Pentraxin-3(PTX3),the prototype of long pentraxins,seems to influence complement system(CS)modulation.PTX3 and CS sustain carcinogenesis,enriching tumor microenvironment(TME)with pro-inflammatory molecules promoting a...Pentraxin-3(PTX3),the prototype of long pentraxins,seems to influence complement system(CS)modulation.PTX3 and CS sustain carcinogenesis,enriching tumor microenvironment(TME)with pro-inflammatory molecules promoting angiogenesis in prostate cancer(PC)and renal cell carcinoma(RCC).Furthermore,cancer cells overexpress complement regulatory proteins,such as CD46,CD55 and CD59,which negatively affect complement pathways for support cancer cells survival.This viewpoint aims to elucidate the ambivalent role of PTX3 and the CS in the context of tumor microenvironment(TME).展开更多
Background This study was conducted to investigate retrospectively the indications for renal biopsy(RB)in native kidneys and to analyze pathological findings in a single tertiary pediatric hospital in Southern Italy f...Background This study was conducted to investigate retrospectively the indications for renal biopsy(RB)in native kidneys and to analyze pathological findings in a single tertiary pediatric hospital in Southern Italy for the last 36 years.Methods All patients who underwent RB at our hospital from 1979 to 2014 were included.All renal tissue specimens were studied under light and immunofluorescent microscopy,while electron microscopy was performed only for specific clinical indications.Results The study group included 213 patients(female 43.2%)who underwent 225 percutaneous native kidney biopsies.Median age was 10.4 years(range 0.6-24 years).The most frequent indication for RB was nephrotic syndrome(44.4%),fol-lowed by proteinuria(27.6%),asymptomatic hematuria(17.3%)and acute kidney injury(9.8%).Gross hematuria appeared after biopsy in less than 5%of the patients,but none of them needed blood transfusion.Adequate renal tissue sample was obtained in 95.5%of the renal biopsies.Primary glomerulonephritis(GN)was the most common finding(61.4%),followed by secondary GN(21.4%),tubulointerstitial diseases(3.7%)and hereditary nephropathy(2.8%),while in 10.7%of the cases,normal renal tissues were found.According to histopathological diagnosis,the most common causes of primary GN were IgA nephropathy(20.9%),followed by minimal change disease(18.1%)and focal segmental glomerulosclerosis(11.6%).Conclusions The epidemiology of glomerular disease in our single-center cohort is similar to that shown in other national and international reports.Moreover,our study shows that percutaneous ultrasound-guided RB is a safe,reliable and effec-tive technique in children.展开更多
基金This work was supported by grant funding from University of Foggia(University Research Projects 2019“PRA 2019”granted to G.S.N.,2019).The funders had no role in study design,data collection and analysis,decision to publish,or preparation of the manuscript.The contents are solely the responsibility of the author and do not necessarily represent the official views of the University of Foggia.
文摘Pentraxin-3(PTX3),the prototype of long pentraxins,seems to influence complement system(CS)modulation.PTX3 and CS sustain carcinogenesis,enriching tumor microenvironment(TME)with pro-inflammatory molecules promoting angiogenesis in prostate cancer(PC)and renal cell carcinoma(RCC).Furthermore,cancer cells overexpress complement regulatory proteins,such as CD46,CD55 and CD59,which negatively affect complement pathways for support cancer cells survival.This viewpoint aims to elucidate the ambivalent role of PTX3 and the CS in the context of tumor microenvironment(TME).
文摘Background This study was conducted to investigate retrospectively the indications for renal biopsy(RB)in native kidneys and to analyze pathological findings in a single tertiary pediatric hospital in Southern Italy for the last 36 years.Methods All patients who underwent RB at our hospital from 1979 to 2014 were included.All renal tissue specimens were studied under light and immunofluorescent microscopy,while electron microscopy was performed only for specific clinical indications.Results The study group included 213 patients(female 43.2%)who underwent 225 percutaneous native kidney biopsies.Median age was 10.4 years(range 0.6-24 years).The most frequent indication for RB was nephrotic syndrome(44.4%),fol-lowed by proteinuria(27.6%),asymptomatic hematuria(17.3%)and acute kidney injury(9.8%).Gross hematuria appeared after biopsy in less than 5%of the patients,but none of them needed blood transfusion.Adequate renal tissue sample was obtained in 95.5%of the renal biopsies.Primary glomerulonephritis(GN)was the most common finding(61.4%),followed by secondary GN(21.4%),tubulointerstitial diseases(3.7%)and hereditary nephropathy(2.8%),while in 10.7%of the cases,normal renal tissues were found.According to histopathological diagnosis,the most common causes of primary GN were IgA nephropathy(20.9%),followed by minimal change disease(18.1%)and focal segmental glomerulosclerosis(11.6%).Conclusions The epidemiology of glomerular disease in our single-center cohort is similar to that shown in other national and international reports.Moreover,our study shows that percutaneous ultrasound-guided RB is a safe,reliable and effec-tive technique in children.
