Abstract:
:The melanin-inducing properties of cirsimaritin were investigated in murine B16F10 cells. Cirsimaritin is an active flavone with methoxy groups, which is isolated from the branches of Lithocarpus dealbatus. Tyrosinase activity and melanin content in murine B16F10 melanoma cells were increased by cirsimaritin in a dose-dependent manner. Western blot analysis revealed that tyrosinase, tyrosinase-related protein (TRP) 1, TRP2 protein levels were enhanced after treatment with cirsimaritin for 48 h. Cirsimaritin also upregulated the expression of microphthalmia-associated transcription factor (MITF) after 24 h of treatment. Furthermore, cirsimaritin induced phosphorylation of cyclic adenosine monophosphate (cAMP) response element-binding protein (CREB) in a dose-dependent manner after treatment for 15 min. The cirsimaritin-mediated increase of tyrosinase activity was significantly attenuated by H89, a cAMP-dependent protein kinase A inhibitor. These findings indicate that cirsimaritin stimulates melanogenesis in B16F10 cells by activation of CREB as well as upregulation of MITF and tyrosinase expression, which was activated by cAMP signaling. Finally, the melanogenic effect of cirsimaritin was confirmed in human epidermal melanocytes. These results support the putative application of cirsimaritin in ultraviolet photoprotection and hair coloration treatments.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Kim HJ,Kim IS,Dong Y,Lee IS,Kim JS,Kim JS,Woo JT,Cha BYdoi
10.3390/ijms16048772subject
Has Abstractpub_date
2015-04-20 00:00:00pages
8772-88issue
4issn
1422-0067pii
ijms16048772journal_volume
16pub_type
杂志文章abstract::Well-run screening programs for cervical cancer in the population at risk have been shown to result in a sharp decrease in the incidence and mortality of cervical cancer in a number of large populations. Expression patterns of a recently identified biomarker family, microRNA, appear to be characteristic of tumor type ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms15010758
更新日期:2014-01-08 00:00:00
abstract::Acoustic wave biosensors are a real-time, label-free biosensor technology, which have been exploited for the detection of proteins and cells. One of the conventional biosensor approaches involves the immobilization of a monolayer of antibodies onto the surface of the acoustic wave device for the detection of a specifi...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms9020154
更新日期:2008-02-01 00:00:00
abstract::Skin cancer is the most common type of cancer worldwide. Ozone depletion and climate changes might cause a further increase in the incidence rate in the future. Although the early detection of skin cancer enables it to be treated successfully, some tumours can evolve and become more aggressive, especially in the case ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
doi:10.3390/ijms20225781
更新日期:2019-11-17 00:00:00
abstract::Metformin use in pregnancy is increasing worldwide as randomised controlled trial (RCT) evidence is emerging demonstrating its safety and efficacy. The Metformin in Gestational Diabetes (MiG) RCT changed practice in many countries demonstrating that metformin had similar pregnancy outcomes to insulin therapy with less...
journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
doi:10.3390/ijms19071954
更新日期:2018-07-04 00:00:00
abstract::A systematic study of the effect of composition on the thermo-physical properties of the binary mixtures of 1-methyl-3-pentyl imidazolium hexafluorophosphate [MPI][PF(6)] with poly(ethylene glycol) (PEG) [M(w) = 400] is presented. The excess molar volume, refractive index deviation, viscosity deviation, and surface te...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms12042598
更新日期:2011-01-01 00:00:00
abstract::O6-alkylguanine-DNA alkyltransferase (AGT) is the main cause of tumor cell resistance to DNA-alkylating agents, so it is valuable to design tumor-targeted AGT inhibitors with hypoxia activation. Based on the existing benchmark inhibitor O6-benzylguanine (O6-BG), four derivatives with hypoxia-reduced potential and thei...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms20246308
更新日期:2019-12-13 00:00:00
abstract::Despite intense research, few treatments are available for most neurological disorders. Demyelinating diseases are no exception. This is perhaps not surprising considering the multifactorial nature of these diseases, which involve complex interactions between immune system cells, glia and neurons. In the case of multi...
journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
doi:10.3390/ijms160921215
更新日期:2015-09-07 00:00:00
abstract::Resistance to conventional chemotherapeutic agents, a typical feature of cholangiocarcinoma, prevents the efficacy of the therapeutic arsenal usually used to combat malignancy in humans. Mechanisms of chemoresistance by neoplastic cholangiocytes include evasion of drug-induced apoptosis mediated by autocrine and parac...
journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
doi:10.3390/ijms18010149
更新日期:2017-01-13 00:00:00
abstract::Nanoscale secondary ion mass spectrometry (NanoSIMS) combined with transmission electron microscopy (TEM) can be a powerful approach to visualize the exact distribution of drugs at the sub-cellular level. In this work, we exploit this approach to identify the distribution and localisation of the organometallic rutheni...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms18091869
更新日期:2017-08-29 00:00:00
abstract::The objective of this study was to investigate the underlying mechanisms behind the radiation-sensitising effects of the antennapedia proteins (ANTP)-smacN7 fusion protein on tumour cells. ANTP-SmacN7 fusion proteins were synthesised, and the ability of this fusion protein to penetrate cells was observed. Effects of r...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms141224087
更新日期:2013-12-11 00:00:00
abstract::Esculetin, a bioactive 6,7-dihydroxy derivative of coumarin, possesses pharmacological activities against obesity, diabetes, renal failure, and cardiovascular disorders (CVDs). Platelet activation plays a major role in CVDs. Thus, disrupting platelet activation represents an attractive therapeutic target. We examined ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms20112731
更新日期:2019-06-03 00:00:00
abstract::Gram-negative bacteria have an outer membrane inhibiting the entry of antibiotics. Porins, found within the outer membrane, are involved in regulating the permeability of β-lactam antibiotics. β-lactamases are enzymes that are able to inactivate the antibacterial properties of β-lactam antibiotics. Interestingly, pori...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms21082822
更新日期:2020-04-17 00:00:00
abstract::The objective of the study was to evaluate oxidative stress (OS) status in subjects with different cardiovascular risk factors. With this in mind, we have studied three models of high cardiovascular risk: hypertension (HT) with and without metabolic syndrome, familial hypercholesterolemia (FH) and familial combined hy...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms12096146
更新日期:2011-01-01 00:00:00
abstract::One of the major goals of the Chromosome-Centric Human Proteome Project (C-HPP) is to catalog and annotate a myriad of heterogeneous proteoforms, produced by ca. 20 thousand genes. To achieve a detailed and personalized understanding into proteomes, we suggest using a customized RNA-seq library of potential proteoform...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms21113813
更新日期:2020-05-27 00:00:00
abstract::Methyl jasmonate (MeJA), synthesized in the jasmonic acid (JA) pathway, has been found to upregulate glucosinolate (GS) biosynthesis in plant species of the Brassicaceae family. Exogenous application of MeJA has shown to increase tissue GS concentrations and the formation of myrosinase-mediated GS hydrolysis products ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms19041058
更新日期:2018-04-02 00:00:00
abstract::3,3'-Diindolylmethane (DIM) is a naturally derived chemopreventive compound. It comes from glucobrassicin, an indole glucosinolate enriched in cruciferous vegetables, and is formed in the acidic environment of the stomach after ingestion. Mouse double minute 2 homolog (MDM2) is an important, multi-functional oncogenic...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms21134642
更新日期:2020-06-30 00:00:00
abstract::In a previous study on chromate toxicity, an increase in the 2Fe2S electron paramagnetic resonance (EPR) signal from mitochondria was found upon addition of chromate to human bronchial epithelial cells and bovine airway tissue ex vivo. This study was undertaken to show that a chromate-induced increase in the 2Fe2S EPR...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms20051143
更新日期:2019-03-06 00:00:00
abstract::The mouse model of Alzheimer's disease (AD), Tg2576 mice (APP), has provided valuable information, such as the role of the metallothionein (MT) family in their behavioral and amyloidosis phenotypes. In this study, we further characterize the role of MT-1 by crossing Mt1-overexpressing mice with Tg2576 mice (APPTgMT). ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms18020251
更新日期:2017-01-26 00:00:00
abstract::Plants are constantly subjected to a variety of environmental stresses and have evolved regulatory responses to overcome unfavorable conditions that might reduce or adversely change a plant's growth or development. Among these, the regulated production of reactive oxygen species (ROS) as a signaling molecule occurs du...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms20061413
更新日期:2019-03-20 00:00:00
abstract::Aqueous solutions of isovaline and its precursor molecule, 5-ethyl-5-methylhydantoin, were irradiated with ultraviolet and γ-ray photons, to evaluate their structural stability against space radiation. The degree of photolysis was measured and irradiation products were identified using chiral, reversed-phase and ion-e...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms13011006
更新日期:2012-01-01 00:00:00
abstract::Psoralea corylifolia L., (P. corylifolia), which is used for treating vitiligo in clinic, shows inhibitory and activating effects on tyrosinase, a rate-limiting enzyme of melanogenesis. This study aimed to determine the active ingredients in the ethenal extracts of P. corylifolia on tyrosinase activity. The spectrum-e...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms19113439
更新日期:2018-11-02 00:00:00
abstract::MCP-1-induced protein (MCPIP, also known as Zc3h12a or Regnase-1), a newly identified suppressor of cytokine signaling, is expressed in endothelial cells (ECs). To investigate the role of endothelial MCPIP in vascular homeostasis and function, we deleted the MCPIP gene specifically in ECs using the Cre-LoxP system. EC...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms20010172
更新日期:2019-01-05 00:00:00
abstract::Microbial fuel cells (MFCs) represent a novel technology for wastewater treatment with electricity production. Electricity generation with simultaneous nitrate reduction in a single-chamber MFC without air cathode was studied, using glucose (1 mM) as the carbon source and nitrate (1 mM) as the final electron acceptor ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms13033933
更新日期:2012-01-01 00:00:00
abstract::General cognitive (intelligence) function is substantially heritable, and is a major determinant of economic and health-related life outcomes. Cognitive impairments and intelligence decline are core features of schizophrenia which are evident before the onset of the illness. Genetic overlaps between cognitive impairme...
journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
doi:10.3390/ijms19123822
更新日期:2018-11-30 00:00:00
abstract::A state of the art proteomic methodology using Matrix Assisted Laser Desorption/Ionization-Time of Flight (MALDI TOF) has been employed to characterize peptides modulated in the date palm stem subsequent to infestation with red palm weevil (RPW). Our analyses revealed 32 differentially expressed peptides associated wi...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms160819326
更新日期:2015-08-17 00:00:00
abstract::The centromere, in which kinetochore proteins are assembled, plays an important role in the accurate congression and segregation of chromosomes during cell mitosis. Although the function of the centromere and kinetochore is conserved from monocentric to holocentric, the DNA sequences of the centromere and components o...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms20235823
更新日期:2019-11-20 00:00:00
abstract::Dysregulation of blood sphingolipids is an emerging topic in clinical science. The objective of this study was to determine preanalytical biases that typically occur in clinical and translational studies and that influence measured blood sphingolipid levels. Therefore, we collected blood samples from four healthy male...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms19051390
更新日期:2018-05-07 00:00:00
abstract::This study explored the inhibiting effect and mechanism of myricanol on lung adenocarcinoma A549 xenografts in nude mice. Forty nude mice with subcutaneous A549 xenografts were randomly divided into five groups: high-dose myricanol (40 mg/kg body weight) group; middle-dose myricanol (20 mg/kg body weight) group; low-d...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms16022717
更新日期:2015-01-26 00:00:00
abstract::Poly(ADP-ribose)polymerase-1 (PARP1) is a nuclear protein implicated in DNA repair, recombination, replication, and chromatin remodeling. The aim of this study was to evaluate possible differences between PARP1(-/-) and wild-type mice regarding induction and repair of DNA lesions in irradiated male germ cells. Comet a...
journal_title:International journal of molecular sciences
pub_type: 杂志文章
doi:10.3390/ijms140918078
更新日期:2013-09-04 00:00:00
abstract::The interaction between programmed cell death protein (PD-1) and its ligand (PD-L1) is one of the main pathways used by some tumors to escape the immune response. In recent years, immunotherapies based on the use of antibodies against PD-1/PD-L1 have been postulated as a great promise for cancer treatment, increasing ...
journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
doi:10.3390/ijms20092296
更新日期:2019-05-09 00:00:00