Results 21 to 30 of about 238,997 (289)

Myeloid p38 activation maintains macrophage–liver crosstalk and BAT thermogenesis through IL‐12–FGF21 axis

open access: yesHepatology, EarlyView., 2022
Physiological activation of myeloid p38 controls macrophage IL‐12 production and crosstalk to the liver by modulating hepatic FGF21, and subsequently, brown adipose tissue thermogenesis during obesity Abstract Obesity features excessive fat accumulation in several body tissues and induces a state of chronic low‐grade inflammation that contributes to ...
María Crespo   +14 more
wiley   +1 more source

Aspectos biológicos de adultos de um parasitóide do bicudo do algodoeiro Biological aspects of a parasitoid of the cotton boll weevil

open access: yesScientia Agricola, 1999
Bracon sp. é um importante agente de controle biológico de Anthonomus grandis (Boheman). Estudaram-se em laboratório, aspectos biológicos de Bracon sp., utilizando-se como hospedeiro larva do bicudo do algodoeiro, a temperatura de 26 ± 2oC, 70 ± 5% UR e ...
Lúcia Helena Avelino Araújo   +2 more
doaj   +1 more source

A formação do professor de biologia na UFSC e o ensino da evolução biológica [PDF]

open access: yes, 2004
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Educação. Programa de Pós-graduação em Educação Científica e TecnológicaO presente trabalho identifica e discute aspectos da formação inicial e da prática docente, que
Goedert, Lidiane
core  

The heterodimeric amino acid transporters (HAT) of the SLC7/SLC3 family: A structure−function relationships and relevance to human pathology

open access: yesFEBS Letters, EarlyView.
Heterodimeric amino acid transporters consist of SLC7 and SLC3 family proteins arranged in a conserved structural organization. They regulate nutrient transport across cell membranes, supporting essential cellular functions. These transporters also contribute to xenobiotic/drug uptake and distribution.
Mariafrancesca Scalise   +5 more
wiley   +1 more source

Desafios para a interdisciplinaridade no ensino das ciências da natureza

open access: yesRevista Thema, 2018
Embora haja uma extensa e antiga literatura em torno dessa temática, há uma certa dificuldade em caracterizá-la do ponto de vista operacional. No que concerne às atividades de pesquisa, o conceito de propriedades emergentes é proeminente, mas ao meu ...
Carlos Alberto Dos Santos
doaj   +1 more source

Lysyl oxidase (LOX)‐mediated remodeling of the extracellular matrix

open access: yesFEBS Letters, EarlyView.
The lysyl oxidase (LOX) family of enzymes drives extracellular matrix remodeling by oxidizing collagen, elastin, and fibronectin, promoting covalent cross‐link formation. This activity regulates tissue architecture and mechanical properties, while its dysregulation contributes to fibrosis, cardiovascular disease, glaucoma, connective tissue disorders ...
Fernando Rodríguez‐Pascual   +3 more
wiley   +1 more source

Investigação a respeito da ocorrência e metodologia adotada no ensino-aprendizagem sobre células nas vivências de licenciandos em Ciências Biológicas durante seus estágios supervisionados

open access: yesRevista da SBEnBIO, 2020
O estudo sobre as células é essencial para os estudantes se apropriarem dos conhecimentos sobre a composição dos organismos, da sua fisiologia e das relações ecológicas estabelecidas.
Felipe dos Santos Ribeiro   +1 more
doaj   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

Associação entre as características hematológicas e a biologia do dourado, Salminus maxillosus Valenciennes, 1840 do rio Mogi-Guaçu, Estado de São Paulo, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2008
Foram analisados 293 espécimes de dourado, Salminus maxillosus Valenciennes, 1840, capturados mensalmente, no período de agosto de 1996 a dezembro de 1997, no rio Moji-Guaçu, cachoeira das Emas (21°58’ S - 47°26’ W, altitude 560 metros).
Maria José Tavares Ranzani-Paiva   +3 more
doaj   +1 more source

Differential expression of cancer‐related genes supports prediction of poor response to first‐line treatments in T‐ALL pediatric patients with high minimal residual disease

open access: yesMolecular Oncology, EarlyView.
In the present work, we have identified a transcriptional signature based on the differential expression of six genes (BCL2&MAST4, HSH2D&LAT2, METRN&PITPNM2) that would facilitate the early detection of T‐cell acute lymphoblastic leukemia (T‐ALL) patients prone to a poor treatment response and could be implemented at diagnosis, along with other risk ...
Antonio Lahera   +11 more
wiley   +1 more source

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