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Clinical-pathological and molecular characterization of long-term survivors with advanced non-small cell lung cancer

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Cancer Biology & Medicine 2020年第2期17卷 444-457页

作者： Juan Moreno-Rubio Santiago Ponce Rosa Alvarez Maria Eugenia Olmedo Sandra Falagan Xabier Mielgo fatima navarro Patricia Cruz Luis Cabezon-Gutierrez Carlos Aguado Gonzalo Colmenarejo Marta Munoz-Fernandez de Leglaria Ana Belen Enguita Maria Cebollero Amparo Benito Isabel Alemany Carolina del Castillo Ricardo Ramos Ana Ramirez de Molina Enrique Casado Maria Sereno Ana Ramirez de Molina1 Enrique Casado5Maria Sereno5 XIMDEA Food InstituteCEI UAM+CSICMadrid 28702Spain 12 de Octubre University Hospital Madrid 28041Spain Gregorio Maranon University Hospital Madrid 28009Spain Ramon y Cajal University Hospital Madrid 28034Spain Infanta Sofia University Hospital San Sebastian De Los ReyesMadrid 28702Spain Fundacion Alcorcon University Hospital AlcorconMadrid 28922Spain Prlncipe de Asturias University Hospital Alcala De HenaresMadrid 28805Spain La Paz University Hospital Madrid 28046Spain University Hospital of Torrejon Torrejon De ArdozMadrid 28850Spain Clinico San Carlos University Hospital Madrid 28040Spain Parque Cientifico de Madrid Foundation Madrid 28049Spain

Objective:Long-term survivors(LS)of non-small cell lung cancer(NSCLC)without driver alterations,displaying an overall survival(OS)of more than 3 years,comprise around 10%of cases in several series treated with chemotherapy.There are classical prognosis factors for these cases[stage,Eastern Cooperative Oncology Group(ECOG),etc.],but more data are required in the literature.In this multi-center study,we focused on LS of advanced NSCLC with OS above 36 months to perform a clinical-pathological and molecular characterization.Methods:In the first step,we conducted a clinical-pathological characterization of the patients.Afterwards,we carried out a genetic analysis by comparing LS to a sample of short-term survivors(SS)(with an OS less than 9 months).We initially used whole-genome RNA-seq to identify differentiating profiles of LS and SS,and later confirmed these with reverse transcription-polymerase chain reaction(RT-PCR)for the rest of the samples.Results:A total of 94 patients were included,who were mainly men,former smokers,having adenocarcinoma(AC)-type NSCLC with an ECOG of 0-1.We obtained an initial differential transcriptome expression,displaying 5 over-and 33 under-expressed genes involved in different pathways:namely,the secretin receptor,surfactant protein,trefoil factor 1(T FF1),serpin,Ca-channels,and Tolllike receptor(TLRs)families.Finally,RT-PCR analysis of 40(20 LS/20 SS)samples confirmed that four genes(surfactant proteins and SFTP)were significantly down-regulated in SS compared to LS by using an analysis of covariance(ANCOVA)model:SFTPA1(P=0.023),SFTPA2(P=0.027),SFTPB{P=0.02),and SFT PC(P=0.047).Conclusions:We present a sequential genetic analysis of a sample of NSCLCLS with no driver alterations,obtaining a differential RNA-seq/RT-PCR profile showing an abnormal expression of SF genes.

关键词： Long-term survivors non-small cell lung cancer surfactant proteins

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Candelilla Wax as Natural Slow-Release Matrix for Fertilizers Encapsulated by Spray Chilling

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Journal of Renewable Materials 2018年第3期6卷 226-236页

作者： Noe navarro-Guajardo Edgar Miguel Garcia-Carrillo Carlos Espinoza-Gonzalez Ruben Tellez-Zablah fatima Davila-Hernandez Jorge Romero-Garcia Antonio Ledezma-Perez Jesus Alfonso Mercado-Silva Claudia Anahi Perez Torres Nicolaza Pariona Technological Institute of Saltillo Blvd.Venustiano Carranza 2400C.P.25280SaltilloCoahuilaMéxico Research Center for Applied Chemistry Sonomimetikos Research GroupBlvd.Enrique Reyna Hermosillo 140C.P.25294SaltilloCoahuilaMéxico Research Center for Applied Chemistry National Laboratory of GrapheneBlvd.Enrique Reyna Hermosillo 140C.P.25294SaltilloCoahuilaMéxico CONACyT–Institute of Ecology A.C. Carretera antigua a Coatepec 351El HayaC.P.91070XalapaVeracruzMéxico Network for Advanced Molecular Studies Institute of Ecology A.C.Carretera antigua a Coatepec 351El HayaC.P.91070XalapaVeracruzMéxico

Efforts to improve crop yields with efficient use of fertilizers are needed to guarantee global food security.Enhanced slow-release fertilizer systems(SRFs)encapsulated in biodegradable matrices are being developed to address this global concern.From a wide range of strategies for SRFs development,we explored a natureinspired solution based on the plant cuticle model and its function as a membrane for water and nutrient transport control.Here,Candelilla wax,extracted from Candelilla wild plants(Euphorbia antisyphilitica),is studied as a renewable slow-release matrix for fertilizers encapsulated by a modified spray chilling process.From this process,microencapsulates containing 40 wt%of phosphorus fertilizer are obtained with distinctive sizes and chemical characteristics,presenting a slow-release behavior.Considering the abovementioned features,novel insights into fertilizer release mechanisms based on plant cuticle models are discussed.

关键词： Candelilla wax encapsulation phosphorus slow-release fertilizers(SRFs) spray chilling

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