Important role of phosphoramido linkage in imidazole-based dioleyl helper lipids for liposome stability and primary cell transfection

2016 ◽  
Vol 18 (1-3) ◽  
pp. 3-15 ◽  
Author(s):  
Mathieu Mével ◽  
Thomas Haudebourg ◽  
Thibault Colombani ◽  
Pauline Peuziat ◽  
Laurence Dallet ◽  
...  
2007 ◽  
Vol 34 (S 2) ◽  
Author(s):  
C Funke ◽  
J Hübener ◽  
H Wolburg ◽  
T Schmidt ◽  
H Toresson ◽  
...  

Nanoscale ◽  
2019 ◽  
Vol 11 (40) ◽  
pp. 18806-18824 ◽  
Author(s):  
Dongyu Chen ◽  
Neha Parayath ◽  
Shanthi Ganesh ◽  
Weimin Wang ◽  
Mansoor Amiji

We demonstrated that protein corona can be altered by lipid nanoparticle composition changes. Protein corona composition differences had a profound impact on cell transfection, in vivo biodistribution and tumor-specific delivery.


2018 ◽  
Vol 19 (9) ◽  
pp. 2674 ◽  
Author(s):  
Derek Lamport ◽  
Li Tan ◽  
Michael Held ◽  
Marcia Kieliszewski

Morphogenesis remains a riddle, wrapped in a mystery, inside an enigma. It remains a formidable problem viewed from many different perspectives of morphology, genetics, and computational modelling. We propose a biochemical reductionist approach that shows how both internal and external physical forces contribute to plant morphogenesis via mechanical stress–strain transduction from the primary cell wall tethered to the plasma membrane by a specific arabinogalactan protein (AGP). The resulting stress vector, with direction defined by Hechtian adhesion sites, has a magnitude of a few piconewtons amplified by a hypothetical Hechtian growth oscillator. This paradigm shift involves stress-activated plasma membrane Ca2+ channels and auxin-activated H+-ATPase. The proton pump dissociates periplasmic AGP-glycomodules that bind Ca2+. Thus, as the immediate source of cytosolic Ca2+, an AGP-Ca2+ capacitor directs the vectorial exocytosis of cell wall precursors and auxin efflux (PIN) proteins. In toto, these components comprise the Hechtian oscillator and also the gravisensor. Thus, interdependent auxin and Ca2+ morphogen gradients account for the predominance of AGPs. The size and location of a cell surface AGP-Ca2+ capacitor is essential to differentiation and explains AGP correlation with all stages of morphogenetic patterning from embryogenesis to root and shoot. Finally, the evolutionary origins of the Hechtian oscillator in the unicellular Chlorophycean algae reflect the ubiquitous role of chemiosmotic proton pumps that preceded DNA at the dawn of life.


2008 ◽  
Vol 20 (6) ◽  
pp. 1421-1422 ◽  
Author(s):  
Nancy A. Eckardt
Keyword(s):  

Author(s):  
Derek T Lamport ◽  
Li Tan ◽  
Michael Held ◽  
Marcia J. Kieliszewski

Morphogenesis remains a riddle, wrapped in a mystery, inside an enigma. It remains a formidable problem viewed from many different perspectives of morphology, genetics, and computational modelling. We propose a biochemical reductionist approach that shows how both internal and external physical forces contribute to plant morphogenesis via mechanical stress-strain transduction from the primary cell wall tethered to the plasma membrane by a specific arabinogalactan protein (AGP). The resulting stress vector with direction defined by Hechtian adhesion sites, has a magnitude of a few picoNewtons amplified by a hypothetical Hechtian growth oscillator. This paradigm shift involves stress activated plasma membrane Ca2+channels and auxin-activated H+-ATPase. The proton pump dissociates periplasmic AGP-glycomodules that bind Ca2+. Thus, as the immediate source of cytosolic Ca2+ an AGP-Ca2+ capacitor directs vectorial exocytosis of cell wall precursors and auxin efflux (PIN) proteins. In toto these components comprise the Hechtian Oscillator and also the gravisensor. Thus interdependent auxin and Ca2+ morphogen gradients account for the predominance of AGPs. The size and location of a cell surface AGP-Ca2+ capacitor is essential to differentiation and explains AGP correlation with all stages of morphogenetic patterning from embryogenesis to root and shoot. Finally, evolutionary origins of the Hechtian Oscillator in the unicellular Chlorophycean algae reflect the ubiquitous role of chemiosmotic proton pumps that preceded DNA at the dawn of life.


2011 ◽  
Vol 156 (1) ◽  
pp. 11-19 ◽  
Author(s):  
Derek T.A. Lamport ◽  
Marcia J. Kieliszewski ◽  
Yuning Chen ◽  
Maura C. Cannon

JAMA ◽  
1966 ◽  
Vol 195 (12) ◽  
pp. 1005-1009 ◽  
Author(s):  
D. J. Fernbach
Keyword(s):  

JAMA ◽  
1966 ◽  
Vol 195 (3) ◽  
pp. 167-172 ◽  
Author(s):  
T. E. Van Metre

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