Genetic and non-genetic mechanisms of resistance to BCR signaling inhibitors in B cell malignancies

L Ondrisova, M Mraz - Frontiers in oncology, 2020 - frontiersin.org
The approval of BTK and PI3K inhibitors (ibrutinib, idelalisib) represents a revolution in the
therapy of B cell malignancies such as chronic lymphocytic leukemia (CLL), mantle-cell …

Phospholipase C families: Common themes and versatility in physiology and pathology

M Katan, S Cockcroft - Progress in lipid research, 2020 - Elsevier
Abstract Phosphoinositide-specific phospholipase Cs (PLCs) are expressed in all
mammalian cells and play critical roles in signal transduction. To obtain a comprehensive …

Enrichment of BTK Leu528Trp mutations in patients with CLL on zanubrutinib: potential for pirtobrutinib cross-resistance

P Blombery, ER Thompson, TE Lew, IS Tiong… - Blood …, 2022 - ashpublications.org
The covalent Bruton's tyrosine kinase inhibitors (BTKis) are highly effective for the treatment
of chronic lymphocytic leukemia (CLL). The dominant resistance mechanism observed with …

Chromatin mapping and single-cell immune profiling define the temporal dynamics of ibrutinib response in CLL

AF Rendeiro, T Krausgruber, N Fortelny, F Zhao… - Nature …, 2020 - nature.com
The Bruton tyrosine kinase (BTK) inhibitor ibrutinib provides effective treatment for patients
with chronic lymphocytic leukemia (CLL), despite extensive heterogeneity in this disease. To …

Resistance-associated mutations in chronic lymphocytic leukemia patients treated with novel agents

L Sedlarikova, A Petrackova, T Papajik… - Frontiers in …, 2020 - frontiersin.org
Inhibitors of B-cell receptor signaling, ibrutinib and idelalisib, and BCL-2 antagonist,
venetoclax, have become the mainstay of treatment for chronic lymphocytic leukemia (CLL) …

Absence of BTK, BCL2, and PLCG2 Mutations in Chronic Lymphocytic Leukemia Relapsing after First-Line Treatment with Fixed-Duration Ibrutinib plus Venetoclax

N Jain, LJ Croner, JN Allan, T Siddiqi, A Tedeschi… - Clinical Cancer …, 2024 - AACR
Abstract Purpose: Mutations in BTK, PLCG2, and BCL2 have been reported in patients with
progressive disease (PD) on continuous single-agent BTK or BCL2 inhibitor treatment. We …

Orally bioavailable BTK PROTAC active against wild-type and C481 mutant BTKs in human lymphoma CDX mouse models

YS Lim, SM Yoo, V Patil, HW Kim, HH Kim… - Blood …, 2023 - ashpublications.org
Bruton tyrosine kinase (BTK) is an important signaling hub that activates the B-cell receptor
(BCR) signaling cascade. BCR activation can contribute to the growth and survival of B-cell …

Resistance mutations to BTK inhibitors originate from the NF-κB but not from the PI3K-RAS-MAPK arm of the B cell receptor signaling pathway

CIE Smith, JA Burger - Frontiers in immunology, 2021 - frontiersin.org
Since the first clinical report in 2013, inhibitors of the intracellular kinase BTK (BTKi) have
profoundly altered the treatment paradigm of B cell malignancies, replacing chemotherapy …

Overcoming ibrutinib resistance in chronic lymphocytic leukemia

B Puła, A Gołos, P Górniak, K Jamroziak - Cancers, 2019 - mdpi.com
Ibrutinib is the first Bruton's tyrosine kinase (BTK) inhibitor, which showed significant clinical
activity in chronic lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL) …

The role of PLCγ2 in immunological disorders, cancer, and neurodegeneration

JT Jackson, E Mulazzani, SL Nutt, SL Masters - Journal of Biological …, 2021 - ASBMB
Phosphatidylinositol-specific phospholipase Cγ2 (PLCγ2) is a critical signaling molecule
activated downstream from a variety of cell surface receptors that contain an intracellular …