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Transcriptomic Profiling of Human Pluripotent Stem Cell-derived Retinal Pigment Epithelium over Time

Genomics, Proteomics & Bioinformatics 2021年第2期19卷 223-242页

作者： Grace E.Lidgerwood anne senabouth.casey j.a.smith.anttila Vikkitharan Gnanasambandapillai Dominik C.Kaczorowski Daniela Amann-Zalcenstein Erica L.Fletcher Shalin H.Naik Alex W.Hewitt joseph E.Powell Alice Pebay Department of Anatomy and Neuroscience The University of MelbourneParkvilleVIC 3010Australia Department of Surgery The University of MelbourneParkvilleVIC 3010Australia Centre for Eye Research Australia Royal Victorian Eye and Ear HospitalEast MelbourneVIC 3002Australia Garvan Weizmann Centre for Cellular Genomics Garvan Institute of Medical ResearchThe Kinghorn Cancer CentreDarlinghurstNSW 2010Australia Single Cell Open Research Endeavour The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC 3052Australia Immunology Division The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC 3052Australia Department of Medical Biology The University of MelbourneParkvilleVIC 3010Australia School of Medicine Menzies Institute for Medical ResearchUniversity of TasmaniaHobartTAS 7005Australia UNSW Cellular Genomics Futures Institute School of Medical SciencesUniversity of New South WalesSydneyNSW 2052Australia

Human pluripotent stem cell(h PSC)-derived progenies are immature versions of cells,presenting a potential limitation to the accurate modelling of diseases associated with maturity or ***,it is important to characterise how closely cells used in culture resemble their native *** order to select appropriate time points of retinal pigment epithelium(RPE)cultures that reflect native counterparts,we characterised the transcriptomic profiles of the h PSC-derived RPE cells from 1-and 12-month *** differentiated the human embryonic stem cell line H9 into RPE cells,performed single-cell RNA-sequencing of a total of 16,576 cells to assess themolecular changes of the RPE cells across these two culture time *** results indicate the stability of the RPE transcriptomic signature,with no evidence of an epithelial–mesenchymal transition,and with the maturing populations of the RPE observed with time in *** of Gene Ontology pathways revealed that as the cultures age,RPE cells upregulate expression of genes involved in metal binding and antioxidant *** might reflect an increased ability to handle oxidative stress as cells *** with native human RPE data confirms a maturing transcriptional profile of RPE cells in *** results suggest that long-term in vitro culture of RPE cells allows the modelling of specific phenotypes observed in native mature *** work highlights the transcriptional landscape of h PSC-derived RPE cells as they age in culture,which provides a reference for native and patient samples to be benchmarked against.

关键词： Human embryonic stem cell Human pluripotent stem cell Retinal pigment epithelium Single-cell RNA sequencing Ageing

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Are there sex-based disparities in cataract surgery?

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International journal of Ophthalmology(English edition) 2024年第1期17卷 137-143页

作者： Matthew D.Geiger anne M.Lynch Alan G.Palestine Nathan C.Grove Karen L.Christopher Richard S.Davidson Michael j.Taravella Naresh Mandava jennifer L.Patnaik Department of Ophthalmology University of Colorado School of MedicineAuroraCO 80045USA

AIM:To investigate sex-based differences in the occurrence of intra-operative and post-operative complications and associated visual outcomes following cataract ***:This was a retrospective study of patients who had phacoemulsification cataract surgery at the University of Colorado School of *** collected included the patient’s health history,ocular comorbidities,operative and post-operative complications,and the post-operative best corrected visual acuity(BCVA).The data were analyzed using univariate and multivariable logistic regression with generalized estimating equations to account for the correlation of some patients having two eyes included in the ***:A total of 11977 eyes from 7253 patients were included in the *** comorbidities differed by sex,with males having significantly higher percentages of traumatic cataracts(males 0.7%vs females 0.1%),prior ocular surgery(6.7%vs 5.5%),and mature cataracts(2.8%vs 1.9%).Conversely,females had significantly higher rates of pseudoexfoliation(2.0%vs 3.2%).In unadjusted analysis,males had higher rates of posterior capsular rupture(0.8%vs 0.4%)and vitreous loss(1.0%vs 0.6%),but this difference was not significant after adjustment for *** had a significantly increased risk of post-operative retinal detachment,but in multivariable analysis this was no longer *** were significantly less likely to undergo post-operative neodymium-doped yttrium aluminum garnet(Nd:YAG)laser capsulotomy for posterior capsule opacification(OR=0.8,95%CI=0.7-0.9,P=0.0005).The BCVA was slightly worse for males pre-operatively;but post-operatively,both sexes exhibited similar visual acuity of Snellen equivalent 20/***:The study finds that in a cohort of patients presenting for cataract surgery,sex differences exist in pre-operative comorbidities and surgical characteristics that contribute to higher rates of some complications for ***,observed surgical complicatio

关键词： cataract surgery sex-based disparity phacoemulsification outcomes

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Exploring the effects of dietary inulin in rainbow trout fed a high‑starch,100%plant‑based diet

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journal of Animal Science and Biotechnology 2024年第2期15卷 713-732页

作者： Raphaël Defaix jep Lokesh Laura Frohn Mickael Le Bechec Thierry Pigot Vincent Veron anne Surget Sandra Biasutti Frederic Terrier Sandrine Skiba-Cassy jerome Roy Stephane Panserat Karine Ricaud Universite de Pau Et Des Pays de L’Adour E2S UPPAINRAENUMEASaint‑Pee‑Sur‑NivelleFrance Universite de Pau Et Des Pays de L’Adour E2S UPPACNRSIMT Mines AlesIPREMPauFrance Universite de Pau Et Des Pays de L’Adour E2S UPPAIUT des Pays de l’AdourDepartement Genie BiologiqueMont de MarsanFrance.

Background High dietary carbohydrates can spare protein in rainbow trout(Oncorhynchus mykiss)but may affect growth and ***,a prebiotic,could have nutritional and metabolic effects,along with anti-inflammatory properties in teleosts,improving growth and *** tested this hypothesis in rainbow trout by feeding them a 100%plant-based diet,which is a viable alternative to fishmeal and fish oil in aquaculture *** a two-factor design,we examined the impact of inulin(2%)as well as the variation in the carbohydrates(CHO)/plant protein ratio on rainbow *** assessed the influence of these factors on zootechnical parameters,plasma metabolites,gut microbiota,production of short-chain fatty acids and lactic acid,as well as the expression of free-fatty acid receptor genes in the mid-intestine,intermediary liver metabolism,and immune markers in a 12-week feeding *** The use of 2%inulin did not significantly change the fish intestinal microbiota,but interestingly,the high CHO/protein ratio group showed a change in intestinal microbiota and in particular the beta diversity,with 21 bacterial genera affected,including Ralstonia,Bacillus,and 11 lactic-acid producing *** were higher levels of butyric,and valeric acid in groups fed with high CHO/protein diet but not with *** high CHO/protein group showed a decrease in the expression of pro-inflammatory cytokines(il1b,il8,and tnfa)in liver and a lower expression of the genes coding for tight-junction proteins in mid-intestine(tjp1a and tjp3).However,the 2%inulin did not modify the expression of plasma immune ***,inulin induced a negative effect on rainbow trout growth performance irrespective of the dietary *** With a 100%plant-based diet,inclusion of high levels of carbohydrates could be a promising way for fish nutrition in aquaculture through a protein sparing effect whereas the supplementation of 2%inulin does not appear to improve the use of CHO wh

关键词： Aquaculture Fish nutrition Gut microbiota Immune markers Intermediary metabolism Inulin Prebiotic Rainbow trout Short-chain fatty acids

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Supportive care in transplantation: A patient-centered care model to better support kidney transplant candidates and recipients

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World journal of Transplantation 2024年第4期14卷 15-28页

作者： Anita Slominska Katya Loban Elizabeth anne Kinsella julie Ho Shaifali Sandal MEDIC Program Research Institute of the McGill University Health CentreMontreal H4A3J1QCCanada Institute of Health Sciences Education Faculty of Medicine and Health SciencesMcGill UniversityMontreal H4A3J1QCCanada Department of Medicine University of ManitobaWinnipeg R3A1R9MBCanada Department of Medicine McGill University Health CentreMontreal H4A3J1QCCanada

Kidney transplantation(KT),although the best treatment option for eligible patients,entails maintaining and adhering to a life-long treatment regimen of medications,lifestyle changes,self-care,and *** patients experience uncertain outcome trajectories increasing their vulnerability and symptom burden and generating complex care *** when transplants are successful,for some patients the adjustment to life post-transplant can be challenging and psychological difficulties,economic challenges and social isola-tion have been *** 50%of patients lose their transplant within 10 years and must return to dialysis or pursue another transplant or conservative *** paper documents the complicated journey patients undertake before and after KT and outlines some initiatives aimed at improving patient-centered care in transplantation.A more cohesive approach to care that borrows its philosophical approach from the established field of supportive oncology may improve patient experiences and *** propose the"supportive care in transplantation"care model to operationalize a patient-centered approach in *** model can build on other ongoing initiatives of other scholars and researchers and can help advance patient-centered care through the entire care continuum of kidney transplant recipients and ***-dimensionality,multi-disciplinarity and evidence-based approaches are proposed as other key tenets of this care *** conclude by proposing the potential advantages of this approach to patients and healthcare *** Tip:Kidney transplant recipients and candidates face several uncertainties in their care journey and have several expressed unmet healthcare *** recommend a structured and comprehensive approach to transplant care across the entire continuum of a transplant patient’s journey similar to what has been developed in the field of *** supportive care in transplantation model can operational

关键词： Supportive care Kidney transplantation Death Graft failure Adverse outcomes Kidney transplant recipients

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Integrate Omics Data and Molecular Dynamics Simulations toward Better Understanding of Human 14-3-3 Interactomes and Better Drugs for Cancer Therapy

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journal of Genetics and Genomics 2015年第10期42卷 531-547页

作者： jo anne j.Babula jing-Yuan Liu Department of Pharmacology and Toxicology Indiana University School of Medicine Department of Computer and Information Science Indiana University Purdue University Indianapolis

The 14-3-3 protein family is among the most extensively studied, yet still largely mysterious protein families in mammals to date. As they are well recognized for their roles in apoptosis, cell cycle regulation, and proliferation in healthy cells, aberrant 14-3-3 expression has unsurprisingly emerged as instrumentalin the development of many cancers and in prognosis. Interestingly, while the seven known 14-3-3 isoforms in humans have many similar functions across cell types, evidence of isoform-specific functions and localization has been observed in both healthy and diseased cells The strikingly high similarity among 14-3-3 isoforms has made it difficult to delineate isoform-specific functions and for isoform-specific targeting. Here, we review our knowledge of 14-3-3 interactome（s） generated by high- throughput techniques, bioinformatics, structural genomics and chemical genornics and point out that integrating the information with molecular dynamics （MD） simulations may bring us new opportunity to the design of isoform-specific inhibitors, which can not only be used as powerful research tools for delineating distinct interactomes of individual 14-3-3 isoforms, but also can serve as potential new anti-cancer drugs that selectively target aberrant 14-3-3 isoform.

关键词： Interactome Chemical genomics Structural genomics Molecular dynamics simulation

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