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GENE:

IGH (Immunoglobulin Heavy Locus)

i
Other names: IGH, Immunoglobulin Heavy Locus, Immunoglobulin Heavy Polypeptide, Joining Region, Immunglobulin Heavy Chain Variable Region, Immunoglobulin Heavy Diversity Cluster, Immunoglobulin Heavy Variable Cluster, D (Diversity) Region Of Heavy Chains, Immunoglobulin Heavy Diversity Group, Immunoglobulin Heavy Diversity Locus, Immunoglobulin Heavy Joining Cluster, Immunoglobulin Heavy Variable Group, J (Joining) Region Of Heavy Chains, Immunoglobulin Heavy Joining Group, Immunglobulin Heavy Chain, IGH.1@, IGHDY1, IGHD@, IGHJ@, IGHV@, IGD1, IGHJ, IGHV, IGH@
2d
Triplet regimens for frontline treatment of CLL-Great company or just a crowd? (PubMed, Hemasphere)
Standard frontline treatment of chronic lymphocytic leukemia (CLL) is with fixed-duration venetoclax-based doublets or indefinite covalent Bruton tyrosine kinase inhibitor (BTKI)...We recommend considering triplets in treatment naïve CLL patients with IGHV-U, TP53 wild type, anticipated low incidence/good tolerance of Gr ≥ 3 infection (<70 years old, no major comorbidity and fully immunized) who are well informed and prioritize maximal time off therapy at the expense of increased short-term logistical complexity. Future triplet research should focus on randomized trials in specific genomic subgroups, incorporating novel agents (e.g., non-covalent BTKI, BTK degrader, and next-generation BCL2 inhibitors) and new ways of adapting treatment duration to maximize efficacy and minimize toxicity.
Review • Journal • IO biomarker
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TP53 (Tumor protein P53) • IGH (Immunoglobulin Heavy Locus)
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TP53 wild-type
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Venclexta (venetoclax)
2d
The singularity of IGHV4-34 links infection, autoimmunity, and B-cell tumors. (PubMed, Blood)
This offers a focused site for blockade. IGHV4-34 is a paradigm of the plasticity of B cells, of interaction with potential autoantigens, and of their subversion in tumors.
Journal
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IGH (Immunoglobulin Heavy Locus)
5d
Can minimal residual disease be used to tailor therapy duration for chronic lymphocytic leukemia patients? (PubMed, Expert Rev Hematol)
Undetectable minimal residual disease (uMRD) has emerged as a critical prognostic and potentially predictive biomarker in chronic lymphocytic leukemia (CLL), particularly in venetoclax-based time-limited regimens...Ongoing trials will further define the role of MRD-adapted therapy duration in first-line CLL treatment. Overall, MRD is a powerful tool to move beyond one-size-fits-all regimens and may become integral in personalizing CLL management across diverse therapeutic regimens.
Journal • Minimal residual disease
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IGH (Immunoglobulin Heavy Locus)
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Venclexta (venetoclax)
8d
Venetoclax-based therapy in high-risk patients with relapsed/refractory multiple myeloma harboring t(11;14): a case report and review of the literature. (PubMed, J Med Case Rep)
Venetoclax combination regimen achieved excellent efficacy and safety in the treatment of relapsed/refractory multiple myeloma with t(11;14) in this case. The treatment of patients with relapsed and refractory multiple myeloma with t(11;14) by venetoclax still needs to be confirmed by more clinical studies.
Journal
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IGH (Immunoglobulin Heavy Locus)
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Chr t(11;14)
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Venclexta (venetoclax) • Darzalex (daratumumab) • dexamethasone
9d
Cytogenetic Testing in Newly Diagnosed Multiple Myeloma: Real World Evidence on Clinical Features and Adverse Outcomes for High Risk Groups. (PubMed, Clin Lymphoma Myeloma Leuk)
The cumulative burden of high-risk cytogenetic abnormalities predicts inferior survival in NDMM, underscoring the need for refined risk stratification and tailored therapeutic strategies.
Journal • Adverse events • HEOR • Real-world evidence
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IGH (Immunoglobulin Heavy Locus) • B2M (Beta-2-microglobulin)
13d
Nodal Marginal Zone Lymphoma with Prominent Expansion of PD-1+ T-Follicular Helper Cells: A Persistent Diagnostic Challenge with a Heterogeneous Mutational Architecture. (PubMed, Int J Mol Sci)
Notably, NGS and digital droplet PCR confirmed a TP53 frameshift mutation (c.902del; p.Pro301Glnfs*44) with a fractional abundance of 0.31% in the lymph node and a (c.742C>T; p.Arg248Trp) mutation (0.309%) in the bone marrow. Results underscore the importance of NGS-based clonality to diagnose NMZL with prominent PD1+ T-cell hyperplasia, and prompt further investigation into tissue-specific mutational signatures in these unusual cases.
Journal • PD(L)-1 Biomarker • IO biomarker
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TP53 (Tumor protein P53) • CD20 (Membrane Spanning 4-Domains A1) • PD-1 (Programmed cell death 1) • IGH (Immunoglobulin Heavy Locus) • KMT2D (Lysine Methyltransferase 2D) • NOTCH2 (Notch 2) • CD4 (CD4 Molecule) • TNFRSF14 (TNF Receptor Superfamily Member 14)
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TP53 mutation
14d
First-line treatment for CLL in the era of targeted therapy. (PubMed, Blood Cancer J)
The primary first-line treatment options for CLL comprise continuous therapies based on the BTK inhibitors ibrutinib, zanubrutinib, or acalabrutinib, or fixed-duration regimens combining the BCL2 inhibitor venetoclax with obinutuzumab or the BTK inhibitors ibrutinib or acalabrutinib (with or without obinutuzumab). Selecting the appropriate targeted therapy requires careful evaluation of a multitude of factors, including molecular disease features (especially del&lsqb;17p]/TP53 and IGHV mutational status), comorbidities, comedications, and the patient's preferences. Focusing on primary treatment options, we review data from the key controlled trials that support the first-line use of targeted therapies for patients with CLL, consider ongoing trials that may support clinical decision-making in the future, and assess the potential to personalize treatment regimens in CLL based on minimal residual disease status.
Review • Journal • IO biomarker
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TP53 (Tumor protein P53) • IGH (Immunoglobulin Heavy Locus)
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TP53 mutation • IGH mutation
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Venclexta (venetoclax) • Imbruvica (ibrutinib) • Gazyva (obinutuzumab) • Brukinsa (zanubrutinib) • Calquence (acalabrutinib)
15d
Measurable residual disease-guided combination of ibrutinib plus venetoclax versus FCR in previously untreated patients with intermediate-risk chronic lymphocytic leukaemia: a phase 2, randomised trial (ERADIC) from the FILO group. (PubMed, EClinicalMedicine)
We compared an MRD-guided, fixed-duration ibrutinib-venetoclax (IV) regimen to fludarabine-cyclophosphamide-rituximab (FCR) in this population. A patient profile suitable for an MRD-guided, fixed-duration IV regimen requires consideration of potential toxicities. Abbvie and Janssen France.
P2 data • Journal
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TP53 (Tumor protein P53) • IGH (Immunoglobulin Heavy Locus)
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Chr del(11q)
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Venclexta (venetoclax) • Imbruvica (ibrutinib) • Rituxan (rituximab) • cyclophosphamide • fludarabine IV
16d
Ibrutinib alternating with three cycles of interval fludarabine, cyclophosphamide, and rituximab (FCR) in adults with untreated chronic lymphocytic leukaemia as time-limited regimen: a single-arm, multicentre phase 2 trial in China. (PubMed, EClinicalMedicine)
Future studies should explore long-term durability beyond 5 years and validate MRD thresholds for treatment cessation. National Nature Science Foundation of China, the Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences, and Beijing Xisike Clinical Oncology Research Foundation.
P2 data • Journal
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TP53 (Tumor protein P53) • IGH (Immunoglobulin Heavy Locus)
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TP53 mutation • TP53 deletion
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Imbruvica (ibrutinib) • Rituxan (rituximab) • cyclophosphamide • fludarabine IV
16d
Rapidly progressive primary vitreoretinal lymphoma with optic disc involvement and retinal detachment. (PubMed, Am J Ophthalmol Case Rep)
This case illustrates a fulminant presentation of primary vitreoretinal lymphoma, characterized by rapidly progressive optic disc involvement and extensive serous retinal detachment. Despite the severity, early diagnostic vitrectomy followed by prompt intravitreal methotrexate enabled anatomical and functional recovery.
Journal
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IGH (Immunoglobulin Heavy Locus) • IL10 (Interleukin 10)
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methotrexate
18d
Lights and shades of front-line treatment with covalent BTK inhibitors combined with venetoclax in patients with chronic lymphocytic leukemia. (PubMed, Oncol Rev)
The cBTKi + V regimen is easy to manage and relatively well tolerated. However, cBTKi-related cardiovascular toxicities remain a limiting concern, especially for the use of cBTKi + V in some older patients.
Review • Journal
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TP53 (Tumor protein P53) • IGH (Immunoglobulin Heavy Locus)
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Venclexta (venetoclax) • Imbruvica (ibrutinib) • Brukinsa (zanubrutinib) • Calquence (acalabrutinib)
18d
Immunoglobulin heavy-chain status and stromal interactions shape ferroptosis sensitivity in chronic lymphocytic leukemia. (PubMed, Signal Transduct Target Ther)
Combining ibrutinib with the GPX4 inhibitor RSL3 enhances ferroptosis and improves antileukemic efficacy in vivo. Notably, ACSL1 is selectively upregulated in U-CLL cells and represents a targetable metabolic enhancer of ferroptosis sensitivity, as shown in vivo. Our findings reveal that TFRC and ACSL1 are functionally distinct yet targetable nodes that govern ferroptosis vulnerability in CLL patients and may guide novel therapeutic strategies for high-risk patients.
Journal
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TP53 (Tumor protein P53) • IGH (Immunoglobulin Heavy Locus) • GPX4 (Glutathione Peroxidase 4) • TFRC • ACSL1 (Acyl-CoA Synthetase Long Chain Family Member 1)
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TP53 mutation • IGH mutation
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Imbruvica (ibrutinib) • RSL3