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Adipose-derived stem cells and knee osteoarthritis:New perspectives,old concerns

World Journal of Orthopedics 2024年第11期15卷 1001-1006页

作者： Eduardo B de Sousa JoséPaulo A Gabbi Filho Vinicius S Gameiro Leandra S Baptista department of General and Specialized Surgery Fluminense Federal UniversityRio de Janeiro 24070-090Brazil department of Orthopaedics Quinta D’Or HospitalRio de Janeiro 20941-150Brazil duque de caxias campus prof geraldo cidade Federal University of Rio de JaneiroRio de Janeiro 25065-050Brazil

In this editorial,we comment on the paper by Muthu et al published in the recent issue of the *** editorial review focusses on the use of adipose-derived stem cells(ADSCs)in knee osteoarthritis *** discuss the differences between the stromal vascular fraction and microfragmented adipose tissue and highlight the results of clinical studies comparing both treatments and the use of hyaluronic acid,platelet-rich plasma,and bone marrow aspirate *** use of expanded ADSCs is also discussed;moreover,concerns regarding treatment with ADSCs,particularly the heterogeneity of published studies and the need to standardize protocols to explore clinical potential is explored.

关键词： Adipose tissue Adipose-derived stem cells Stromal vascular fraction Knee Osteoarthritis Microfragmented adipose tissue

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Angle-tunable intersubband photoabsorption and enhanced photobleaching in twisted bilayer graphene

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Nano Research 2021年第8期14卷 2797-2804页

作者： Eva A.A.Pogna Xianchong Miao Driele von Dreifus Thonimar V.Alencar Marcus V.O.Moutinho Pedro Venezuela Cristian Manzoni Minbiao Ji Giulio Cerullo Ana Maria de Paula Istituto di Nanoscienze CNR-NANO Laboratory NESTPiazza San Silvestro 12Pisa 56127Italy State Key Laboratory of Surface Physics and department of Physics Fudan UniversityShanghai 200433China departamento de Fisica Institute de Ciencias ExatasUniversidade Federal de Minas GeraisBelo Horizonte-MG 31270-901Brazil departamento de Fisica Institute de Ciencias Exatas e BiologicasUniversidade Federal de Ouro PretoOuro Preto-MG 35400-000Brazil Ndcleo Multidisciplinar de Pesquisas em Computagao-NUMPEX-COMP Campus Duque de CaxiasUniversidade Federal do Rio de JaneiroDuque de Caxias-RJ25265-970Brazil Institute de Fisica Universidade Federal FluminenseUFFNiteroi-RJ24210-346Brazil IFN-CNR Dipartimento di FisicaPolitecnico di MilanoPiazza L.da Vinci 32Milano 20133Italy

Van der Waals heterostructures obtained by artificially stacking two-dimensional crystals represent the frontier of material engineering,demonstrating properties superior to those of the starting *** control of the interlayer twist angle has opened new possibilities for tailoring the optoelectronic properties of these *** bilayer graphene with a strong interlayer coupling is a prototype of twisted heterostructure inheriting the intriguing electronic properties of *** the effects of the twist angle on its out-of-equilibrium optical properties is crucial for devising optoelectronic *** this aim,we here combine excitation-resolved hot photoluminescence with femtosecond transient absorption *** hot charge carrier distribution induced by photo-excitation results in peaked absorption bleaching and photo-induced absorption bands,both with pronounced twist angle *** simulations of the electronic band structure and of the joint density of states enable to assign these bands to the blocking of interband transitions at the van Hove singularities and to photo-activated intersubband *** tens of picoseconds relaxation dynamics of the observed bands is attributed to the angle-dependence of electron and phonon heat capacities of twisted bilayer graphene.

关键词： twisted bilayer graphene transient absorption microscopy hot-photoluminescence van der Waals heterostructures optoelectronic properties van Hove singularities

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Genomic regions and pathways associated with gastrointestinal parasites resistance in Santa Inês breed adapted to tropical climate

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Journal of Animal Science and Biotechnology 2018年第1期9卷 35-50页

作者： Mariana Piatto Berton Rafael Medeiros de Oliveira Silva Elisa Peripolli Nedenia Bonvino Stafuzza Jesús Fernández Martin Maria Saura álvarez Beatriz Villanueva Gavina Miguel Angel Toro Georgget Banchero Priscila Silva Oliveira Joanir Pereira Eler Fernando Baldi José Bento Sterman Ferraz departamento de Zootecnia Faculdade de Ciências Agrárias e VeterináriasUniversidade Estadual PaulistaVia de acesso Prof.Paulo Donato Castellane sno Jaboticabal SP CEP 14884 900 Brazil Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria INIA Crta.de la Coruna km75 28040 Madrid Spain departamento de Producción Agraria School of AgriculturalFood and Byosystems EngineeringUniversisdad Politécnica de MadridCampus Ciudad Universitaria Avda.Complutense 3-Avda.Puerta Hierro 28040 Madrid Spain Instituto Nacional de Investigación Agropecuária(INIA) Ruta 50 Kin. 12 Colonia Uruguay Faculdade de Zootecnia e Engenharia de Alimentos Nucleo de Apoio à Pesquisa em Melhoramento AnimalBiotecnologia e TransgeniaUniversidade de Sao Paulo Rua Duque de Caxias Norte 225 Pirassununga SP CEP 13635 900Brazil

Background： The aim of this study was to estimate variance components and to identify genomic regions and pathways associated with resistance to gastrointestinal parasites, particularly Haemonchus contortus, in a breed of sheep adapted to tropical climate. Phenotypes evaluations were performed to verify resistance to gastrointestinal parasites, and were divided into two categories： i） farm phenotypes, assessing body condition score（BCS）, degree of anemia assessed by the famacha chart（FAM）, fur score（FS） and feces consistency（FC）; and ii） lab phenotypes,comprising blood analyses for hematocrit（HCT）, white blood cell count（WBC）, red blood cell count（RBC）,hemoglobin（HGB）, platelets（PLT） and transformed（log10） egg per gram of feces（EPG_（log））. A total of 576 animals were genotyped with the Ovine SNP12k Bead Chip（Illumina, Inc.）, that contains 12,785 bialleleic SNP markers. The variance components were estimated using a single trait model by single step genomic BLUP ***： The overall linkage disequilibrium（LD） mean between pairs of markers measured by r2 was 0.23. The overall LD mean between markers considering windows up to 10 Mb was 0.07. The mean LD between adjacent SNPs across autosomes ranged from 0.02 to 0.10. Heritability estimates were low for EPG_（log）（0.11）, moderate for RBC（0.18）, PLT（0.17） HCT（0.20）, HGB（0.16） and WBC（0.22）, and high for FAM（0.35）. A total of 22, 21, 23, 20, 26, 25 and 23 windows for EPG_（log）for FAM, WBC, RBC, PLT, HCT and HGB traits were identified, respectively. Among the associated windows, 10 were shown to be common to HCT and HGB traits on OAR1, OAR2, OAR3, OAR5, OAR8 and ***： The traits indicating gastrointestinal parasites resistance presented an adequate genetic variability to respond to selection in Santa Inês breed, and it is expected a higher genetic gain for FAM trait when compared to the others. The level of LD estimated for markers separated by less than 1 Mb indicated that the Ovine SNP12k Bead Chip m

关键词： Gwas Linkage disequilibrium arasites resistance Santa Inês breed

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