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Showing 217 to 223 of 223 entries
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Schizophrenia is defined by cell-specific neuropathology and multiple neurodevelopmental mechanisms in patient-derived cerebral organoids.

Molecular psychiatry

Notaras M, Lodhi A, Dündar F, Collier P, Sayles NM, Tilgner H, Greening D, Colak D.
PMID: 34789849
Mol Psychiatry. 2021 Nov 17; doi: 10.1038/s41380-021-01316-6. Epub 2021 Nov 17.

Due to an inability to ethically access developing human brain tissue as well as identify prospective cases, early-arising neurodevelopmental and cell-specific signatures of Schizophrenia (Scz) have remained unknown and thus undefined. To overcome these challenges, we utilized patient-derived induced...

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...

Enzymatic condensation of cholecystokinin CCK-8 (4-6) and CCK-8 (7-8) peptide fragments in organic media.

Biotechnology and bioengineering

Capellas M, Caminal G, Gonzalez G, López-Santín J, Clapés P.
PMID: 18642248
Biotechnol Bioeng. 1997 Nov 20;56(4):456-63. doi: 10.1002/(SICI)1097-0290(19971120)56:4<456::AID-BIT11>3.0.CO;2-A.

The kinetically controlled condensation reaction of Z-Gly-Trp-Met-OR(1) (R(1): Et, Al, Cam) and H-Asp-(OR(2))-Phe-NH(2) (R(2): H, Bu(t)) catalyzed by alpha-chymotrypsin deposited onto polyamide in organic media was studied. The effect of the drying process of the enzyme-support preparation, substrate concentrations,...

Determination of osteocalcin in meat and bone meal of bovine and porcine origin using matrix-assisted laser desorption ionization/time-of-flight mass spectrometry and high-resolution hybrid mass spectrometry.

Analytica chimica acta

Balizs G, Weise C, Rozycki C, Opialla T, Sawada S, Zagon J, Lampen A.
PMID: 21504815
Anal Chim Acta. 2011 May 05;693(1):89-99. doi: 10.1016/j.aca.2011.03.027. Epub 2011 Mar 16.

A method has been developed for determining the origin of meat and bone meal (MBM) by detecting species-specific osteocalcin (OC) using matrix-assisted laser desorption ionization/time-of-flight (MALDI/TOF) and high-resolution hybrid mass spectrometry (HR-Q/TOF MS). The analysis is based on the...

A Strategy for Efficient Preparation of Genus-Specific Diagnostic Antibodies for Snakebites.

Frontiers in immunology

Long C, Wu F, Lu Q, Xie B, Shen C, Li J, Deng Y, Liang P, Yu Y, Lai R.
PMID: 34899734
Front Immunol. 2021 Nov 09;12:775678. doi: 10.3389/fimmu.2021.775678. eCollection 2021.

As said by former United Nations Secretary-General Kofi Annan, "Snakebite is the most important tropical disease you've never heard of." Listed as a priority neglected tropical disease by the World Health Organization, snakebite envenoming (SBE) kills in excess of...

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...

Peptidomics of enteroendocrine cells and characterisation of potential effects of a novel preprogastrin derived-peptide on glucose tolerance in lean mice.

Peptides

Galvin SG, Larraufie P, Kay RG, Pitt H, Bernard E, McGavigan AK, Brant H, Hood J, Sheldrake L, Conder S, Atherton-Kemp D, Lu VB, O'Flaherty EAA, Roberts GP, Ämmälä C, Jermutus L, Baker D, Gribble FM, Reimann F.
PMID: 33744371
Peptides. 2021 Jun;140:170532. doi: 10.1016/j.peptides.2021.170532. Epub 2021 Mar 17.

OBJECTIVES: To analyse the peptidomics of mouse enteroendocrine cells (EECs) and human gastrointestinal (GI) tissue and identify novel gut derived peptides.METHODS: High resolution nano-flow liquid chromatography mass spectrometry (LC-MS/MS) was performed on (i) flow-cytometry purified NeuroD1 positive cells from...

Showing 217 to 223 of 223 entries