Results 61 to 70 of about 40,339 (186)

Trans-dominant cellular inhibition of DC-SIGN-mediated HIV-1 transmission

open access: yesRetrovirology, 2004
Background Dendritic cell (DC) transmission of human immunodeficiency virus (HIV) to CD4+ T cells occurs across a point of cell-cell contact referred to as the infectious synapse.
Breun Sabine KJ   +4 more
doaj   +1 more source

Sitravatinib enhances doxorubicin cytotoxicity in doxorubicin‐resistant K562/ADM cells

open access: yesBulletin of the Korean Chemical Society, EarlyView.
A repositioning‐based screening identified sitravatinib that synergistically enhances doxorubicin efficacy in doxorubicin‐resistant leukemia cells. Abstract Drug resistance remains a major obstacle in leukemia treatment, and combination therapy has emerged as an effective strategy to overcome this limitation. This study aimed to identify compounds with
Min Jeong Ahn   +3 more
wiley   +1 more source

Dengue virus infection mediates HMGB1 release from monocytes involving PCAF acetylase complex and induces vascular leakage in endothelial cells.

open access: yesPLoS ONE, 2012
High mobility group box 1 (HMGB1) protein is released from cells as a pro-inflammatory cytokine in response to an injury or infection. During dengue hemorrhagic fever (DHF)/dengue shock syndrome (DSS), a number of pro-inflammatory cytokines are released,
Siew Pei Ong   +4 more
doaj   +1 more source

Dynamics of natural killer cell function upon recurrent stimulation

open access: yesBiotechnology Progress, EarlyView.
Weekly stimulation of peripheral blood‐derived NK cells with engineered K562 feeder cells resulted in two distinct growth phases, shifting around Day 21–26. Cells in growth phase 2 exhibited slower growth, reduced metabolic activity, and lower cytotoxicity than cells from growth phase 1, which has implications for NK cell biomanufacturing.
Jennifer One   +4 more
wiley   +1 more source

Extracellular vesicle-mediated regulation of imatinib resistance in chronic myeloid leukemia via the miR-629-5p/SENP2/PI3K/AKT/mTOR axis

open access: yesHematology
Background Imatinib (IM) is the primary treatment for patients with chronic-phase CML (CML-CP). However, an increasing number of CML-CP patients have developed resistance to IM.
Yaqin Jiang   +8 more
doaj   +1 more source

Stafib‐2‐CR: an Improved Nanomolar and Selective Inhibitor of the Transcription Factor STAT5b Developed by Conformational Restriction of Stafib‐2

open access: yesChemistry – A European Journal, EarlyView.
Conformational restriction strategies to increase the activity and selectivity of the STAT5b inhibitor Stafib‐2 are presented. The best conformationally restricted inhibitor Stafib‐2‐CR has threefold higher activity against STAT5b than Stafib‐2. A cell‐permeable prodrug of Stafib‐2‐CR inhibits phosphorylation of STAT5b in cultured human leukemia cells ...
Theresa Münzel   +5 more
wiley   +1 more source

Effect of interaction of magnetic nanoparticles of Fe3O4 and artesunate on apoptosis of K562 cells

open access: yesInternational Journal of Nanomedicine, 2011
Ying Wang1, Yuxiang Han1, Yingying Yang1, Jingci Yang1, Xiaonan Guo1, Jingnan Zhang1, Ling Pan1, Guohua Xia2, Baoan Chen21Department of Hematology, the 2nd Hospital of Hebei Medical University, People’s Republic of China; 2Department of ...
Wang Y   +8 more
doaj  

FtH-Mediated ROS Dysregulation Promotes CXCL12/CXCR4 Axis Activation and EMT-Like Trans-Differentiation in Erythroleukemia K562 Cells

open access: yesFrontiers in Oncology, 2020
The cell-microenvironment communication is essential for homing of hematopoietic stem cells in stromal niches. Recent evidences support the involvement of epithelial-to-mesenchymal (EMT) process in hematopoietic stem cell homeostasis as well as in ...
Roberta Chirillo   +14 more
doaj   +1 more source

WT1 regulates cyclin�A1 expression in K562�cells

open access: yesOncology Reports, 2019
The restricted expression of Wilms tumor 1 (WT1) and cyclin A1 (CCNA1) in normal tissues, as opposed to their abnormal expression in leukemia demonstrates the applicability of WT1 and CCNA1 as cancer antigens for immunotherapy, and as markers for prognosis and relapse.
Sony, Pandey   +4 more
openaire   +3 more sources

Salt‐induced nutritional and metabolic shifts in halophytes: implications for food security

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Plant species vary in their response to salinity: some crops show a degree of salt tolerance, while halophytes – whether wild or cultivated – are characterized by a high capacity to thrive under saline conditions. Halophytes are considered a source of valuable secondary metabolites with potential economic value, yet they might also produce ...
Giulia Atzori   +9 more
wiley   +1 more source

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