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47 mL/min greater than that in those with low uKIM-1/Cr (p = 0.0015) after adjustment for all considered covariates. This association was seen in study B patients alone (0.45 mL/min; p = 0.009), but not in study A patients alone (0.42 mL/min; p = 0.06). High baseline uKIM-1/Cr was associated with higher HtTKV in the baseline cross-sectional analysis compared to low uKIM-1/Cr (p = 0.02), but there was no difference between the groups in the mixed-effects model annual slopes. Conclusion Elevated baseline uKIM-1/Cr is associated with a greater decline in eGFR over time. Further research is needed to determine whether uKIM-1/Cr improves risk stratification in patients with ADPKD.The aim of this study was to develop a porcine epiphyseal plate-derived extracellular matrix powder (PEPEP) for epiphyseal plate regeneration. PEPEP was characterized by chemical assay to determine the contents of DNA and epiphyseal plate complex chemical components (glycosaminoglycan and hydroxyproline). The effects of PEPEP on the viability, proliferation, and differentiation of human bone marrow mesenchymal stem cells (hBMSCs) were also evaluated. hBMSCs cultured in PEPEP exhibited a good distribution with excellent viability after 72 h, demonstrating the ability of PEPEP to support hBMSC proliferation. At week 4 and 6 in vitro, the PEPEP + hBMSCs structure showed chondrogenic ability and an increase in expression of collagen type I, type II, and type X. PEPEP showed a promising ability to enhance cartilage formation and promote chondrocyte differentiation, maturation, and hypertrophy. The results provide insights into the feasibility of PEPEP as a potential material for tissue engineering applications.Background Caucasians with red hair and fair skin have a remarkably increased risk of malignant melanoma compared to non-redhead Caucasians. Objectives With the aim of a reliable melanoma diagnosis in redheads, the application of dermatofluoroscopy was analyzed in 16 patients with red hair. Most of them had been included in a clinical dermatofluoroscopy study for patients with the suspicion of melanoma. We examined whether the 25 lesions of the redheads showed the same characteristic melanin fluorescence spectra for dysplastic nevi and melanomas as those of non-redhead Caucasians or whether there was a different fluorescence pattern. This is important in view of the known significantly altered ratio of eumelanin to pheomelanin in the skin of redheads. Methods More than 8,000 spatially resolved fluorescence spectra of 25 pigmented lesions were measured and analysed. The spectra were excited by the stepwise absorption of two 800-nm photons (principle of dermatofluoroscopy). Furthermore, the fluorescence spectra of eumelanin and pheomelanin in hair samples were determined in the same way. Results The evaluation revealed that the melanin fluorescence spectra of dysplastic nevi and melanomas of redheads have the same spectral characteristics as those of non-redhead Caucasians. An accompanying result is that dermatofluoroscopy shows identical fluorescence spectra for eumelanin and pheomelanin. Conclusions Dermatofluoroscopy proves to be a reliable diagnostic method also for redheads. Our results also explain our recent finding that there is a uniform fluorescence spectroscopic fingerprint for melanomas of all subtypes, which is of particular interest for hypomelanotic and apparently amelanotic melanomas containing pheomelanin.Introduction The impact of bacterobilia on postoperative surgical and infectious complications after partial pancreaticoduodenectomy (PD) is still a matter of debate. Methods All patients undergoing PD with and without a preoperative biliary drainage (PBD) with complete information regarding microbial bile colonization were included. Logistic regression was applied to assess the influence of bacterobilia on postoperative outcome. Results One hundred seventy patients were retrospectively analysed. Clinically relevant postoperative complications (Clavien-Dindo ≥ III) occurred in 40 (23.5%) patients, clinically relevant postoperative pancreatic fistulas in 29 (17.1%) patients, and surgical site infections (SSIs) in 16 (9.4%) patients. Thirty-seven of 39 (94.9%) patients with PBD and 33 of 131 (25.2%) patients without PBD had positive bile cultures (p less then 0.001). A polymicrobial bile colonization was reported in 9 of 33 (27.3%) patients without PBD and 27 of 37 (73%) patients with PBD (p less then 0.001). Resistance to ampicillin-sulbactam was shown in 26 of 37 (70.3%) patients with PBD and 12 of 33 (36.4%) patients without PBD (p = 0.001). PBD (OR 0.015, 95% CI 0.003-0.07, p less then 0.001) and male sex (OR 3.286, 95% CI 1.441-7.492, p = 0.005) were independent predictors of bacterobilia in the multivariable analysis. Bacterobilia was the only independent predictor of SSIs in the multivariable analysis (OR 0.143, 95% CI 0.038-0.535, p = 0.004). Conclusions Patients with a PBD show significantly higher rates of bacterobilia, polymicrobial bile colonization, and resistance to ampicillin-sulbactam. Bacterobilia is an independent predictor of SSI after PD.Excess of heterozygosity (H) is a widely used measure of genetic diversity of a population. As high-throughput sequencing and genotyping data become readily available, it has been applied to investigating the associations of genome-wide genetic diversity with human diseases and traits. However, these studies often report contradictory results. In this paper, we present a meta-analysis of five whole-exome studies to examine the association of H scores with Alzheimer's disease. We show that the mean H score of a group is not associated with the disease status, but ot is associated with the sample size. Across all five studies, the group with more samples has a significantly lower H score than the group with fewer samples. Eliglustat To remove potential confounders in empirical data sets, we perform computer simulations to create artificial genomes controlled for the number of polymorphic loci, the sample size, and the allele frequency. Analyses of these simulated data confirm the negative correlation between the sample size and the H score.