The American Society for Apheresis (ASFA) Journal of Clinical Apheresis (JCA) Special Issue Writing Committee is charged with reviewing, updating, and categorizing indications for the evidence-based use of therapeutic apheresis in human disease. Since the 2007 JCA Special Issue (Fourth Edition), the Committee has incorporated systematic review and evidence-based approaches in the grading and categorization of apheresis indications. This Seventh Edition of the JCA Special Issue continues to maintain this methodology and rigor to make recommendations on the use of apheresis in a wide variety of diseases/conditions. The JCA Seventh Edition, like its predecessor, has consistently applied the category and grading system definitions in the fact sheets. The general layout and concept of a fact sheet that was used since the fourth edition has largely been maintained in this edition. Each fact sheet succinctly summarizes the evidence for the use of therapeutic apheresis in a specific disease entity. The Seventh Edition discusses 87 fact sheets (14 new fact sheets since the Sixth Edition) for therapeutic apheresis diseases and medical conditions, with 179 indications, which are separately graded and categorized within the listed fact sheets. Several diseases that are Category IV which have been described in detail in previous editions and do not have significant new evidence since the last publication are summarized in a separate table. The Seventh Edition of the JCA Special Issue serves as a key resource that guides the utilization of therapeutic apheresis in the treatment of human disease. J. Clin. Apheresis 31:149-162, 2016. © 2016 Wiley Periodicals, Inc.

Guidelines on the Use of Therapeutic Apheresis in Clinical Practice—Evidence-Based Approach from the Writing Committee of the American Society for Apheresis: The Sixth Special Issue

Renal fibrosis is the histological manifestation of a progressive, usually irreversible process causing chronic and end-stage kidney disease. We performed genome-wide transcriptome studies of a large cohort (n = 95) of normal and fibrotic human kidney tubule samples followed by systems and network analyses and identified inflammation and metabolism as the top dysregulated pathways in the diseased kidneys. In particular, we found that humans and mouse models with tubulointerstitial fibrosis had lower expression of key enzymes and regulators of fatty acid oxidation (FAO) and higher intracellular lipid deposition compared to controls. In vitro experiments indicated that inhibition of FAO in tubule epithelial cells caused ATP depletion, cell death, dedifferentiation and intracellular lipid deposition, phenotypes observed in fibrosis. In contrast, restoring fatty acid metabolism by genetic or pharmacological methods protected mice from tubulointerstitial fibrosis. Our results raise the possibility that correcting the metabolic defect in FAO may be useful for preventing and treating chronic kidney disease.

Defective fatty acid oxidation in renal tubular epithelial cells has a key role in kidney fibrosis development

EASL Clinical Practice Guidelines: Liver transplantation

Diabetic kidney disease (DKD) is the leading cause of kidney failure worldwide and the single strongest predictor of mortality in patients with diabetes. DKD is a prototypical disease of gene and environmental interactions. Tight glucose control significantly decreases DKD incidence, indicating that hyperglycemia-induced metabolic alterations, including changes in energy utilization and mitochondrial dysfunction, play critical roles in disease initiation. Blood pressure control, especially with medications that inhibit the angiotensin system, is the only effective way to slow disease progression. While DKD is considered a microvascular complication of diabetes, growing evidence indicates that podocyte loss and epithelial dysfunction play important roles. Inflammation, cell hypertrophy, and dedifferentiation by the activation of classic pathways of regeneration further contribute to disease progression. Concerted clinical and basic research efforts will be needed to understand DKD pathogenesis and to identify novel drug targets.

https://dm5migu4zj3pb.cloudfront.net/manuscripts/72000/72271/JCI72271.v1.pdf

Molecular mechanisms of diabetic kidney disease

The American Society for Apheresis (ASFA) JCA Special Issue Writing Committee is charged with reviewing, updating and categorizating indications for therapeutic apheresis. Beginning with the 2007 ASFA Special Issue (Fourth Edition), the committee has incorporated systematic review and evidence‐based approach in the grading and categorization of indications. This Sixth Edition of the ASFA Special Issue has further improved the process of using evidence‐based medicine in the recommendations by consistently applying the category and GRADE system definitions, but eliminating the “level of evidence” criteria (from the University HealthCare Consortium) utilized in prior editions given redundancy between GRADE and University HealthCare Consortium systems. The general layout and concept of a fact sheet that was utilized in the Fourth and Fifth Editions, has been largely maintained in this edition. Each fact sheet succinctly summarizes the evidence for the use of therapeutic apheresis in a specific disease entity. This article consists of 78 fact sheets (increased from 2010) for therapeutic indications in ASFA categories I through IV, with many diseases categorized having multiple clinical presentations/situations which are individually graded and categorized. J. Clin. Apheresis 28:145–284, 2013. © 2013 Wiley Periodicals, Inc.

Guidelines on the use of therapeutic apheresis in clinical practice - Evidence-based approach from the writing committee of the american society for apheresis

The incidence of End Stage Renal Disease (ESRD) is approximately 50% higher in men than women. In order to understand the molecular basis of this gender disparity, we examined sex specific gene expression patterns in control and diseased, human and murine kidney samples. Using the Affymetrix platform we performed comprehensive gene expression analysis on 42 microdissected human kidney samples (glomeruli and tubules). We identified 67 genes with gender biased expression in healthy human kidneys and 24 transcripts in diseased male and female human kidneys. Similar analysis performed in mice using male and female control and doxorubicin induced nephrotic syndrome kidneys identified significantly larger number of differentially expressed transcripts. The majority of genes showing gender biased expression either in diseased human and murine kidneys were different from those differentially expressed in healthy kidneys. Only 9 sexually dimorphic transcripts were common to healthy human and murine kidneys and five showed differential regulation in both human and murine diseased kidneys. In humans, sex biased genes showed statistical enrichment only to sex chromosomes while in mice they were enriched to sex chromosomes and various autosomes. Thus we present a comprehensive analysis of gender biased genes in the kidney. We show that sexually dimorphic genes in the kidney show species specific regulation. Our results also indicate that male and female kidneys respond differently to injury. These studies could provide the basis for the development of new treatment strategies for men and women with kidney disease.

/pdf/human-and-murine-kidneys-show-gender-and-species-specific-468f07wnnp.pdf

Human and murine kidneys show gender- and species-specific gene expression differences in response to injury.

Background:  It is unclear whether sirolimus, a newer immunosuppressive agent, widely used in renal transplantation, affects male sex hormone levels or sexual function.



Methods:  Sex hormone profiles in male renal transplant recipients were obtained and compared between a sirolimus-treated group and a group not on sirolimus in a cross-sectional study. Both groups also completed a sexual dysfunction questionnaire.



Results:  Sixty-six subjects were evaluated, 32 in the sirolimus group and 34 in the control group. Total testosterone level was significantly lower in the sirolimus group than the control group (393.3 ± 188 vs. 537.4 ±232 pg/mL; p = 0.08) while follicle stimulating hormone and luteinizing hormone levels were significantly higher in the sirolimus group (12.8 ± 14 vs. 6.0 ± 5, p = 0.013; 10.9 ± 14 vs. 4.7 ± 4, p = 0.018, respectively). There was a significant negative correlation between 24-h sirolimus trough and total testosterone levels (p < 0.03). By multiple regression analysis, use of sirolimus was independently associated with decreased total testosterone level. There was no significant difference in subjective sexual dysfunction as assessed by questionnaire scores between the two groups. There was no correlation between questionnaire scores and total testosterone level.



Conclusion:  Sirolimus is associated with decreased total testosterone levels in male renal transplant recipients. It is unclear whether sirolimus may affect other aspects of sexual function.

The effect of sirolimus on sex hormone levels of male renal transplant recipients.

Recurrence of focal segmental glomerulosclerosis (FSGS) in pediatric renal allografts is associated with a poor graft survival. This study reports on plasmapheresis for the treatment of recurrent FSGS in pediatric renal transplant recipients. The records of 100 consecutive pediatric (age 1 g/m2 per day) within 1 month of transplantation. Five of six patients treated with plasmapheresis went into remission (<0.2 g/m2 per day), receiving a total of 42±26 (12–73) sessions, with the mean number of sessions required to achieve a remission being 24±17 (8–51). One patient had a second recurrence 1 year following cessation of plasmapheresis and responded to another course of plasmapheresis. The 1 patient who did not respond to plasmapheresis had a delay in initiation of therapy of 42 days. Plasmapheresis initiated within 48 h of recurrence resulted in earlier remissions and improved graft survival among our patients. Plasmapheresis appears to be effective in treating recurrent FSGS following kidney transplantation and should be started as soon as possible. The number of plasmapheresis sessions used to achieve remission should be adjusted according to response rather than adhering to a fixed protocol.

Plasmapheresis treatment for recurrent focal sclerosis in pediatric renal allografts.

We report a case of homozygous adenine phosphoribosyl transferase (APRT) deficiency associated with 2,8-dihydroxyadenine stones recurrent in a patient with a renal transplant. The disease was diagnosed 23 years after the initial episode of renal colic. At that time the disease was unknown. Our patient is only the second case of this disorder reported from the United States. Correct diagnosis is important because long-term maintenance with allopurinol and a low purine diet can effectively prevent stone formation and renal failure.

2, 8-dihydroxyadenine urolithiasis: Report of a case first diagnosed after renal transplant

Internal arteriovenous fistula for hemodialysis.

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