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Single-cell transcriptome sequencing of macrophages in acute kidney injury

ABSTRACT: We uesd single-cell transcriptome sequencing technology to sequence the mononuclear phagocytes in the mice kidney, blood and spleen after acute kidney injury, and comprehensively describe characteristics of mononuclear phagocytes.

ORGANISM(S): Mus musculus

PROVIDER: GSE174324 | GEO | 2022/02/09

REPOSITORIES: GEO

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Resident Macrophages Reprogram Toward a Developmental State After Acute Kidney Injury

Project description:Background – Acute kidney injury (AKI) is a devastating clinical condition affecting at least two-thirds of critically ill patients and among these patients is associated with a greater than 60% risk of mortality. Kidney mononuclear phagocytes (MP) are necessary for pathogenesis and healing in mouse models of AKI and thus have been the subject of investigation as potential targets for clinical interventions. Methods and Results – We have determined that, after injury, F4/80Hi-expressing kidney resident macrophages (KRM) are a distinct cellular subpopulation that does not differentiate from non-resident infiltrating MP. However, if KRM are depleted using polyinosinic:polycytidylic acid (poly I:C), they can be reconstituted from bone marrow derived precursors. Further, KRM lack major histocompatibility complex class II (MHCII) expression before post-parturition day 7 (P7) but upregulate it over the next 14 days. This MHCII- KRM phenotype reappears after injury. RNA sequencing shows injury causes transcriptional reprogramming of KRM to more closely resemble that found at P7. Post-injury KRM are also enriched in Wingless-type MMTV integration site family (Wnt) signaling, indicating a pathway vital for mouse and human kidney development is active. Conclusions – These data indicate that mechanisms involved in kidney development may be active after injury in KRM.

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Project description:Mice kidney tissue: control vs. acute kidney injury

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Mice kidney tissue: control vs. acute kidney injury

Project description:Transcriptional profiling of mouse kidney tissue comparing control untreated mice with mice treated with cisplatin. The latter makes kidney failure. Goal was to identify the alterations of N6-methyladenosine (m6A) RNA profiles in cisplatin-induced acute kidney injury (AKI) in mice.

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Single-cell transcriptome sequencing of macrophages in acute kidney injury(AKI) to chronic kidney dieases(CKD)

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Project description:18 zero-hour and 18 selected post-transplant (Tx) biopsy samples from 18 kidney allografts (8 acute kidney injury (AKI), 10 PBx - protocol biopsies - controls) were analyzed by using the Affymetrix GeneChipM-BM-. miRNA 3.0 Array. Comparison between control group (protocol biopsies) and indication biopsies with histological lesions of acute tubular necrosis without rejection (ATN).

2015-01-15 | E-GEOD-53771 | biostudies-arrayexpress

Molecular regulation of acute kidney injury (mRNA)

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