Results 21 to 30 of about 45,867 (238)

Resolution of the Hypoxylon fuscum Complex (Hypoxylaceae, Xylariales) and Discovery and Biological Characterization of Two of Its Prominent Secondary Metabolites

open access: yesJournal of Fungi, 2021
Hypoxylon, a large, cosmopolitan genus of Ascomycota is in the focus of our current poly-thetic taxonomic studies, and served as an excellent source for bioactive secondary metabolites at the same time. The present work concerns a survey of the Hypoxylon
Christopher Lambert   +8 more
doaj   +1 more source

Differences in protein mobility between pioneer versus follower growth cones [PDF]

open access: yes, 2007
Navigating growth cones need to integrate, process and respond to guidance signals, requiring dynamic information transfer within and between different compartments.
Bak   +25 more
core   +3 more sources

An HPLC Evaluation of Cytochalasin D Biosynthesis by Cultivated in Different Media

open access: yesNatural Product Communications, 2014
A quantitative profile of cytochalasin D production by Xylaria arbuscula was followed by growing the fungus in rice, Czapek, Czapek enriched with yeast extract, wheat, and corn. This cytochalasin producer, X.
Luciana da S. Amaral   +4 more
doaj   +1 more source

Modulation of apoprotein E secretion in response to receptor-mediated endocytosis in resident and inflammatory macrophages. [PDF]

open access: yes, 1984
We have determined the effect of various endocytic ligands on the secretion of ApoE by macrophages. ApoE was a major secreted protein of resident macrophages, but BCG-activated macrophages secreted little ApoE and periodate-elicited macrophages secreted ...
Takemura, R, Werb, Z
core   +2 more sources

Myosin V and iNOS expression is enhanced in J774 murine macrophages treated with IFN-gamma [PDF]

open access: yesBrazilian Journal of Medical and Biological Research, 2001
Actin-based motor protein requirements and nitric oxide (NO) production are important features of macrophage activity during phagocytosis or microbicidal processes.
D.S. Reis   +3 more
doaj   +1 more source

Stimulation of a glycosyl-phosphatidylinositol-specific phospholipase by insulin and the sulfonylurea, glimepiride, in rat adipocytes depends on increased glucose transport [PDF]

open access: yes, 1994
. Lipoprotein lipase (LPL) and glycolipidanchored cAMP-binding ectoprotein (Gcel) are modified by glycosyl-phosphatidylinositol (GPI) in rat adipocytes, however, the linkage is potentially unstable. Incubation of the cells with either insulin (0.1-30 nM)
Bandlow, Wolfhard   +3 more
core   +3 more sources

The Cytochalasins and Polyketides from a Mangrove Endophytic Fungus Xylaria arbuscula QYF

open access: yesMarine Drugs
Twelve compounds, including four undescribed cytochalasins, xylariachalasins A–D (1–4), four undescribed polyketides (5–8), and four known cytochalasins (9–12), were isolated from the mangrove endophytic fungus Xylaria arbuscula QYF. Their structures and
Qi Tan   +10 more
doaj   +1 more source

Actin cytoskeleton-dependent regulation of corticotropin-releasing factor receptor heteromers [PDF]

open access: yes, 2017
Stress responses are highly nuanced and variable, but how this diversity is achieved by modulating receptor function is largely unknown. Corticotropin-releasing factor receptors (CRFRs), class B G protein–coupled receptors, are pivotal in mediating ...
Bhargava, Aditi   +7 more
core   +1 more source

Metabolic Blockade-Based Genome Mining of Malbranchea circinata SDU050: Discovery of Diverse Secondary Metabolites

open access: yesMarine Drugs
Malbranchea circinata SDU050, a fungus derived from deep-sea sediment, is a prolific producer of diverse secondary metabolites. Genome sequencing revealed the presence of at least 69 biosynthetic gene clusters (BGCs), including 30 encoding type I ...
Hu Yang   +7 more
doaj   +1 more source

The influence of actin depolymerization induced by Cytochalasin D and mechanical stretch on interleukin-8 expression and JNK phosphorylation levels in human retinal pigment epithelial cells

open access: yesBMC Ophthalmology, 2017
Background This study explores the role of actin cytoskeleton depolymerization induced by Cytochalasin D and mechanical stretch on the interleukin-8 (IL-8) expression and c-jun N-terminal kinase (JNK) phosphorylation levels in human retinal pigment ...
Meng Gao   +8 more
doaj   +1 more source

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