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Diabetic Kidney Disease Induces Transcriptome Alterations Associated with Angiogenesis Activity in Human Mesenchymal Stromal Cells [mRNA]

ABSTRACT: Diabetic Kidney Disease Induces Transcriptome Alterations Associated with Angiogenesis Activity in Human Mesenchymal Stromal Cells [mRNA]

PROVIDER: PRJNA900201 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22254200_1.fastq.gz	Fastqsanger.gz
	SRR22254200_2.fastq.gz	Fastqsanger.gz
	SRR22254201_1.fastq.gz	Fastqsanger.gz
	SRR22254201_2.fastq.gz	Fastqsanger.gz
	SRR22254202_1.fastq.gz	Fastqsanger.gz

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Project description:BackgroundTherapeutic interventions that optimize angiogenic activities may reduce rates of end-stage kidney disease, critical limb ischemia, and lower extremity amputations in individuals with diabetic kidney disease (DKD). Infusion of autologous mesenchymal stromal cells (MSC) is a promising novel therapy to rejuvenate vascular integrity. However, DKD-related factors, including hyperglycemia and uremia, might alter MSC angiogenic repair capacity in an autologous treatment approach.MethodsTo explore the angiogenic activity of MSC in DKD, the transcriptome of adipose tissue-derived MSC obtained from DKD subjects was compared to age-matched controls without diabetes or kidney impairment. Next-generation RNA sequencing (RNA-seq) was performed on MSC (DKD n = 29; Controls n = 9) to identify differentially expressed (DE; adjusted p < 0.05, |log2fold change|> 1) messenger RNA (mRNA) and microRNA (miRNA) involved in angiogenesis (GeneCards). Paracrine-mediated angiogenic repair capacity of MSC conditioned medium (MSCcm) was assessed in vitro using human umbilical vein endothelial cells incubated in high glucose and indoxyl sulfate for a hyperglycemic, uremic state.ResultsRNA-seq analyses revealed 133 DE mRNAs (77 upregulated and 56 down-regulated) and 208 DE miRNAs (119 up- and 89 down-regulated) in DKD-MSC versus Control-MSC. Interestingly, miRNA let-7a-5p, which regulates angiogenesis and participates in DKD pathogenesis, interacted with 5 angiogenesis-associated mRNAs (transgelin/TAGLN, thrombospondin 1/THBS1, lysyl oxidase-like 4/LOXL4, collagen 4A1/COL4A1 and collagen 8A1/COL8A1). DKD-MSCcm incubation with injured endothelial cells improved tube formation capacity, enhanced migration, reduced adhesion molecules E-selectin, vascular cell adhesion molecule 1 and intercellular adhesion molecule 1 mRNA expression in endothelial cells. Moreover, angiogenic repair effects did not differ between treatment groups (DKD-MSCcm vs. Control-MSCcm).ConclusionsMSC from individuals with DKD show angiogenic transcriptome alterations compared to age-matched controls. However, angiogenic repair potential may be preserved, supporting autologous MSC interventions to treat conditions requiring enhanced angiogenic activities such as DKD, diabetic foot ulcers, and critical limb ischemia.

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Diabetic Kidney Disease Induces Transcriptome Alterations Associated with Angiogenesis Activity in Human Mesenchymal Stromal Cells [mRNA]

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