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Showing 9985 to 9996 of 20335 entries
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Negatively charged phospholipids accelerate the membrane fusion activity of the plant-specific insert domain of an aspartic protease.

The Journal of biological chemistry

Zhao X, Ma X, Dupius JH, Qi R, Tian JJ, Chen J, Ou X, Qian Z, Liang D, Wang P, Yada RY, Wang S.
PMID: 34801553
J Biol Chem. 2021 Nov 18;298(1):101430. doi: 10.1016/j.jbc.2021.101430. Epub 2021 Nov 18.

Various plants use antimicrobial proteins/peptides to resist phytopathogens. In the potato, Solanum tuberosum, the plant-specific insert (PSI) domain of an aspartic protease performs this role by disrupting phytopathogen plasma membranes. However, the mechanism by which PSI selects target membranes...

γδ T cells in artiodactyls: Focus on swine.

Developmental and comparative immunology

Le Page L, Baldwin CL, Telfer JC.
PMID: 34919982
Dev Comp Immunol. 2022 Mar;128:104334. doi: 10.1016/j.dci.2021.104334. Epub 2021 Dec 15.

Vaccination is the most effective medical strategy for disease prevention but there is a need to improve livestock vaccine efficacy. Understanding the structure of the immune system of swine, which are considered a γδ T cell "high" species, and...

Immunomodulatory peptides-A promising source for novel functional food production and drug discovery.

Peptides

Pavlicevic M, Marmiroli N, Maestri E.
PMID: 34856531
Peptides. 2022 Feb;148:170696. doi: 10.1016/j.peptides.2021.170696. Epub 2021 Nov 29.

Immunomodulatory peptides are a complex class of bioactive peptides that encompasses substances with different mechanisms of action. Immunomodulatory peptides could also be used in vaccines as adjuvants which would be extremely desirable, especially in response to pandemics. Thus, immunomodulatory...

Tunable and Cooperative Catalysis for Enantioselective Pictet-Spengler Reaction with Varied Nitrogen-Containing Heterocyclic Carboxaldehydes.

Angewandte Chemie (International ed. in English)

Chan YC, Sak MH, Frank SA, Miller SJ.
PMID: 34487418
Angew Chem Int Ed Engl. 2021 Nov 08;60(46):24573-24581. doi: 10.1002/anie.202109694. Epub 2021 Oct 07.

Herein we report an organocatalytic enantioselective functionalization of heterocyclic carboxaldehydes via the Pictet-Spengler reaction. Through careful pairing of novel squaramide and Brønsted acid catalysts, our method tolerates a breadth of heterocycles, enabling preparation of a series of heterocycle conjugated...

Matters of class: coming of age of class III and IV lanthipeptides.

RSC chemical biology

Hegemann JD, Süssmuth RD.
PMID: 34458752
RSC Chem Biol. 2020 Jul 16;1(3):110-127. doi: 10.1039/d0cb00073f. eCollection 2020 Aug 01.

Lanthipeptides belong to the superfamily of ribosomally-synthesized and posttranslationally-modified peptides (RiPPs). Despite the fact that they represent one of the longest known RiPP subfamilies, their youngest members, classes III and IV, have only been described more recently. Since then,...

Cyclic peptide scaffold with ability to stabilize and deliver a helical cell-impermeable cargo across membranes of cultured cancer cells.

RSC chemical biology

Lawrence N, Philippe GJ, Harvey PJ, Condon ND, Benfield AH, Cheneval O, Craik DJ, Troeira Henriques S.
PMID: 34458771
RSC Chem Biol. 2020 Oct 20;1(5):405-420. doi: 10.1039/d0cb00099j. eCollection 2020 Dec 01.

Cell penetrating peptides (CPPs) are valuable tools for developing anticancer therapies due to their ability to access intracellular targets, including protein-protein interactions. cPF4PD is a newly described CPP designed from a transduction domain of the human defense protein platelet...

Optical chemosensors for the detection of proximally phosphorylated peptides and proteins.

RSC chemical biology

Cabral AD, Radu TB, de Araujo ED, Gunning PT.
PMID: 34458812
RSC Chem Biol. 2021 Apr 21;2(3):815-829. doi: 10.1039/d1cb00055a. eCollection 2021 Jun 01.

Proximal multi-site phosphorylation is a critical post-translational modification in protein biology. The additive effects of multiple phosphosite clusters in close spatial proximity triggers integrative and cooperative effects on protein conformation and activity. Proximal phosphorylation has been shown to modulate...

Targeted disruption of PKC from AKAP signaling complexes.

RSC chemical biology

Limaye AJ, Bendzunas GN, Kennedy EJ.
PMID: 34458835
RSC Chem Biol. 2021 Jul 19;2(4):1227-1231. doi: 10.1039/d1cb00106j. eCollection 2021 Aug 05.

Protein Kinase C (PKC) is a member of the AGC subfamily of kinases and regulates a wide array of signaling pathways and physiological processes. Protein-protein interactions involving PKC and its scaffolding partners dictate the spatiotemporal dynamics of PKC activity,...

Antimicrobial activities of chemokines: not just a side-effect?.

Frontiers in immunology

Wolf M, Moser B.
PMID: 22837760
Front Immunol. 2012 Jul 23;3:213. doi: 10.3389/fimmu.2012.00213. eCollection 2012.

The large family of chemoattractant cytokines (chemokines) embraces multiple, in part unrelated functions that go well beyond chemotaxis. Undoubtedly, the control of immune cell migration (chemotaxis) is the single, unifying response mediated by all chemokines, which involves the sequential...

Inhibition of cellular and systemic inflammation cues in human bronchial epithelial cells by melanocortin-related peptides: mechanism of KPV action and a role for MC3R agonists.

International journal of physiology, pathophysiology and pharmacology

Land SC.
PMID: 22837805
Int J Physiol Pathophysiol Pharmacol. 2012;4(2):59-73. Epub 2012 Jun 23.

BACKGROUND/AIMS: Chemokine signaling from airway epithelium regulates macrophage recruitment to the lung in inflammatory diseases such as asthma. This study investigates the mechanism by which the α-melanocyte stimulating hormone-derived tripeptide, KPV, and the agonist of the dominant melanocortin receptor...

Enzymatic Delivery of Magnetic Nanoparticles into Mitochondria of Live Cells.

ChemNanoMat : chemistry of nanomaterials for energy, biology and more

He H, Guo J, Xu B.
PMID: 34900519
ChemNanoMat. 2021 Oct;7(10):1104-1107. doi: 10.1002/cnma.202100249. Epub 2021 Jun 28.

Delivering magnetic nanoparticles (MNPs) into mitochondria provide a facile approach to manipulate cell life because mitochondria play essential roles in cell survival and death. Here we report the use of enzyme-responsive peptide assemblies to deliver MNPs into mitochondria of...

Hormonal treatments for endometriosis: The endocrine background.

Reviews in endocrine & metabolic disorders

Vannuccini S, Clemenza S, Rossi M, Petraglia F.
PMID: 34405378
Rev Endocr Metab Disord. 2021 Aug 17; doi: 10.1007/s11154-021-09666-w. Epub 2021 Aug 17.

Endometriosis is a benign uterine disorder characterized by menstrual pain and infertility, deeply affecting women's health. It is a chronic disease and requires a long term management. Hormonal drugs are currently the most used for the medical treatment and...

Showing 9985 to 9996 of 20335 entries