Transcription factor networks link B-lymphocyte development and malignant transformation in leukemia

M Sigvardsson - Genes & Development, 2023 - genesdev.cshlp.org
Rapid advances in genomics have opened unprecedented possibilities to explore the
mutational landscapes in malignant diseases, such as B-cell acute lymphoblastic leukemia …

Lineage-specific 3D genome organization is assembled at multiple scales by IKAROS

Y Hu, DS Figueroa, Z Zhang, M Veselits… - Cell, 2023 - cell.com
A generic level of chromatin organization generated by the interplay between cohesin and
CTCF suffices to limit promiscuous interactions between regulatory elements, but a lineage …

Pushing the TAD boundary: Decoding insulator codes of clustered CTCF sites in 3D genomes

H Huang, Q Wu - BioEssays, 2024 - Wiley Online Library
Topologically associating domain (TAD) boundaries are the flanking edges of TADs, also
known as insulated neighborhoods, within the 3D structure of genomes. A prominent feature …

Tuning cohesin trajectories enables differential readout of the Pcdhα cluster across neurons

L Kiefer, S Gaudin, SM Rajkumar, GIF Servito… - Science, 2024 - science.org
Expression of Protocadherin (Pcdh) genes is critical to the generation of neuron identity and
wiring of the nervous system. Pcdhα genes are arranged in clusters and exhibit a range of …

Molecular basis for differential Igk versus Igh V(D)J joining mechanisms

Y Zhang, X Li, Z Ba, J Lou, KE Gaertner, T Zhu, X Lin… - Nature, 2024 - nature.com
In developing B cells, V (D) J recombination assembles exons encoding IgH and Igκ
variable regions from hundreds of gene segments clustered across Igh and Igk loci. V, D and …

Locus folding mechanisms determine modes of antigen receptor gene assembly

BM Allyn, KE Hayer, C Oyeniran, V Nganga… - Journal of Experimental …, 2024 - rupress.org
The dynamic folding of genomes regulates numerous biological processes, including
antigen receptor (AgR) gene assembly. We show that, unlike other AgR loci, homotypic …

Addressing technical pitfalls in pursuit of molecular factors that mediate immunoglobulin gene regulation

E Engelbrecht, OL Rodriguez… - The Journal of …, 2024 - journals.aai.org
The expressed Ab repertoire is a critical determinant of immune-related phenotypes. Ab-
encoding transcripts are distinct from other expressed genes because they are transcribed …

m6A-Methylated NUTM2B-AS1 Promotes Hepatocellular Carcinoma Stemness Feature via Epigenetically Activating BMPR1A Transcription

W Li, M Zeng, Y Ning, R Lu, Y Wei, Z Xu… - Journal of …, 2024 - Taylor & Francis
Purpose Hepatocellular carcinoma (HCC) is one of the most lethal malignancies in the
world. Oncofetal proteins are the optimal diagnostic biomarkers and therapeutic targets for …

Enhancers of the PAIR4 regulatory module promote distal VH gene recombination at the Igh locus

L Hill, M Jaritz, H Tagoh, K Schindler… - The EMBO …, 2023 - embopress.org
While extended loop extrusion across the entire Igh locus controls VH‐DJH recombination,
local regulatory sequences, such as the PAIR elements, may also activate VH gene …

Lineage-and stage-specific activity of antigen receptor gene enhancers during lymphocyte development

F Ma, FZ Braikia, R Sen - Frontiers in Epigenetics and Epigenomics, 2024 - frontiersin.org
Lymphocyte development culminates with generation of mature B and T cells that express
unique antigen receptors on the cell surface. Genes that encode the two chains of B or T cell …