Corn Silk Polysaccharide Reduces the Risk of Kidney Stone Formation by Reducing Oxidative Stress and Inhibiting COM Crystal Adhesion and Aggregation.

Unlabelled: The aim of this study is to explore the inhibition of nanocalcium oxalate monohydrate (nano-COM) crystal adhesion and aggregation on the HK-2 cell surface after the protection of corn silk polysaccharides (CSPs) and the effect of carboxyl group (-COOH) content and polysaccharide concentration.

Method: HK-2 cells were damaged by 100 nm COM crystals to build an injury model. The cells were protected by CSPs with -COOH contents of 3.

A Non-Invasive Hemoglobin Detection Device Based on Multispectral Photoplethysmography.

The measurement of hemoglobin is a vital index for diagnosing and monitoring diseases in clinical practice. At present, solutions need to be found for the soreness, high risk of infection, and inconvenient operation associated with invasive detection methods. This paper proposes a method for non-invasively detecting hemoglobin levels based on multi-wavelength photoplethysmography (PPG) signals.

Antioxidant Activity of Polysaccharides with Different Molecular Weights and Cytotoxicity Difference of Polysaccharides Regulated CaOx to HK-2 Cells.

Objective: This study aimed to investigate the growth of calcium oxalate (CaOx) crystals regulated by polysaccharides (AAPs) with different viscosity-average molecular weights (), the toxicity of AAP-regulated CaOx crystals toward HK-2 cells, and the prevention and treatment capabilities of AAPs for CaOx stones.

Methods: The scavenging capability and reducing capacity of four kinds of AAPs ( of 31.52, 11.

Downregulation of Circular RNA circPSD3 Promotes Metastasis by Modulating FBXW7 Expression in Clear Cell Renal Cell Carcinoma.

Circular RNAs (circRNAs), a novel class of noncoding RNAs, have been shown to play critical regulatory roles in clear cell renal cell carcinoma (ccRCC). Metastasis is the main contributor to the poor prognosis of patients with ccRCC. However, the role of circRNAs in ccRCC metastasis has not been fully elucidated.

PIWI-Interacting RNA Pathway Genes: Potential Biomarkers for Clear Cell Renal Cell Carcinoma.

Background: Clear cell renal cell carcinoma (ccRCC) is one of the most lethal malignancies in the urinary system, yet effective diagnostic and prognostic markers are lacking. Recently, several of piRNA pathway genes have been reported to be associated with cancer diagnosis and prognosis, but their role in ccRCC is still unclear.

Methods: We analysed the expression of 27 piRNA pathway genes in 539 kidney renal clear cell carcinoma (KIRC) and 72 nontumor tissue samples (data from TCGA), and 12 mRNAs were significantly different.

piRNA-31115 Promotes Cell Proliferation and Invasion via PI3K/AKT Pathway in Clear Cell Renal Carcinoma.

PIWI-interacting RNAs (piRNAs) are small noncoding RNAs that play important roles in germline development and carcinogenesis. In this study, we used the deep sequencing of small RNA Transcriptome to explore the piRNA expression in six clear cell renal carcinoma (ccRCC) tissues and matched adjacent normal tissues and found that six piRNAs were upregulated and sixteen were downregulated in ccRCC tissues. Among them, piRNA-31115 (NCBI accession number: DQ571003) was the most upregulated piRNA in ccRCC tissues compared with matched adjacent normal tissues.

Non-invasive investigation of early kidney damage in streptozotocin-induced diabetic rats by intravoxel incoherent motion diffusion-weighted (IVIM) MRI.

Background: The current study investigated the performance of intravoxel incoherent motion diffusion (IVIM) technology in monitoring early renal injury in streptozotocin rats.

Methods: Forty-eight Sprague-Dawley (SD) rats were divided into a control group and a diabetic mellitus (DM) group. Six rats in each group were randomly selected for MR scans at four different time points (0, 4, 8, and 12 weeks).

[Corrigendum] Downregulation of nucleolar and spindle‑associated protein 1 expression suppresses cell migration, proliferation and invasion in renal cell carcinoma.

Following the publication of the above article, the authors have realized that Fig. 5A was published with certain errors; essentially, the authors needed to perform further experiments to validate certain of their results, and the Blank and si‑NC control data in Fig. 5A were included from an incorrect set of experiments (the intended si‑NUSAP1 experimental data from the flow cytometric analyses, however, were presented correctly in the published Figure).

Comprehensive profiling of circRNAs and the tumor suppressor function of circHIPK3 in clear cell renal carcinoma.

Increasing evidence has indicated that circular RNAs (circRNAs) play a key role in the development and progression of diverse cancers, but their role in clear cell renal carcinoma (CCRCC) tumorigenesis is not well understood. In this study, we firstly performed comprehensive circRNA-seq from CCRCC tissues and pair-matched adjacent normal tissues. In total, 1184 circRNAs were dysregulated in human CCRCC tissues compared with those in adjacent normal tissues.

SFRP1 Promoter Methylation and Renal Carcinoma Risk: A Systematic Review and Meta-Analysis.

Background/aim: Epigenetic inactivation of tumor suppressor genes is an important molecular mechanism in the formation and development of human tumors. The purpose of our study was to evaluate the correlation between the methylation level of the secreted frizzled-related protein 1 (SFRP1) gene and the risk of renal cell carcinoma (RCC).

Methods: The relevant literature was searched in detail in several electronic databases.

Engrailed-2 promoter hyper-methylation is associated with its downregulation in clear cell renal cell carcinoma.

In a previous study by the present authors, it was identified that the expression of engrailed-2 (EN2) gene was downregulated in clear cell renal cell carcinoma (cc-RCC). The aim of the present study was to determine whether aberrant methylation was the mechanism underlying the silencing of EN2 gene in cc-RCC. A total of forty paired cc-RCC tissues, four cc-RCC cell lines and one normal human proximal tubule epithelial cell line were evaluated for EN2 gene methylation status using methylation-specific polymerase chain reaction (PCR).

Overexpression of placenta specific 8 is associated with malignant progression and poor prognosis of clear cell renal cell carcinoma.

Background: Placenta specific 8 (PLAC8) plays an important role in many different cellular processes and human diseases, including multiple types of cancer. However, the functional role of PLAC8 in clear cell renal cell carcinoma (ccRCC) has never been elucidated.

Methods: PLAC8 mRNA expression was investigated in 31 pairs of fresh ccRCC tumor tissues and matched adjacent non-tumor tissues by RT-qPCR and confirmed by analyzing the TCGA KRCC dataset which contains RNA-seq data of 534 ccRCC and 72 solid normal tissues.

Diagnostic Performance of Fas Ligand mRNA Expression for Acute Rejection after Kidney Transplantation: A Systematic Review and Meta-Analysis.

Background: The value of Fas ligand (FASL) as a diagnostic immune marker for acute renal rejection is controversial; this meta-analysis aimed to clarify the role of FASL in acute renal rejection.

Methods: The relevant literature was included by systematic searching the MEDLINE, EMBASE, and Cochrane Library databases. Accuracy data for acute rejection (AR) and potential confounding variables (the year of publication, area, sample source, quantitative techniques, housekeeping genes, fluorescence staining, sample collection time post-renal transplantation, and clinical classification of AR) were extracted after carefully reviewing the studies.

Chronic reactive oxygen species exposure inhibits glucose uptake and causes insulin resistance in C2C12 myotubes.

Reactive oxygen species (ROS) is an important regulator in cellular signaling transduction, and many previous studies have indicated that acute ROS stimulation improves insulin sensitivity in skeletal muscle. In the study, we found that chronic ROS treatment caused serious insulin resistance in C2C12 myotubes. Glucose uptake and consumption assay indicated that pretreatment with 80 μM H2O2 for 2 h inhibited insulin-stimulated glucose uptake in C2C12 myotubes, and the reason for it, is that chronic H2O2 treatment decreased insulin-induced glucose transporter 4 (GLUT4) translocation from cell plasma to cell membrane.

Downregulation of nucleolar and spindle-associated protein 1 expression suppresses cell migration, proliferation and invasion in renal cell carcinoma.

Nucleolar and spindle-associated protein 1 (NUSAP1) is a microtubule-binding protein that plays an essential role in mitosis and cancer. Previous studies have demonstrated that NUSAP1 expression is relatively elevated in several malignancies. However, the biological roles of NUSAP1 in renal cell carcinoma (RCC) remain unknown.

Engrailed-2 might play an anti-oncogenic role in clear-cell renal cell carcinoma.

Our preliminary study indicated that Engrailed-2 (EN2) is downregulated but also ectopically expressed in clear-cell renal cell carcinoma (CCRCC), and the absence of EN2 expression was associated with poor histological grade. However, the specific roles of EN2 in CCRCC have yet to be elucidated. In the present study, we examined the effects of inhibiting EN2 expression by human renal tubular epithelial cells (HK-2) and overexpressing EN2 by human clear-cell renal cells (786-O).

Upregulation of centromere protein H is associated with progression of renal cell carcinoma.

Centromere protein H (CENPH), one of the essential component of active kinetochore, plays an important role in carcinogenesis of many cancer types. However, its expression signature and prognostic significance of renal cell carcinoma (RCC) are unclear. In the present study, we concluded that the expression of CENPH was prominently upregulated in RCC specimens and three RCC cell lines (ACHN, 786-O and A704).

Repression of engrailed 2 inhibits the proliferation and invasion of human bladder cancer in vitro and in vivo.

Engrailed 2 (EN2) is a member of the homeobox gene family. Many studies suggest that overexpression of EN2 protein may be associated with tumor development, including bladder cancer (BC). However, to date, the mechanisms of how EN2 functions to promote BC progression remain elusive.

A Meta-analysis of the Significance of Granzyme B and Perforin in Noninvasive Diagnosis of Acute Rejection After Kidney Transplantation.

Background: Previous studies have reported that granzyme B (GZMB) and perforin (PRF) could serve as noninvasive biomarkers in the diagnosis of acute rejection (AR) after kidney transplant. Yet, their noninvasive diagnostic value in clinical practice is still unknown.

Methods: To assess the noninvasive diagnostic performance of GZMB and PRF for AR, we performed a systematic search.

Association between three eNOS polymorphisms and cancer risk: a meta-analysis.

Polymorphisms in the endothelial nitric oxide synthase (eNOS) gene may influence the risk of cancer, but the results are still debatable. Therefore, we performed a systematic review to provide a more complete picture and conducted a meta-analysis to derive a precise estimation. We searched PubMed, EMBASE, EBSCO, Google Scholar and China National Knowledge Infrastructure (CNKI) databases until April 2014 to identify eligible studies.

A recommended technique of renal vein anastomosis in rat kidney transplantation for trainee.

Background: Various rat kidney transplantation models have been introduced over the decades and the study on the models seems to lack novelty and necessity. However, vascular anastomosis, especially renal vein, is still very difficult for trainees. The aim of this study was to provide the modified renal venous anastomosis of rat kidney transplantation to substitute the current method for trainees.