandrosterone (DHEA) concentrations in blood were examined by ultrasensitive liquid chromatography-tandem mass spectrometry (LC-MS/MS). We analyzed the
Chris S Earl et al.
EMBO molecular medicine, 7(8), 1018-1033 (2015-05-23)
Glucocorticosteroids are used as a main treatment to reduce airway inflammation in people with asthma who suffer from neutrophilic airway inflammation, a condition frequently associated with Haemophilus influenzae colonization. Here we show that glucocorticosteroids have a direct influence on the
Alexandr N Simonov et al.
PloS one, 10(11), e0141252-e0141252 (2015-11-21)
Cytochrome P450c17 (P450 17A1, CYP17A1) is a critical enzyme in the synthesis of androgens and is now a target enzyme for the treatment of prostate cancer. Cytochrome P450c17 can exhibit either one or two physiological enzymatic activities differentially regulated by
Chun-Ju Lin et al.
Biochemical pharmacology, 90(3), 288-296 (2014-05-31)
Inhibition of 17α-hydroxylase/17,20-lyase (CYP17), which dictates the proceeding of androgen biosynthesis, is recommended as an effective treatment for androgen-dependent diseases. However, androgen depletion by selective CYP17 inhibition is accompanied with corticosteroid elevation, which increases risk of cardiovascular diseases. In this
Anu Vaikkinen et al.
Analytica chimica acta, 880, 84-92 (2015-06-21)
Steroids have important roles in the progress of pregnancy, and their study in maternal urine is a non-invasive method to monitor the steroid metabolome and its possible abnormalities. However, the current screening techniques of choice, namely immunoassays and gas and
Theodora Calogeropoulou et al.
Journal of medicinal chemistry, 52(21), 6569-6587 (2009-10-23)
DHEA analogues with modifications at positions C3 or C17 were synthesized and evaluated for neuroprotective activity against the neural-crest-derived PC12 cell model of serum deprivation-induced apoptosis. The most potent compounds were the spiro-epoxy derivatives 17beta-spiro[5-androstene-17,2'-oxiran]-3beta-ol (20), (20S)-3beta,21-dihydroxy-17beta,20-epoxy-5-pregnene (23), and (20R)-3beta,21-dihydroxy-17alpha,20-epoxy-5-pregnene
Artem Cherkasov et al.
Journal of medicinal chemistry, 51(7), 2047-2056 (2008-03-12)
A benchmark data set of steroids with known affinity for sex hormone-binding globulin (SHBG) has been widely used to validate popular molecular field-based QSAR techniques. We have expanded the data set by adding a number of nonsteroidal SHBG ligands identified
Federico Ponzetto et al.
Analytical and bioanalytical chemistry, 408(3), 705-719 (2015-12-18)
The detection of testosterone abuse in sports is routinely achieved through the 'steroidal module' of the Athlete Biological Passport by GC-MS(/MS) quantification of selected endogenous anabolic androgenic steroids (EAAS) from athletes' urines. To overcome some limitations of the "urinary steroid
Michael Römer et al.
PloS one, 9(5), e97640-e97640 (2014-05-17)
In the area of omics profiling in toxicology, i.e. toxicogenomics, characteristic molecular profiles have previously been incorporated into prediction models for early assessment of a carcinogenic potential and mechanism-based classification of compounds. Traditionally, the biomarker signatures used for model construction
Yanfeng Zhu et al.
Molecular medicine reports, 14(6), 5325-5333 (2016-11-15)
Isoflavone is a type of phytoestrogen that exists in soy‑based products. Previous studies have reported that certain foods containing isoflavones, particularly infant formula, may have potential adverse effects on male reproductive function. However, few studies have focused on the effects
Haizhen Wang et al.
Nature, 546(7658), 426-430 (2017-06-14)
D-type cyclins (D1, D2 and D3) and their associated cyclin-dependent kinases (CDK4 and CDK6) are components of the core cell cycle machinery that drives cell proliferation. Inhibitors of CDK4 and CDK6 are currently being tested in clinical trials for patients
Shuaihua Pu et al.
The British journal of nutrition, 115(6), 1012-1023 (2016-01-26)
Fatty acid ethanolamides (FAE), a group of lipid mediators derived from long-chain fatty acids (FA), mediate biological activities including activation of cannabinoid receptors, stimulation of fat oxidation and regulation of satiety. However, how circulating FAE levels are influenced by FA
Jason R Slizgi et al.
Toxicological sciences : an official journal of the Society of Toxicology, 149(1), 237-250 (2015-10-29)
Tolvaptan is a vasopressin V(2)-receptor antagonist that has shown promise in treating Autosomal Dominant Polycystic Kidney Disease (ADPKD). Tolvaptan was, however, associated with liver injury in some ADPKD patients. Inhibition of bile acid transporters may be contributing factors to drug-induced
Kai Cai et al.
Biochimica et biophysica acta, 1841(4), 552-562 (2013-12-27)
Diacylglycerol kinase theta (DGKθ) plays a pivotal role in regulating adrenocortical steroidogenesis by synthesizing the ligand for the nuclear receptor steroidogenic factor 1 (SF1). In response to activation of the cAMP signaling cascade nuclear DGK activity is rapidly increased, facilitating
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