Targeted chromatin capture (T2C) is a 3C-based method and is used to study the 3D chromatin organization, interactomes and structural changes associated with gene regulation, progression through the cell cycle, and cell survival and development. Low input targeted chromatin capture (low-T2C) is an optimized version of the T2C protocol for low numbers of cells. Here, we describe the protocol for low-T2C, including all experimental steps and bioinformatics tools in detail.
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http://dx.doi.org/10.1007/978-1-0716-1597-3_9 | DOI Listing |
Nat Cancer
January 2025
State Key Laboratory of Molecular Oncology, School of Life Sciences, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China.
Terminal exhaustion is a critical barrier to antitumor immunity. By integrating and analyzing single-cell RNA-sequencing and single-cell assay for transposase-accessible chromatin with sequencing data, we found that ETS variant 7 (ETV7) is indispensable for determining CD8 T cell fate in tumors. ETV7 introduction drives T cell differentiation from memory to terminal exhaustion, limiting antiviral and antitumor efficacy in male mice.
View Article and Find Full Text PDFExp Cell Res
January 2025
Department of Internal Medicine, Hebei Medical University, Shijiazhuang 050017, Hebei, China; Department of Cardiology, Hebei General Hospital, Shijiazhuang 050051, Hebei, China. Electronic address:
SRY-Box Transcription Factor-11 (SOX11) is a transcriptional regulatory factor that plays a crucial role in inflammatory responses. However, its involvement in atherosclerosis (AS), a cardiovascular disease driven by endothelial cell inflammation, remains unknown. This study aims to elucidate the role of SOX11 in AS.
View Article and Find Full Text PDFPLoS Genet
January 2025
Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada.
The synaptonemal complex (SC) is a protein-rich structure essential for meiotic recombination and faithful chromosome segregation. Acting like a zipper to paired homologous chromosomes during early prophase I, the complex is a symmetrical structure where central elements are connected on two sides by the transverse filaments to the chromatin-anchoring lateral elements. Despite being found in most major eukaryotic taxa implying a deeply conserved evolutionary origin, several components of the complex exhibit unusually high rates of sequence turnover.
View Article and Find Full Text PDFJ Gen Virol
January 2025
Division of Infection and Immunity, UCL, London, WC1E 6BT, UK.
Human immunodeficiency virus (HIV) is an exemplar virus, still the most studied and best understood and a model for mechanisms of viral replication, immune evasion and pathogenesis. In this review, we consider the earliest stages of HIV infection from transport of the virion contents through the cytoplasm to integration of the viral genome into host chromatin. We present a holistic model for the virus-host interaction during this pivotal stage of infection.
View Article and Find Full Text PDFMol Cancer Res
January 2025
The University of Texas Southwestern Medical Center, Dallas, TX, United States.
Elevated blood levels of estrogens are associated with poor prognosis in estrogen receptor-positive (ER+) breast cancers, but the relationship between circulating blood hormone levels and intracellular hormone concentrations are not well characterized. We observed that MCF-7 cells treated acutely with 17β-estradiol (E2) retain a substantial amount of the hormone even upon removal of the hormone from the culture medium. Moreover, global patterns of E2-dependent gene expression are sustained for hours after acute E2 treatment and hormone removal.
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