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Showing 25 to 36 of 223 entries
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Amyloid-Based Injectable Hydrogel Derived from Hydrolyzed Hen Egg White Lysozyme.

ACS omega

Yang L, Li H, Yao L, Yu Y, Ma G.
PMID: 31459897
ACS Omega. 2019 May 02;4(5):8071-8080. doi: 10.1021/acsomega.8b03492. eCollection 2019 May 31.

Injectable hydrogels based on synthetic peptides have shown great promise in many biomedical applications. Yet, the high cost generally associated with synthetic peptides hinders the practical use of such peptide-based injectable hydrogel. To overcome this drawback, here, we propose...

Top-Down Glycopeptidomics Reveals Intact Glycomacropeptide is Digested to a Wide Array of Peptides in Human Jejunum.

The Journal of nutrition

Koh J, Kim BJ, Qu Y, Huang H, Dallas DC.
PMID: 34850069
J Nutr. 2021 Nov 26; doi: 10.1093/jn/nxab400. Epub 2021 Nov 26.

BACKGROUND: Bovine milk κ-casein-derived caseinomacropeptide (CMP) is produced in large quantities during cheesemaking and has various biological activities demonstrated via in vitro and in vivo experiments. Previous studies examined protein degradation and peptide release after casein or whey protein...

Higher-order interfiber interactions in the self-assembly of benzene-1,3,5-tricarboxamide-based peptides in water.

Polymer chemistry

Zagorodko O, Melnyk T, Rogier O, Nebot VJ, Vicent MJ.
PMID: 34262624
Polym Chem. 2021 May 28;12(23):3478-3487. doi: 10.1039/d1py00304f. eCollection 2021 Jun 15.

Mimicking the complexity of biological systems with synthetic supramolecular materials requires a deep understanding of the relationship between the structure of the molecule and its self-assembly pattern. Herein, we report a series of water-soluble benzene-1,3,5-tricarboxamide-based di- and tripeptide derivatives...

Meta-analysis of peptides to detect protein significance.

Statistics and its interface

Zhang Y, Ouyang Z, Qian WJ, Smith RD, Wong WH, Davis RW.
PMID: 34055134
Stat Interface. 2020;13(4):465-474. doi: 10.4310/sii.2020.v13.n4.a4. Epub 2020 Jul 31.

Shotgun assays are widely used in biotechnologies to characterize large molecules, which are hard to be measured as a whole directly. For instance, in Liquid Chromatography - Mass Spectrometry (LC-MS) shotgun experiments, proteins in biological samples are digested into...

Electroblotting through Enzymatic Membranes to Enhance Molecular Tissue Imaging.

Journal of the American Society for Mass Spectrometry

Andrews WT, Bickner AN, Tobias F, Ryan KA, Bruening ML, Hummon AB.
PMID: 34110793
J Am Soc Mass Spectrom. 2021 Jul 07;32(7):1689-1699. doi: 10.1021/jasms.1c00046. Epub 2021 Jun 10.

MALDI-TOF mass spectrometry imaging (MSI) is a powerful tool for studying biomolecule localization in tissue. Protein distributions in tissue provide important histological information; however, large proteins exhibit a high limit of detection in MALDI-MS when compared to their corresponding...

Age-related Reference Intervals for Total Collagen-I-N-terminal Propeptide in Healthy Korean Population.

Journal of bone metabolism

Yoo JI, Park AJ, Lim YK, Kweon OJ, Choi JH, Do JH, Kim S, Kim Y, Ha YC.
PMID: 30574468
J Bone Metab. 2018 Nov;25(4):235-241. doi: 10.11005/jbm.2018.25.4.235. Epub 2018 Nov 30.

BACKGROUND: Procollagen type I N-terminal propeptide (PINP) is one of the most clinically useful bone formation biomarkers. Therefore, the purpose of this study was to independently evaluate the performance of automated total PINP assay and established age- and gender-specific...

Proteomics with Enhanced In-Source Fragmentation/Annotation: Applying XCMS-EISA Informatics and Q-MRM High-Sensitivity Quantification.

Journal of the American Society for Mass Spectrometry

Xue J, Derks RJE, Hoang L, Giera M, Siuzdak G.
PMID: 34633184
J Am Soc Mass Spectrom. 2021 Nov 03;32(11):2644-2654. doi: 10.1021/jasms.1c00188. Epub 2021 Oct 11.

Enhanced in-source fragmentation/annotation (EISA) has recently been shown to produce fragment ions that match tandem mass spectrometry data across a wide range of small molecules. EISA has been developed to facilitate data-dependent acquisition (DDA), data-independent acquisiton (DIA), and multiple-reaction...

Thermodynamics and structural characterization of the nickel(II) and zinc(II) complexes of various peptide fragments of tau protein.

Dalton transactions (Cambridge, England : 2003)

Balogh BD, Szunyog G, Lukács M, Szakács B, Sóvágó I, Várnagy K.
PMID: 34569575
Dalton Trans. 2021 Oct 19;50(40):14411-14420. doi: 10.1039/d1dt02324a.

Nickel(II) and zinc(II) complexes of various peptide fragments of tau protein have been investigated by potentiometric, UV-Vis, CD and ESI-MS techniques. The peptides include the native fragment tau(9-16) (Ac-EVMEDHAG-NH

Native CGRP Neuropeptide and Its Stable Analogue SAX, But Not CGRP Peptide Fragments, Inhibit Mucosal HIV-1 Transmission.

Frontiers in immunology

Mariotton J, Sams A, Cohen E, Sennepin A, Siracusano G, Sanvito F, Edvinsson L, Delongchamps NB, Zerbib M, Lopalco L, Bomsel M, Ganor Y.
PMID: 34956215
Front Immunol. 2021 Dec 08;12:785072. doi: 10.3389/fimmu.2021.785072. eCollection 2021.

BACKGROUND: The vasodilator neuropeptide calcitonin gene-related peptide (CGRP) plays both detrimental and protective roles in different pathologies. CGRP is also an essential component of the neuro-immune dialogue between nociceptors and mucosal immune cells. We previously discovered that CGRP is...

Mini-review: Amyloid degradation toxicity hypothesis of Alzheimer's disease.

Neuroscience letters

Zaretsky DV, Zaretskaia MV.
PMID: 34000347
Neurosci Lett. 2021 Jun 21;756:135959. doi: 10.1016/j.neulet.2021.135959. Epub 2021 May 14.

Alzheimer's disease (AD) is the most common cause of dementia affecting millions of people. Neuronal death in AD is initiated by oligomeric amyloid-β (Aβ) peptides. The amyloid channel hypothesis readily explains the primary molecular damage but does not address...

Mapping Isomeric Peptides Derived from Biopharmaceuticals Using High-Resolution Ion Mobility Mass Spectrometry.

Analytical chemistry

Tomczyk N, Giles K, Richardson K, Ujma J, Palmer M, Nielsen PK, Haselmann KF.
PMID: 34842410
Anal Chem. 2021 Dec 14;93(49):16379-16384. doi: 10.1021/acs.analchem.1c02834. Epub 2021 Nov 29.

The identification and localization of isomeric peptide modifications is a critical requirement of the biopharmaceutical industry. Despite the ability of liquid chromatography-mass spectrometry to identify many of the common post translational modifications, the identification of isobaric or racemized peptides...

Application of PolyPRep tools on HIV protease polyproteins using molecular docking.

Brazilian journal of biology = Revista brasleira de biologia

Dias MFR, Oliveira FLL, Pontes VS, Silva ML.
PMID: 34932622
Braz J Biol. 2021 Dec 20;84:e245592. doi: 10.1590/1519-6984.245592. eCollection 2021.

In recent years, the development of high-throughput technologies for obtaining sequence data leveraged the possibility of analysis of protein data in silico. However, when it comes to viral polyprotein interaction studies, there is a gap in the representation of...

Showing 25 to 36 of 223 entries