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Phosphorylation regulation of cardiac proteins in Babesia microti infected mice in an effort to restore heart function

ABSTRACT: The dynamic changes of all proteins in the heart of mice infected with Babesia were studied by using DIA quantitative proteomics technology, and the regulation strategy of proteins in the heart of mice infected with Babesia was discussed.

ORGANISM(S): Mus Musculus

SUBMITTER: Hui Wang

PROVIDER: PXD029452 | iProX | Mon Nov 01 00:00:00 GMT 2021

REPOSITORIES: iProX

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Phosphorylation regulation of cardiac proteins in Babesia microti infected mice in an effort to restore heart function.

Yang Xiaohong X Wang Ningmei N Ren Shuguang S Hu Yuhong Y Wang Han H Ji Aimeng A Cao Lihui L Li Mengxue M Liu Jingze J Wang Hui H

Parasites & vectors 20220321 1

<h4>Background</h4>Babesia is a common protozoan parasite that infects red blood cells. In mice infected with Babesia microti, the red blood cells were lysed, resulting in decreased oxygen-carrying capacity. To compensate for low blood oxygen levels, stress on the heart was greatly increased. Babesiosis induces a variety of pathologies; meanwhile, heart tissues initiate self-repair responses to babesiosis-induced tissue damage to restore heart function.<h4>Methods</h4>To discover the molecular m ...[more]

PMID: 35313969

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Project description:BackgroundBabesia is a common protozoan parasite that infects red blood cells. In mice infected with Babesia microti, the red blood cells were lysed, resulting in decreased oxygen-carrying capacity. To compensate for low blood oxygen levels, stress on the heart was greatly increased. Babesiosis induces a variety of pathologies; meanwhile, heart tissues initiate self-repair responses to babesiosis-induced tissue damage to restore heart function.MethodsTo discover the molecular mechanisms of the damage and self-repair in the heart after B. microti infection in mice, we investigated the changes in protein expression and phosphorylation modification levels in heart tissues at 0, 5, 8, 11, and 19 days post-infection using data-independent acquisition (DIA) quantitative proteomics.ResultsThe numbers of global proteins we identified were 1934, 1966, 1984, 1989, and 1955 and of phosphopeptides were 5118, 5133, 5130, 5133, and 5140 at 0, 5, 8, 11, and 19 days, respectively, in heart cells after infection with B. microti. The results showed that after B. microti infection the differentially expressed proteins in mice mainly include fibrinogen α (Fgα), fibrinogen β (Fgβ), Serpina1b, Serpina1c, cathepsin Z, cytochrome c oxidases (COXs), RPS11, and RPS20. The proteins with phosphorylation changes mainly include 20-kDa light chain of myosin II (MLC20), myosin light chain kinase (MLCK), mitogen-activated protein kinase 14 (MAPK14), and Akt1. These proteins were mainly involved in coagulation processes, cell apoptosis, oxidative phosphorylation, and ribosomes.ConclusionsThe coagulation cascade-related proteins, apoptosis-related proteins, oxidative phosphorylation-related proteins, and other types of proteins are all involved in the damage and self-repair process in the heart after B. microti infection. These results offer a wealth of new targets for further exploration into the causes of heart disease induced by Babesia infection and are of great significance for novel drug development and new opportunities for targeted therapies.

Dataset Information

Phosphorylation regulation of cardiac proteins in Babesia microti infected mice in an effort to restore heart function

Publications

Phosphorylation regulation of cardiac proteins in Babesia microti infected mice in an effort to restore heart function.

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