Merck
Search Within
Applied Filters:
Keyword:'i3021'
Showing 1-30 of 88 results for "

i3021

" within Papers
Sort by Relevance
Chunyapuk Kukusamude et al.
Journal of chromatography. A, 1351, 110-114 (2014-06-09)
Sample clean-up by cloud point phase separation and analysis by capillary electrophoresis with stacking was developed for quaternary ammonium herbicides (i.e., paraquat and diquat) in milk. For sample clean-up, a mixture of 845μL of milk sample, 5μL of 100mM phosphoric
Toshimasa Akazawa et al.
Journal of neurochemistry, 109(4), 1079-1086 (2009-06-13)
Previous studies have shown that neurokinin 1 receptor (NK1R) occurs naturally in human glioblastomas and its stimulation causes cell proliferation. In the present study we show that stimulation of NK1R in human U373 glioblastoma cells by substance P increases Akt
Dorthe Helena Larsen et al.
The Journal of cell biology, 190(5), 731-740 (2010-09-02)
In response to ionizing radiation (IR), cells delay cell cycle progression and activate DNA repair. Both processes are vital for genome integrity, but the mechanisms involved in their coordination are not fully understood. In a mass spectrometry screen, we identified
Matteo Colombo et al.
Virology journal, 6, 59-59 (2009-05-19)
The genome of measles virus consists of a non-segmented single-stranded RNA molecule of negative polarity, which is encapsidated by the viral nucleoprotein (N) within a helical nucleocapsid. The N protein possesses an intrinsically disordered C-terminal domain (aa 401-525, N(TAIL)) that
John E Bradley et al.
Laboratory investigation; a journal of technical methods and pathology, 93(3), 365-374 (2013-01-30)
Thymocyte differentiation antigen-1 (Thy-1) is a glycosylphosphatidylinositol (GPI)-linked cell surface glycoprotein expressed on numerous cell types, which regulates signals affecting cell adhesion, migration, differentiation, and survival. In addition, Thy-1 has been detected in the serum, cerebral spinal fluid, wound fluid
Khalid Arhzaouy et al.
Autophagy, 15(6), 1082-1099 (2019-01-19)
Differentiated tissue is particularly vulnerable to alterations in protein and organelle homeostasis. The essential protein VCP, mutated in hereditary inclusion body myopathy, amyotrophic lateral sclerosis and frontotemporal dementia, is critical for efficient clearance of misfolded proteins and damaged organelles in
Rossella Avagliano Trezza et al.
Nature neuroscience, 22(8), 1235-1247 (2019-06-27)
Mutations affecting the gene encoding the ubiquitin ligase UBE3A cause Angelman syndrome. Although most studies focus on the synaptic function of UBE3A, we show that UBE3A is highly enriched in the nucleus of mouse and human neurons. We found that
Trícia Maria Ferreira de Sousa Oliveira et al.
Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria, 24(2), 220-222 (2015-07-15)
The relevance of the dog as a source of visceral leishmaniasis infection is known, but the role of cats as reservoir hosts for leishmaniasis is not yet fully clear. This study assessed the efficacy of conjunctival swab PCR (CS-PCR) in
Demirhan Citak et al.
Journal of AOAC International, 95(4), 1170-1175 (2012-09-14)
A cloud point extraction procedure was optimized for the separation and preconcentration of lead(II), cadmium(II), copper(II), and iron(III) ions in various water and canned food samples. The metal ions formed complexes with 2,6-diamino-4-phenyl-1,3,5-triazine that were extracted by surfactant-rich phases in
Giedrius Steponaitis et al.
Oncology letters, 12(5), 3305-3311 (2016-12-03)
Astrocytomas are one of the most common brain tumours; however, the current methods used to characterize these tumours are inadequate. The establishment of molecular markers may identify variables required to improve tumour characterization and subtyping, and may aid to specify
Pengyi Yang et al.
Cell systems, 8(5), 427-445 (2019-05-13)
Pluripotency is highly dynamic and progresses through a continuum of pluripotent stem cell states. The two states that bookend the pluripotency continuum, naive and primed, are well characterized, but our understanding of the intermediate states and transitions between them remains
Automated time-resolved immunofluorometric assay for Toxoplasma gondii-specific IgM and IgA antibodies: study of more than 130 000 filter-paper blood-spot samples from newborns.
Clinical Chemistry, 48(11), 1981-1986 (2002)
Hamta Shoaee et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 98, 70-75 (2012-09-18)
A cloud-point extraction process coupled to ICP-OES by using 3-nitro benzaldehyde thiosemicarbazone (3-NBT) as complexing agent was developed for the simultaneous preconcentration and determination of copper and mercury in water samples. The variables affecting the complexation and extraction steps were
Shikha Gupta et al.
Journal of pharmaceutical and biomedical analysis, 66, 33-39 (2012-04-03)
A new validated high-performance thin-layer chromatographic (HPTLC) method has been developed for the simultaneous quantitation of four antipsychotic indole alkaloids (IAs), reserpiline (RP, 1), α-yohimbine (YH, 2), isoreserpiline (IRP, 3) and 10-methoxy tetrahydroalstonine (MTHA, 4) as markers in the leaves
Ana Isabel de Los Santos-Velázquez et al.
Current biology : CB, 27(21), 3248-3263 (2017-10-24)
The nucleolus plays a pivotal role in multiple key cellular processes. An illustrative example is the regulation of mitotic exit in Saccharomyces cerevisiae through the nucleolar sequestration of the Cdc14 phosphatase. The peculiar structure of the nucleolus, however, has also
Soham Gupta et al.
Frontiers in immunology, 11, 437-437 (2020-04-01)
The hijacking of cellular function through expression of proteins that interfere with the activity of cellular enzymes and regulatory complexes is a common strategy used by viruses to remodel the cell environment in favor of their own replication and spread.
Christopher L Cunningham et al.
Neuron, 107(1), 126-143 (2020-04-29)
TMC1 and TMC2 (TMC1/2) have been proposed to form the pore of the mechanotransduction channel of cochlear hair cells. Here, we show that TMC1/2 cannot form mechanotransduction channels in cochlear hair cells without TMIE. TMIE binds to TMC1/2, and a
Holly L Johnson et al.
PloS one, 9(10), e111401-e111401 (2014-10-23)
Numerous neurological disorders are characterized by central nervous system (CNS) vascular permeability. However, the underlying contribution of inflammatory-derived factors leading to pathology associated with blood-brain barrier (BBB) disruption remains poorly understood. In order to address this, we developed an inducible
Xinmei Wang et al.
Annals of biomedical engineering, 45(10), 2269-2280 (2017-06-18)
Despite valvular heart diseases constituting a significant medical problem, the acquisition of information describing their pathophysiology remains difficult. Due to valvular size, role and location within the body, there is a need for in vitro systems that can recapitulate disease
Heinz Fischer et al.
PloS one, 6(3), e17581-e17581 (2011-03-11)
The cornified layer, the stratum corneum, of the epidermis is an efficient barrier to the passage of genetic material, i.e. nucleic acids. It contains enzymes that degrade RNA and DNA which originate from either the living part of the epidermis
Qingwen Deng et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 104, 64-69 (2012-12-26)
In this work, dispersive liquid-liquid microextraction (DLLME) was improved and the preconcentration method named as surfactant assisted emulsification dispersive liquid-liquid microextraction (SAE-DLLME) was established for ultra trace nickel preconcentration and spectrophotometric determination. Non-ionic surfactant Triton X-100 (TX-100) was used as
null
Filip Petković et al.
Glia, 64(12), 2104-2119 (2016-10-21)
Multiple sclerosis (MS) is a chronic demyelinating disease of the central nervous system. Interleukin (IL)-6 is a pleiotropic cytokine with a potential role in MS. Here we used transgenic mice with astrocyte-targeted production of IL-6 (GFAP-IL6Tg) to study the effect
Edward J D Greenwood et al.
Cell reports, 27(5), 1579-1596 (2019-05-03)
HIV-1 encodes four "accessory proteins" (Vif, Vpr, Vpu, and Nef), dispensable for viral replication in vitro but essential for viral pathogenesis in vivo. Well characterized cellular targets have been associated with Vif, Vpu, and Nef, which counteract host restriction and promote viral
Dimosthenis L Giokas et al.
Journal of chromatography. A, 1251, 33-39 (2012-07-13)
A novel two-step extraction technique combining cloud point extraction (CPE) with dispersive micro-solid phase extraction (D-μ-SPE) is presented in this work for the first time. The method involves initial extraction of the target analytes by CPE in the micelles of
R Lappe et al.
Natural product research, 26(23), 2259-2265 (2012-01-21)
Cerein 8A is an antimicrobial peptide with potential application against food spoilage and pathogenic bacteria. The partitioning of cerein 8A was investigated in two liquid-liquid extraction systems that are considered promising for bioseparation and purification purposes. Aqueous two-phase systems (ATPSs)
Ana C A M Pajuaba et al.
Proteomics, 12(6), 820-831 (2012-04-28)
Brucella abortus is a Gram-negative intracellular bacterium that causes infectious abortion in food-producing animals and chronic infection in humans. This study aimed to characterize a B. abortus S19 antigen preparation obtained by Triton X-114 (TX-114) extraction through immunoproteomics to differentiate
Ebru Ates et al.
Journal of AOAC International, 94(6), 1853-1862 (2012-02-11)
A cloud point extraction method is reported using LC/MS for the determination of regulated water-soluble food colors (Allura Red, Sunset Yellow, erythrosine, and tartrazine) and banned fat-soluble synthetic azo dyes (Sudan I, II, III, and IV; Red B; 7B; Black
Adam J Lowe et al.
Methods in molecular biology (Clifton, N.J.), 899, 265-275 (2012-06-28)
Endotoxin removal is critical when producing therapeutic proteins in bacterial systems. This hydrophobic compound can be removed through chromatography or filtration, but presents unique challenges dependent upon protein composition as well as production scale. Here we present a robust method
Stuart K Archer et al.
PLoS pathogens, 5(8), e1000565-e1000565 (2009-08-29)
Many genes that are required at specific points in the cell cycle exhibit cell cycle-dependent expression. In the early-diverging model eukaryote and important human pathogen Trypanosoma brucei, regulation of gene expression in the cell cycle and other processes is almost
Page 1 of 3
Page 1 of 3