ArticleMolecular cancer2006
Altered Ca2+ homeostasis in polymorphonuclear leukocytes from chronic myeloid leukaemia patients.
Article in Molecular cancer, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Complement Immune System in Pulmonary Hypertension-Cooperating Roles of Circadian Rhythmicity in Complement-Mediated Vascular Pathology.International journal of molecular sciences · 2024Review
- Dysregulated Ca2+ homeostasis in Fanconi anemia cells.Scientific reports · 2015Article
- Type II PtdIns 4-kinase β associates with CD4-p56lck complex and is involved in CD4 receptor signaling.Molecular and cellular biochemistry · 2014Article
- ProfCom: a web tool for profiling the complex functionality of gene groups identified from high-throughput data.Nucleic acids research · 2008Article
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Authors and funding
3 authors.
Funding
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Abstract
backgroundIn polymorphonuclear leukocytes (PMNL), mobilization of calcium ions is one of the early events triggered by binding of chemoattractant to its receptors. Besides chemotaxis, a variety of other functional responses are dependent on calcium ion mobilization. PMNL from chronic myeloid leukaemia (CML) patients that were morphologically indistinguishable from normal PMNL were found to be defective in various functions stimulated by a chemoattractant - fMLP. To study the mechanism underlying defective functions in CML PMNL, we studied calcium mobilization in CML PMNL in response to two different classical chemoattractants, fMLP and C5a.
resultsRelease of calcium estimated by flow cytometry and spectrofluorimetry using fluo-3 as an indicator showed that the [Ca2+]i levels were lower in CML PMNL as compared to those in normal PMNL. But, both normal and CML PMNL showed maximum [Ca2+]i in response to fMLP and C5a at 10 sec and 30 sec, respectively. Spectrofluorimetric analysis of the total calcium release in chemoattractant treated PMNL indicated more and faster efflux of [Ca2+]i in CML PMNL as compared to normal PMNL.
conclusionFine-tuning of Ca2+ homeostasis was altered in CML PMNL. The altered Ca2+ homeostasis may contribute to the defective functions of CML PMNL.
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