نتایج جستجو برای: BTK Expression
تعداد نتایج: 873168 فیلتر نتایج به سال:
background: the b-cell defect in x-linked agammaglobulinemia (xla) is caused by mutations in the gene for bruton's tyrosine kinase (btk). btk mutations result in deficient expression of btk protein in peripheral blood monocytes. methods: using the anti-btk monoclonal antibody (48-2h), a flow cytometric analysis of intra cytoplasmic btk protein expression in monocytes was performed to ident...
Background: The B-cell defect in X-linked agammaglobulinemia (XLA) is caused by mutations in the gene for Bruton's tyrosine kinase (BTK). BTK mutations result in deficient expression of BTK protein in peripheral blood monocytes. Methods: Using the anti-BTK monoclonal antibody (48-2H), a flow cytometric analysis of intra cytoplasmic BTK protein expression in monocytes was performed to identify I...
Correlation of Null Btk Expression and Gene Noncoding Mutations in XLA Patients Nasseri S1, Sorouri R2, Pourpak Z3, Rezaei N4, Moin M5, Parvaneh N6, Aghamohammadi A7 1 Dept of Molecular Biology, Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran 2 Baqiyatallah University of Medical Sciences, Tehran, Iran and, Zanjan University of Medical Scien...
The B-cell defect in X-linked agammaglobulinemia (XLA) is caused by mutations in the gene for Bruton's tyrosine kinase (BTK). Using the anti-BTK monoclonal antibody (48-2H), a flow cytometric analysis of intracytoplasmic BTK protein expressed in monocytes was successfully performed. To examine the possible identification of XLA patients and female carriers by this assay, we studied 41 unrelated...
We previously explored the role of BTK in maintaining multiple myeloma stem cells (MMSCs) self-renewal and drug-resistance. Here we investigated the elevation of BTK suppressing MM cellular senescence, a state of irreversible cellular growth arrest. We firstly discovered that an increased expression of BTK in MM samples compared to normal controls by immunohistochemistry (IHC), and significant ...
Bruton's tyrosine kinase (Btk) acts downstream of phosphoinositide 3-kinase (PI3K) in a pathway required for B cell receptor (BCR)-dependent proliferation. We used DNA microarrays to determine what fraction of genes this pathway influences and to investigate whether PI3K and Btk mediate distinct gene regulation events. As complete loss-of-function mutations in PI3K and Btk alter B cell subpopul...
Standard interventions for glioma include surgery, radiation and chemotherapies but the prognosis for malignant cases such as glioblastoma multiforme remain grim. Even with targeted therapeutic agent, bevacitumab, malignant glioma often develops resistance and recurrence. Thus, developing alternative interventions (therapeutic targets, biomarkers) is urgently required. Bruton's tyrosine kinase ...
Mutations in the Bruton agammaglobulinemia tyrosine kinase (BTK) gene are responsible for X-linked agammaglobulinemia (XLA). Unfolded or misfolded proteins can trigger stress pathways in the endoplasmic reticulum (ER), known as unfolded protein response (UPR). The aim was to clarify the involvement of UPR in XLA pathophysiology. By reverse transcription-quantitative PCR, we evaluated the expres...
X-linked agammaglobulinemia (XLA) is an inherited immunodeficiency that results from mutations within the gene encoding Bruton's tyrosine kinase (BTK). Many XLA-associated mutations affect splicing of BTK pre-mRNA and severely impair B cell development. Here, we assessed the potential of antisense, splice-correcting oligonucleotides (SCOs) targeting mutated BTK transcripts for treating XLA. Bot...
Bruton's tyrosine kinase (Btk) is essential for B-lineage development and represents an emerging family of non-receptor tyrosine kinases implicated in signal transduction events initiated by a range of cell surface receptors. Increased dosage of Btk in normal B cells resulted in a striking enhancement of extracellular calcium influx following B-cell antigen receptor (BCR) cross-linking. Ectopic...
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