Hand and Arm Dysfunction is Prevalent Following Hemodialysis Access Placement and Associated with Higher Rate of Access Failure
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ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE287576 | GEO | 2026/01/01
REPOSITORIES: GEO
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Project description:Arteriovenous fistula (AVF) is the preferred vascular access for patients undergoing hemodialysis and the majority of AVFs fail because of venous intimal hyperplasia (VNH). Results from our lab have shown that adipose tissue-derived mesenchymal stem cell (MSC) transplantation to the adventitia of the outflow vein of AVF attenuates VNH in an immunodeficient mice. in the present study efficacy of AMSCs transplantation in treating AVF failure was tested in a chronic kidney disease (CKD) followed by an AVF created in C57BL/6 mice and porcine models as described in methods. Moreover, a phase 1 trial was performed in small group of endstage renal disease (ESRD) patients who are in hemodialysis. To explore the molecular mechanisms involved in MSCs transplantation improving AVF durability, we performed RNA-seq transcriptome analysis of the outflow veins of AVFs excised from mice and Pigs the after adventitial transplantation of MSCs from the donor inbred C57BL/6 mice or pigs respectively. RNA-seq on AMSCs isolated from donor mice, pigs and from patients of Phase 1 study was performed and CD markers of MSCs were compared to assess the homogenicity of isolated AMSCs with in the species.Mesenchymal Stem Cell Transplantation Attenuates Venous Stenosis of Hemodialysis Vascular Access Arteriovenous Fistula
2025-07-07 | GSE179953 | GEO
Project description:Arteriovenous fistula (AVF) is the preferred vascular access for patients undergoing hemodialysis and the majority of AVFs fail because of venous intimal hyperplasia (VNH). Results from our lab have shown that adipose tissue-derived mesenchymal stem cell (MSC) transplantation to the adventitia of the outflow vein of AVF attenuates VNH in an immunodeficient mice. in the present study efficacy of AMSCs transplantation in treating AVF failure was tested in a chronic kidney disease (CKD) followed by an AVF created in C57BL/6 mice and porcine models as described in methods. Moreover, a phase 1 trial was performed in small group of endstage renal disease (ESRD) patients who are in hemodialysis. To explore the molecular mechanisms involved in MSCs transplantation improving AVF durability, we performed RNA-seq transcriptome analysis of the outflow veins of AVFs excised from mice and Pigs the after adventitial transplantation of MSCs from the donor inbred C57BL/6 mice or pigs respectively. RNA-seq on AMSCs isolated from donor mice, pigs and from patients of Phase 1 study was performed and CD markers of MSCs were compared to assess the homogenicity of isolated AMSCs with in the species.
2025-07-07 | GSE179957 | GEO
Project description:Arteriovenous fistula (AVF) is the preferred vascular access for patients undergoing hemodialysis and the majority of AVFs fail because of venous intimal hyperplasia (VNH). Results from our lab have shown that adipose tissue-derived mesenchymal stem cell (MSC) transplantation to the adventitia of the outflow vein of AVF attenuates VNH in an immunodeficient mice. in the present study efficacy of AMSCs transplantation in treating AVF failure was tested in a chronic kidney disease (CKD) followed by an AVF created in C57BL/6 mice and porcine models as described in methods. Moreover, a phase 1 trial was performed in small group of endstage renal disease (ESRD) patients who are in hemodialysis. To explore the molecular mechanisms involved in MSCs transplantation improving AVF durability, we performed RNA-seq transcriptome analysis of the outflow veins of AVFs excised from mice and Pigs the after adventitial transplantation of MSCs from the donor inbred C57BL/6 mice or pigs respectively. RNA-seq on AMSCs isolated from donor mice, pigs and from patients of Phase 1 study was performed and CD markers of MSCs were compared to assess the homogenicity of isolated AMSCs with in the species.
2025-07-07 | GSE179955 | GEO
Project description:Arteriovenous fistula (AVF) is the preferred vascular access for patients undergoing hemodialysis and the majority of AVFs fail because of venous intimal hyperplasia (VNH). Results from our lab have shown that adipose tissue-derived mesenchymal stem cell (MSC) transplantation to the adventitia of the outflow vein of AVF attenuates VNH in an immunodeficient mice. in the present study efficacy of AMSCs transplantation in treating AVF failure was tested in a chronic kidney disease (CKD) followed by an AVF created in C57BL/6 mice and porcine models as described in methods. Moreover, a phase 1 trial was performed in small group of endstage renal disease (ESRD) patients who are in hemodialysis. To explore the molecular mechanisms involved in MSCs transplantation improving AVF durability, we performed RNA-seq transcriptome analysis of the outflow veins of AVFs excised from mice and Pigs the after adventitial transplantation of MSCs from the donor inbred C57BL/6 mice or pigs respectively. RNA-seq on AMSCs isolated from donor mice, pigs and from patients of Phase 1 study was performed and CD markers of MSCs were compared to assess the homogenicity of isolated AMSCs with in the species.
2025-07-07 | GSE179954 | GEO
Project description:Arteriovenous fistula (AVF) is the preferred vascular access for patients undergoing hemodialysis and the majority of AVFs fail because of venous intimal hyperplasia (VNH). Results from our lab have shown that adipose tissue-derived mesenchymal stem cell (MSC) transplantation to the adventitia of the outflow vein of AVF attenuates VNH in an immunodeficient mice. In the present study efficacy of Human AMSCs transplantation in treating AVF failure was tested in FoxN1 Nude mice with surgically created AVF. To explore the molecular mechanisms involved in MSCs transplantation improving AVF durability, we performed RNA-seq transcriptome analysis of the outflow veins of AVFs excised from mice 3 days after adventitial transplantation of MSCs.
2025-07-07 | GSE223511 | GEO
Project description:Arteriovenous fistula (AVF) is the preferred vascular access for patients undergoing hemodialysis and the majority of AVFs fail because of venous intimal hyperplasia (VNH). Results from our lab have shown that adipose tissue-derived mesenchymal stem cell (MSC) transplantation to the adventitia of the outflow vein of AVF attenuates VNH in an immunodeficient mice. in the present study efficacy of AMSCs transplantation in treating AVF failure was tested in a chronic kidney disease (CKD) followed by an AVF created in C57BL/6 mice and porcine models as described in methods. Moreover, a phase 1 trial was performed in small group of endstage renal disease (ESRD) patients who are in hemodialysis. To explore the molecular mechanisms involved in MSCs transplantation improving AVF durability, we performed RNA-seq transcriptome analysis of the outflow veins of AVFs excised from mice and Pigs the after adventitial transplantation of MSCs from the donor inbred C57BL/6 mice or pigs respectively. RNA-seq on AMSCs isolated from donor mice, pigs and from patients of Phase 1 study was performed and CD markers of MSCs were compared to assess the homogenicity of isolated AMSCs with in the species.
2025-07-07 | GSE179956 | GEO
Project description:IntroductionContemporary dogma has classically attributed hand dysfunction following hemodialysis arteriovenous fistula (AVF) placement to regional ischemia. We hypothesize that hemodynamic perturbations alone do not entirely explain the postoperative changes in hand function and, furthermore, that various elements of hand function are differentially affected following surgery.MethodsBilateral wrist and digital pressures and upper extremity nerve conduction tests were recorded preoperatively and at 6 weeks and 6 months following upper extremity AVF construction in 46 patients. Concurrently, biomechanical tests were administered to evaluate multiple limb functional domains including grip strength, dexterity, sensation and perception of hand function.ResultsMean age was 59±14 years (75% male) and 48% were on hemodialysis at the time of access placement. 69% had a brachial-based AVF, and the remainder had radial-based accesses. Six weeks following AVF placement, a significant decrease in access side digital pressures was observed, with only partial recovery at 6 months (P<0.0001). Grip strength was significantly worse in the access side limb (P=0.0003), and Disability of Arm, Shoulder and Hand Questionnaire (DASH) score substantially worsened postoperatively (P=0.06). Digital sensation and limb dexterity did not differ between limb sides (P>0.1) or change significantly over time (P>0.1). Principal component analyses demonstrated that nerve conduction parameters tended to track the biomechanical parameters, yet both were relatively independent of the hemodynamic parameters.ConclusionOur findings suggest that ischemia alone does not completely explain access-related hand dysfunction and that future study is needed to elucidate alternative mechanisms.
| S-EPMC5568658 | biostudies-literature
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