Results 61 to 70 of about 340,011 (295)

CD4+ T cell heterogeneity in gestational age and preeclampsia using single-cell RNA sequencing

open access: yesFrontiers in Immunology
A balance between pro-inflammatory decidual CD4+ T cells and FOXP3+ regulatory T cells (FOXP3+ Tregs) is important for maintaining fetomaternal tolerance.
Sayaka Tsuda   +12 more
doaj   +1 more source

La cerámica de Coscopunta, un sitio del Periodo Intermedio Tardío en la provincia de Carhuaz, Callejón de Huaylas, Perú

open access: yesBulletin de l'Institut Français d'Études Andines, 2015
This essay describes a large group of complete or nearly complete Late Intermediate Period pottery vessels uncovered by a farmer in 1979 at the site of Coscopunta, near the town of the Anta, Carhuaz Province, Ancash.
Richard L. Burger, Lucy C. Salazar
doaj   +1 more source

Osteology and relationships of Rhinopycnodus gabriellae gen. et sp. nov. (Pycnodontiformes) from the marine Late Cretaceous of Lebanon

open access: yes, 2013
The osteology of Rhinopycnodus gabriellae gen. and sp. nov., a pycnodontiform fish from the marine Cenomanian (Late Cretaceous) of Lebanon, is studied in detail.
Taverne, Louis   +4 more
core   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

Molecular Architecture of a Late 40S Ribosome Assembly Intermediate [PDF]

open access: yesBiophysical Journal, 2012
Ribosomes are self-assembling macromolecular machines which catalyze the synthesis of proteins in all cells, and are made up of two subunits that differ in size due to the presence of RNA and proteins in different ratio. Although significant structural details of the organization of mature ribosomes in prokaryotes and eukaryotes have been elucidated in
Vashisth, Dr. Harish   +1 more
openaire   +1 more source

Underplating of basaltic magmas and crustal growth in a continental arc: Evidence from Late Mesozoic intermediate-felsic intrusive rocks in southern Qiangtang, central Tibet

open access: yes, 2016
Phanerozoic growth of continental crust has widely been considered as an important geological phenomenon and mainly occurs in an arc setting. However, the crustal growth models (mantle-derived basalt underplating or accretion of island or intra-oceanic ...
Wu, Fu-Yuan   +9 more
core   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

OSTEOFITOSIS VERTEBRAL EN POBLACIONES PREHISPÁNICAS DE SAN PEDRO DE ATACAMA, NORTE DE CHILE

open access: yesEstudios Atacameños
Se estudió la osteofitosis vertebral como indicador de estrés físico en grupos humanos prehistóricos de San Pedro de Atacama, durante los períodos Medio (400 DC - 1000 DC) e Intermedio Tardío (1000 DC - 1450 DC).
Rocío López-Barrales   +4 more
doaj   +1 more source

The chronology of the Aegean late bronze age with special reference to the "Minoan” eruption of Thera [PDF]

open access: yes, 2002
The chronology of the Aegean Late Bronze Age is a vigorously contested area of archaeological study, with "high" and "low" schemes emerging over the last three decades.
Dunn, Stuart E
core  

Comparisons of the demographic findings among early treatment, intermediate treatment, and late treatment groups.

open access: yes, 2016
Comparisons of the demographic findings among early treatment, intermediate treatment, and late treatment groups.
Da Hyun Jung (730619)   +5 more
core   +1 more source

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