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Epigenetics in B-CLL [PDF]

open access: yesInternational Journal of Genomics
B-cell chronic lymphocytic leukemia (B-CLL) is the most common hematological malignancy in adults. Its clinical course is heterogeneous, ranging from indolent forms with slow progression to aggressive variants refractory to conventional treatment.
Alexandra Chu   +3 more
doaj   +3 more sources

CLL stereotyped B-cell receptor immunoglobulin sequences are recurrent in the B-cell repertoire of healthy individuals: Apparent lack of central and early peripheral tolerance censoring

open access: yesFrontiers in Oncology, 2023
IntroductionThe leukemic cells of patients with chronic lymphocytic leukemia (CLL) are often unique, expressing remarkably similar IGHV-IGHD-IGHJ gene rearrangements, “stereotyped BCRs”.
Stefano Vergani   +13 more
doaj   +1 more source

Characterizing Features of Human Circulating B Cells Carrying CLL-Like Stereotyped Immunoglobulin Rearrangements

open access: yesFrontiers in Oncology, 2022
Chronic Lymphocytic Leukemia (CLL) is characterized by the accumulation of monoclonal CD5+ B cells with low surface immunoglobulins (IG). About 40% of CLL clones utilize quasi-identical B cell receptors, defined as stereotyped BCR.
Davide Bagnara   +21 more
doaj   +1 more source

Autonomous B-cell receptor signaling and genetic aberrations in chronic lymphocytic leukemia-phenotype monoclonal B lymphocytosis in siblings of patients with chronic lymphocytic leukemia

open access: yesHaematologica, 2023
Clonal expansion of CD5-expressing B cells, commonly designated as monoclonal B lymphocytosis (MBL), is a precursor condition for chronic lymphocytic leukemia (CLL).
Edwin Quinten   +20 more
doaj   +1 more source

B-cell antigen receptor expression and phosphatidylinositol 3-kinase signaling regulate genesis and maintenance of mouse chronic lymphocytic leukemia

open access: yesHaematologica, 2022
Chronic lymphocytic leukemia (CLL) is a frequent lymphoproliferative disorder of B cells. Although inhibitors targeting signal proteins involved in B-cell antigen receptor (BCR) signaling constitute an important part of the current therapeutic protocols
Vera Kristin Schmid   +7 more
doaj   +1 more source

MicroRNA expression profiling identifies activated B cell status in chronic lymphocytic leukemia cells. [PDF]

open access: yesPLoS ONE, 2011
Chronic lymphocytic leukemia (CLL) is thought to be a disease of resting lymphocytes. However, recent data suggest that CLL cells may more closely resemble activated B cells.
Shuqiang Li   +9 more
doaj   +1 more source

IGHV1-69 B cell chronic lymphocytic leukemia antibodies cross-react with HIV-1 and hepatitis C virus antigens as well as intestinal commensal bacteria. [PDF]

open access: yesPLoS ONE, 2014
B-cell chronic lymphocytic leukemia (B-CLL) patients expressing unmutated immunoglobulin heavy variable regions (IGHVs) use the IGHV1-69 B cell receptor (BCR) in 25% of cases.
Kwan-Ki Hwang   +21 more
doaj   +1 more source

IGH 3’RR recombination uncovers a non-germinal center imprint and c-MYC-dependent IGH rearrangement in unmutated chronic lymphocytic leukemia

open access: yesHaematologica, 2023
Chronic lymphocytic leukemia (CLL) is an incurable indolent non-Hodgkin lymphoma characterized by tumor B cells that weakly express a B-cell receptor. The mutational status of the variable region (IGHV) within the immunoglobulin heavy chain (IGH) locus ...
Israa Al Jamal   +19 more
doaj   +1 more source

A combination of cytokines rescues highly purified leukemic CLL B-cells from spontaneous apoptosis in vitro. [PDF]

open access: yesPLoS ONE, 2013
B-chronic lymphocytic leukemia (B-CLL), the most common human leukemia, is characterized by predominantly non-dividing malignant mature CD5+ B lymphocytes with an apoptosis defect.
Hussein Ghamlouch   +5 more
doaj   +1 more source

The Hydropathy Index of the HCDR3 Region of the B-Cell Receptor Identifies Two Subgroups of IGHV-Mutated Chronic Lymphocytic Leukemia Patients With Distinct Outcome

open access: yesFrontiers in Oncology, 2021
The HCDR3 sequences of the B-cell receptor (BCR) undergo constraints in length, amino acid use, and charge during maturation of B-cell precursors and after antigen encounter, leading to BCR and antibodies with high affinity to specific antigens.
Arancha Rodríguez-Caballero   +31 more
doaj   +1 more source

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