Highly expanded clones

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August undefined, 2024

WebOct 14, 2024 · Some highly expanded clones appeared to differentially express genes associated with cytotoxicity (such as granzyme B, perforin, ITGB1, and CCL4), compared to the non-expanded clones . In another study, a subset of clonally expanded memory T cells characterized by CD27 − CCR7 − were found in the peripheral blood of patients … WebJun 29, 2024 · expansion for all three infections, with highly expanded clones having distinct transcriptional phenotypes relative to lowly expanded clones. Finally, we developed and utilized a bioinformatic ... analysis showed that more expanded clones (thicker lines in Figure 5B) were predominantly

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WebAug 21, 2024 · Our analysis showed that in response to immunization with ovalbumin or transfected cells that expressed a unique membrane protein, our Tg animals developed a more diverse plasma cell repertoire than controls, which manifested in greater numbers of different clones, and clusters with fewer highly expanded large clones, as identified by the … WebThe ratio of highly expanded clones (HECs) was significantly higher in non-tumor tissues than in tumor tissues when the HEC threshold was defined as 2% or greater (p < 0.05). Our analysis of the median Morisita-Horn index indicated weak TCR repertoire similarity between tumor and matched non-tumor tissues. The median number of shared clones in ... desk with shelf for monitor

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WebFeb 2, 2024 · A closer examination of the 30 most expanded clones from each repertoire ( Figure 3A) revealed that in many cases individual clones were represented by hundreds of … WebJan 19, 2024 · Incorporating T cell receptor and transcriptome analysis, we show that circulating memory T cells are highly expanded, display extensive overlap between sites … WebMar 13, 2014 · HTLV-2 has not been linked with a specific disease, whereas HTLV-1 infection can cause leukemia and profound neuropathology. It is well established that … chuck shropshire adairsville ga

Longitudinal single-cell analysis of a patient receiving adoptive cell …

Single-cell immune repertoire sequencing of B and T cells in …

WebJul 16, 2024 · Likewise, we observed highly expanded clones with significantly disparate affinities, as exemplified by the two most expanded clones of MS-5 (5.1 and 5.2), which … WebJan 16, 2012 · A second component (II) comprises highly expanded clones and appears as a long tail in the diagram and is marked in red. (C) Bars depict the contribution of both components to all CDR3 sequences and different CDR3 sequences (mean + SD). All data are based on the analysis of six 10–11-wk-old C57BL/6 mice housed under SPF conditions. chuck showsWebFeb 26, 2024 · We found supporting evidence from matched blood samples, in which clones highly expanded in blood showed evidence of parallel expansion in tumour and NAT (Fig. 1a). desk with shelves attached

"WebDec 22, 2024 · Further, highly expanded clones were frequently present before treatment and were later associated with tumors, consistent with peripherally expanded clones trafficking to tumor sites. In tumor biopsy samples, an influx of T cells after treatment was observed in responding patients. " - Highly expanded clones

Highly expanded clones

Clonally expanded plasma cell lineages in SARS-CoV-2 produce …

WebMar 11, 2024 · Investigating expansion patterns, the researchers observed that clones in clusters 8.2 and 8.3 that were expanded in blood and tumors frequently shared … Webfraction of the infected cells are from expanded clones(Fig.2,tablesS2andS3,andfig.S2).We validated the method for identifying expanded clones by making two completely independent libraries from cells from the last time point from patient 1; the same highly expanded clones were identified in both libraries. In some cases, clonal expansion was ...

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WebFeb 16, 2024 · They selected 132 expanded PC clones with the most abundant clonal lineages. These showed broad sequence diversity. As expected, the immunoglobulin class … WebApr 29, 2024 · This revealed that there was no direct correlation between clonal expansion (based on cell count of a clone) and antigen affinity, as highly expanded clones (cell …

WebNov 20, 2024 · The detailed analysis of the TCR β sequences of the expanded clones showed both a highly personalized response and high sequence similarity across individuals, especially between twins. This convergence allowed us to develop a supervised classifier that predicted YFV-reactive TCR β sequences with high specificity. WebApr 20, 2024 · In this study, we quantitatively tracked the expanded T cell clones and revealed their phenotype during Pneumocystis infection using scRNA-seq coupled with scTCR-seq. We comprehensively analyzed the composition and characteristics of clonal T cells, diversity of TCR repertoire, distribution of CDR3 length, and usage patterns of TCRβ …

WebSep 27, 2024 · Clonal analysis demonstrated that highly-expanded T cell clones were predominantly of the CD8 subtype, were ubiquitously present across all sampled regions, … WebJun 1, 2012 · Therefore, we here defined clones with a frequency of more than 0.5% of the analysed TCR to be highly expanded clones (HEC). Only 8.4% (mean, SEM 4.0%) of the …

WebFeb 18, 2024 · Importantly, Tconv, activated Tconv and Treg share highly-expanded clones contributing up to 65% of intratumoral Treg. Here we show that Treg in human breast cancer may considerably stem from antigen-experienced Tconv converting into secondary induced Treg through intratumoral activation.

desk with shelf to put into small bedroomWebAug 26, 2024 · Several highly-expanded clones were public across all mice infected with LCMV clone 13 (Fig. 2E). Although we did not sort for virus-specific cells, the expansion of some virus-specific Tfh cells ... desk with shelf wallpaper blackWebOct 10, 2024 · Across almost all participants, comparisons of clonotype frequencies from before and after vaccination were marked by pronounced, vaccine-induced expansions of S-specific CD8 + clones: 93% of the highly vaccine-expanded S-reactive clonotypes were CD8 + (Fig. 2a, 2b) – with fold-expansions ranging from 4- to > 100-fold in response to mRNA … chuck shurley gifWebClones with a frequency of over 0.5% were considered to be highly expanded clones (HEC). Results In early RA synovium, the T-cell repertoire was dominated by 35 HEC (median, range 2–70) accounting for 56% of the TCR sequenced. The clonal dominance in the synovium was patient specific and significantly greater than in established RA (median of ... chuck shumer.comWebThe same clones were highly expanded in patient’s blood, and the degree of their expansion showed significant correlation with disease severity. By transducing α and β chains of the expanded clonotypes into a TCR-defective cell line, we confirmed that those cells were drug specific. Collectively, these results suggest that the relative ... desk with shelves folds upWebJun 1, 2024 · A higher frequency of highly expanded clones in normal lung tissues than in tumor tissues. The overall composition of TCRβ CDR3 clones with different frequencies is summarized in Table S2.The general frequencies of T cell clones were quite similar between cancer tissues and normal lung tissues, as shown in Figure S1.The percentage of clones … chuck siess duncan okWebNotably, we found a separate set of highly expanded PB clones in CD16-CD56- (DN) NK subset that were also contributing to TR NK cells in all tissues examined, both in Tr CD56-CD16+ and DN populations but absent in CD56+16- TR NK across all tissues analyzed. Additionally, we observed sets of TR NK clones specific to individual tissues such as ... chucks hyndland