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Cell cycle

Xem 1-20 trên 158 kết quả Cell cycle
  • In this study, the evolution of the dislocation cell structure and variation of mechanical properties of structural steel under low-cycle fatigue were studied using the indentation experiment, optical microscope, and transmission electron microscope examinations.

    pdf13p viyoko 20-09-2024 5 1   Download

  • The aim of this study was to evaluate the outcomes of initial Paclitaxel - Carboplatin (TC) treatment in patients with advanced non - small cell lung cancer. A total of 38 patients diagnosed with de novo NSCLC stage from IIIB to IV were underwent TC regimen from 2 to 6 cycles between February 2021 and July 2022 at Hue university of medicine and pharmacy hospital and Hue central hospital.

    pdf6p vinatisu 29-08-2024 4 1   Download

  • The patient, a 22-year-old female, was diagnosed with diffuse large B-cell lymphoma (an aggressive non-Hodgkin’s lymphoma). The patient had completed 6 cycles of R-CHOP (from March 2018 to July 2018). After that, the patient was re-examined regularly monthly (manifested with moderate and hypochromic anemia, bone marrow aspiration was negative for malignancy).

    pdf4p vinatisu 29-08-2024 3 1   Download

  • . In vitro biological evaluation revealed the most active compound 4d with an inhibitory concentration of 42.87 μM against K562 and 47.42 μM on A549 cells. The anticancer activity of this naphthylidene isoxazolidinedione derivative was evident by cell cycle and apoptosis assays, which showed arrest of the G2/M phase (65.6%) of the K562 cells and induction of apoptosis with 21.47% apoptotic cells as compared to 0.2% of untreated cells, respectively.

    pdf10p dianmotminh02 03-05-2024 5 3   Download

  • The primary objectives of this study were to: Investigate the fouling potential, and characterise the organic components of the membrane foulant layers, of clarified activated sludge and lagoon effluent obtained from the WTP; Investigate the fouling propensities of EOM and AOM derived from a blue-green algal culture as it passed through the growth cycle, ie., for which the cells had not been subject to physical disruption; Determine any difference in the fouling propensity of EOM and AOM and relate it to organic composition.

    pdf99p runthenight07 01-03-2023 3 3   Download

  • It is of great urgency to explore useful prognostic markers for patients with clear cell renal cell carcinoma (ccRCC). Prognostic models based on ferroptosis-related gene (FRG) in ccRCC is poorly reported for now.

    pdf11p vielonmusk 21-01-2022 23 1   Download

  • Cancer cells prefer utilizing aerobic glycolysis in order to exacerbate tumor mass and maintain un-regulated proliferative rates. As a key glycolytic activator, phosphofructo-2-kinase/fructose-2,6-bisphosphatase 3 (PFKFB3) has been implicated in multiple tumor type progression.

    pdf11p vielonmusk 21-01-2022 12 1   Download

  • The results showed that the RPA reaction, without requiring complex thermal cycles, was well-performed in the optimal conditions of 39°C within only 25 minutes. The limit of detection was identified as 310 fg of L. monocytogenes genomic DNA, which was 1000-fold more sensitive than the conventional PCR. RPA also succeeded to directly detect L. monocytogenes cells at a concentration as low as 2.5 × 101 Colony Forming Unit (CFU)/mL in pure cultures. In addition, RPA could accurately detect L. monocytogenes at 2.5 × 102 CFU/mL in milk without sample extraction or processing.

    pdf5p mudbound 10-12-2021 17 2   Download

  • The mRNA transcription of inflammation-related genes and cell cycle-associated genes decreased or delayed. The protein expressions of proliferation-related marker PCNA and proliferationassociated signaling pathway components JNK1, NF-κB and STAT3 reduced or retarded. There was stronger activation of proapoptotic proteins caspase-3, caspase-8 and BAX in the IL-1R1 KO mice at different time points (p < 0.05 or p < 0.01). IL-1R1 KO reduced inflammation and caused impaired liver regeneration after 2/3 partial hepatectomy in aged mice.

    pdf10p thiencuuchu 27-11-2021 9 1   Download

  • A new electromechanical press for fuel pellet manufacturing was built last year in partnership between CEA-Marcoule and ChampalleAlcen. This press was developed to shape pellets in a hot cell via remote handling. It has been qualified to show its robustness and to optimize the compaction cycle, thus obtaining a better sintered pellet profile and limiting damage.

    pdf9p christabelhuynh 30-05-2020 14 0   Download

  • In this paper the applicability of breed-and-burn to molten salt reactors is investigated first on a cell level using a modified neutron excess method. Several candidate fuel salts are selected and their performance in a conceptual three-dimensional reactor is investigated.

    pdf10p christabelhuynh 29-05-2020 6 0   Download

  • This chapter provides knowledge of cell cycle. The main contents of this chapter include all of the following: List the phases of the cell cycle and describe the key events of each phase, describe the process of DNA replication.

    ppt9p tangtuy07 02-04-2016 31 1   Download

  • Bài giảng Chương 2: Bộ NST người và các kiểu đột biến NST trình bày về SS hữu tính và ổn định bộ NST; hình thái học NST eukaryote; tâm động và các kiểu NST; telomere; các kiểu băng NST; chu kỳ tế bào (cell cycle); giảm phân (meiosis); sự phát sinh giao tử;...Mời bạn đọc cùng tham khảo.

    ppt17p conchimnon32 26-06-2014 149 10   Download

  • Human immunodeficiency virus type 1 protein R (HIV-1 Vpr) promotes nuclear entry of viral nucleic acids in nondividing cells, causes G2 cell cycle arrest and is involved in cellular differentiation and cell death. Vpr subcellular localization is as variable as its functions. It is known, that consistent with its role in nuclear transport, Vpr localizes to the nuclear envelope of human cells. Further, a reported ion channel activity of Vpr is clearly dependent on its localization in or at membranes.

    pdf6p system191 01-06-2013 32 4   Download

  • Modelling of the fluxes in central metabolism can be performed by combining labelling experiments with metabolite balancing. Using this approach, multiple samples from a cultivation of Saccharomyces cerevisiae in metabolic and isotopic steady state were analysed, and the metabolic fluxes in central metabolism were estimated. In the various samples, the estimates of the central metabolic pathways, the tricarboxylic acid cycle, the oxidative pentose phosphate pathway and the anaplerotic pathway, showed an unprecedented reproducibility....

    pdf6p system191 01-06-2013 40 2   Download

  • The p25rum1 is an inhibitor of Cdc2 kinase expressed in fission yeast and plays an important role in cell-cycle control. As its amino-acid sequence suggests that p25rum1 has putative phosphorylation sites for mitogen-activated protein kinase (MAPK), we investigated the ability of MAPK to phosphorylate p25rum1. Direct in vitro kinase assay using GST-fusion proteins of wild-type as well as various mutants of p25rum1 demonstrated that MAPK phosphorylates the N-terminal portion of p25rum1 and residues Thr13 and Ser19 are major phosphorylation sites for MAPK....

    pdf11p research12 01-06-2013 46 4   Download

  • Conventional and saturation transfer electron paramagnetic resonance spectroscopy (EPR and ST EPR) was used to study the orientation of probe molecules in muscle fibers in different intermediate states of the ATP hydrolysis cycle. A separate procedure was used to obtain ST EPR spectra with precise phase settings even in the case of samples with low spectral intensity. Fibers prepared from rabbit psoas muscle were labeled with isothiocyanate spin labels at the reactive thiol sites of the catalytic domain of myosin....

    pdf10p research12 01-06-2013 38 6   Download

  • The naturally synchronous plasmodia of myxomycetes synthesize poly(b-L-malic acid), which carries out cell-specific functions. In Physarum polycephalum, poly(b-L-malate) [the salt form of poly(b-L-malic acid)] is highly concentrated in the nuclei, repressing DNA synthetic activity of DNA polymerases by the formation of reversible complexes. To test whether this inhibitory activity is cell-cycle-dependent, purified DNA polymerase a of P.

    pdf6p research12 01-06-2013 62 3   Download

  • During the last decade several novel yeast genes encoding proteins related to the PPP family of Ser/Thr protein phosphatases have been discovered and their functional characterization initiated. Most of these novel phosphatases display intriguing structural features and/or are involved in a number of important functions, such as cell cycle regulation, protein synthesis and maintenance of cellular integrity. While in some cases these genes appear to be restricted to fungi, in others similar proteins can be found in higher eukaryotes. ...

    pdf6p research12 01-06-2013 27 3   Download

  • The human replication protein Cdc6p is translocated from its chromatin sites to the cytoplasm during the replication phase (S phase) of the cell cycle. However, the amounts of Cdc6p on chromatin remain high during S phase implying either that displaced Cdc6p can rebind to chromatin, or that Cdc6p is synthesized de novo. We have performed metabolic labeling experiments and determined that [35S]methionine is incorporated into Cdc6p at similar rates during the G1 phase and the S phase of the cell cycle. Newly synthesized Cdc6p associates with chromatin....

    pdf7p research12 01-06-2013 39 3   Download

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