scholarly journals Proteomic Analysis of Human Serum for Patients at Different Pathological Stages of Hepatic Fibrosis

2021 ◽  
Vol 2021 ◽  
pp. 1-16
Author(s):  
Kang Zhao ◽  
Jucun Huang ◽  
Hongmei Xia ◽  
Jianjun Zhang ◽  
Liming Liu
Keyword(s):  
Differential Expression ◽  
Hepatic Fibrosis ◽  
Proteomic Analysis ◽  
High Performance ◽  
Interaction Network ◽  
Go Annotation ◽  
Early Stages ◽  
Differential Proteins ◽  
Early Fibrosis ◽  
Fibrosis Staging

Background. Hepatic fibrosis is a severe liver disease that has threatened human health for a long time. In order to undergo timely and adequate therapy, it is important for patients to obtain an accurate diagnosis of fibrosis. Laboratory inspection methods have been efficient in distinguishing between advanced hepatic fibrosis stages (F3, F4), but the identification of early stages of fibrosis has not been achieved. The development of proteomics may provide us with a new direction to identify the stages of fibrosis. Methods. We established serum proteomic maps for patients with hepatic fibrosis at different stages and identified differential expression of proteins between fibrosis stages through ultra-high-performance liquid chromatography tandem mass spectrometry proteomic analysis. Results. From the proteomic profiles of the serum of patients with different stages of liver fibrosis, a total of 1,338 proteins were identified. Among three early fibrosis stages (control, F1, and F2), 55 differential proteins were identified, but no proteins simultaneously exhibited differential expression between control, F1, and F2. Differential proteins were detected in the comparison between different fibrosis stages. Significant differences were found between advanced fibrosis stages (F2-vs.-F3 and F3-vs.-F4) through a series of statistical analysis, including hierarchical clustering, Gene Ontology (GO) functional annotation, Kyoto Encyclopedia of Genes and Genomes pathway, and protein-protein interaction network analysis. The differential proteins identified by GO annotation were associated with biological processes (mainly platelet degranulation and cell adhesion), molecular functions, and cellular components. Conclusions. All potential biomarkers identified between the stages of fibrosis could be key points in determining the fibrosis staging. The differences between early stages may provide a useful reference in addressing the challenge of early fibrosis staging.

scholarly journals TMT-Based Quantitative Proteomic Analysis of Intestinal Organoids Infected by Listeria monocytogenes with Different Virulence

2020 ◽  
Author(s):  
Jie Huang ◽  
Cong Zhou ◽  
Guanghong Zhou ◽  
Keping Ye
Keyword(s):  
Listeria Monocytogenes ◽  
Proteomic Analysis ◽  
High Performance ◽  
Virulent Strain ◽  
Cellular Protein ◽  
Quantitative Proteomic Analysis ◽  
Intestinal Organoids ◽  
Food Borne ◽  
Differential Proteins ◽  
Fold Change Cutoff

AbstractListeria monocytogenes (Lm) is an opportunistic food-borne pathogen that cause listeriosis. L. monocytogenes belonged to different serovars presents with different virulence in the host and caused different host reactions. To investigate the remodeling of host proteome by differently toxic strains, the cellular protein responses of intestinal organoids were analyzed using TMT labeling and high performance liquid chromatography-mass spectrometry. Quantitative proteomic analysis revealed 6564 differentially expressed proteins, of which 5591 proteins were quantified. The fold-change cutoff was set at 1.3 (Lm vs control), the virulent strain caused 102 up-regulated proteins and 52 down-regulated proteins, while the low virulent strain caused 188 up-regulated proteins and 25 down-regulated proteins. These identified proteins were involved in the regulation of essential processes such as biological metabolism, energy metabolism, and immune system process. Some selected proteins were screened by Real-time PCR and Western blotting. These results revealed that differently toxic L. monocytogenes induced similar biological functions and immune responses while had different regulation on differential proteins in the pathway.

scholarly journals Proteomic analysis of haem-binding protein from Arabidopsis thaliana and Cyanidioschyzon merolae

2020 ◽  
Vol 375 (1801) ◽  
pp. 20190488 ◽  
Author(s):  
Takayuki Shimizu ◽  
Rintaro Yasuda ◽  
Yui Mukai ◽  
Ryo Tanoue ◽  
Tomohiro Shimada ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Proteomic Analysis ◽  
High Performance ◽  
Biochemical Analysis ◽  
Cyanidioschyzon Merolae ◽  
Genes Expression ◽  
Retrograde Signalling ◽  
Coordinated Expression ◽  
Retrograde Signal ◽  
Affinity Beads

Chloroplast biogenesis involves the coordinated expression of the plastid and nuclear genomes, requiring information to be sent from the nucleus to the developing chloroplasts and vice versa. Although it is well known how the nucleus controls chloroplast development, it is still poorly understood how the plastid communicates with the nucleus. Currently, haem is proposed as a plastid-to-nucleus (retrograde) signal that is involved in various physiological regulations, such as photosynthesis-associated nuclear genes expression and cell cycle in plants and algae. However, components that transduce haem-dependent signalling are still unidentified. In this study, by using haem-immobilized high-performance affinity beads, we performed proteomic analysis of haem-binding proteins from Arabidopsis thaliana and Cyanidioschyzon merolae . Most of the identified proteins were non-canonical haemoproteins localized in various organelles. Interestingly, half of the identified proteins were nucleus proteins, some of them have a similar function or localization in either or both organisms. Following biochemical analysis of selective proteins demonstrated haem binding. This study firstly demonstrates that nucleus proteins in plant and algae show haem-binding properties. This article is part of the theme issue ‘Retrograde signalling from endosymbiotic organelles’.

Proteomic analysis of cells in the early stages of herpes simplex virus type-1 infection reveals widespread changes in the host cell proteome

PROTEOMICS ◽  
2009 ◽  
Vol 9 (15) ◽  
pp. 3913-3927 ◽  
Author(s):  
Robin Antrobus ◽  
Kyle Grant ◽  
Bevin Gangadharan ◽  
David Chittenden ◽  
Roger D. Everett ◽  
...  
Keyword(s):  
Herpes Simplex Virus ◽  
Herpes Simplex ◽  
Host Cell ◽  
Virus Type ◽  
Herpes Simplex Virus Type ◽  
Proteomic Analysis ◽  
Early Stages ◽  
Simplex Virus ◽  
Cell Proteome

scholarly journals Genome-Wide Analysis of the Role of NAC Family in Flower Development and Abiotic Stress Responses in Cleistogenes songorica

Genes ◽  
2020 ◽  
Vol 11 (8) ◽  
pp. 927
Author(s):  
Xifang Zong ◽  
Qi Yan ◽  
Fan Wu ◽  
Qian Ma ◽  
Jiyu Zhang
Keyword(s):  
Differential Expression ◽  
Stress Responses ◽  
Expression Profiles ◽  
Crop Improvement ◽  
Gene Expression Profiles ◽  
Purifying Selection ◽  
Go Annotation ◽  
Nac Transcription Factors ◽  
Response To Stress ◽  
Nac Family

Plant-specific NAC (NAM, ATAF, CUC) transcription factor (TF) family plays important roles in biological processes such as plant growth and response to stress. Nevertheless, no information is known about NAC TFs in Cleistogenes songorica, a prominent xerophyte desert grass in northwestern China. In this study, 162 NAC genes were found from the Cleistogenes songorica genome, among which 156 C. songoricaNAC (CsNAC) genes (96.3%) were mapped onto 20 chromosomes. The phylogenetic tree constructed by CsNAC and rice NAC TFs can be separated into 14 subfamilies. Syntenic and Ka/Ks analyses showed that CsNACs were primarily expanded by genomewide replication events, and purifying selection was the primary force driving the evolution of CsNAC family genes. The CsNAC gene expression profiles showed that 36 CsNAC genes showed differential expression between cleistogamous (CL) and chasmogamous (CH) flowers. One hundred and two CsNAC genes showed differential expression under heat, cold, drought, salt and ABA treatment. Twenty-three CsNAC genes were commonly differentially expressed both under stress responses and during dimorphic floret development. Gene Ontology (GO) annotation, coexpression network and qRT-PCR tests revealed that these CsNAC genes may simultaneously regulate dimorphic floret development and the response to stress. Our results may help to characterize the NAC transcription factors in C. songorica and provide new insights into the functional research and application of the NAC family in crop improvement, especially in dimorphic floret plants.

scholarly journals Comparative Proteomic Analysis of Dipsacus asperoides Roots from Different Habitats in China

Molecules ◽  
2020 ◽  
Vol 25 (16) ◽  
pp. 3605
Author(s):  
Haijun Jin ◽  
Hua Yu ◽  
Haixia Wang ◽  
Jia Zhang
Keyword(s):  
Proteomic Analysis ◽  
Absolute Quantification ◽  
Pcr Analysis ◽  
Allene Oxide ◽  
Allene Oxide Cyclase ◽  
Protein Levels ◽  
Depth Analysis ◽  
Differential Proteins ◽  
Isobaric Tags

Dipsacus asperoides is a kind of Chinese herbal medicine with beneficial health properties. To date, the quality of D. asperoides from different habitats has shown significant differences. However, the molecular differences in D. asperoides from different habitats are still unknown. The aim of this study was to investigate the differences in protein levels of D. asperoides from different habitats. Isobaric tags for relative and absolute quantification (iTRAQ) and 2DLC/MS/MS were used to detect statistically significant changes in D. asperoides from different habitats. Through proteomic analysis, a total of 2149 proteins were identified, of which 42 important differentially expressed proteins were screened. Through in-depth analysis of differential proteins, the protein metabolism energy and carbohydrate metabolism of D. asperoides from Hubei Province were strong, but their antioxidant capacity was weak. We found that three proteins, UTP-glucose-1-phosphate uridylyltransferase, allene oxide cyclase, and isopentyl diphosphate isomerase 2, may be the key proteins involved in dipsacus saponin VI synthesis. Eight proteins were found in D. asperoides in response to environmental stress from different habitats. Quantitative real-time PCR analysis confirmed the accuracy and authenticity of the proteomic analysis. The results of this study may provide the basic information for exploring the cause of differences in secondary metabolites in different habitats of D. asperoides and the protein mechanism governing differences in quality.

scholarly journals Differential expression profiles and functional analysis of circular RNAs in children with fulminant myocarditis

Epigenomics ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1129-1141 ◽  
Author(s):  
Li Zhang ◽  
Bo Han ◽  
Jing Wang ◽  
Qingqing Liu ◽  
Yaru Kong ◽  
...  
Keyword(s):  
Functional Analysis ◽  
Healthy Volunteers ◽  
Differential Expression ◽  
Expression Profiles ◽  
Interaction Network ◽  
Fulminant Myocarditis ◽  
Circular Rnas ◽  
Biological Functions ◽  
Microarray Experiments ◽  
Network Building

Aim: To assess differential expression profiles of circular RNAs (circRNAs) and explore their possible functions in children with fulminant myocarditis. Materials & methods: circRNA microarray experiments were carried out for determining differential expression profiles of circRNAs in three children with fulminant myocarditis and three healthy volunteers. Functional analysis and circRNA–miRNA–mRNA interaction network building were conducted to study biological functions. Results: This work identified 2281 upregulated and 892 downregulated circRNAs. Further assessment confirmed hsa_circ_0071542 upregulation (2.5-fold) in fulminant myocarditis. Functional analysis demonstrated the differentially expressed circRNAs mainly contributed to inflammation and immunity. Conclusion: circRNAs might have substantial roles in pediatric fulminant myocarditis, and hsa_circ_0071542 could serve as a promising biomarker.

scholarly journals Comparative Proteomic Analysis of Molecular Differences between Leaves of Wild-Type Upland Cotton and Its Fuzzless-Lintless Mutant

Molecules ◽  
2019 ◽  
Vol 24 (20) ◽  
pp. 3769
Author(s):  
Liping Zhu ◽  
Bowen Zheng ◽  
Wangyang Song ◽  
Chengcheng Tao ◽  
Xiang Jin ◽  
...  
Keyword(s):  
Proteomic Analysis ◽  
Upland Cotton ◽  
Interaction Network ◽  
Enrichment Analysis ◽  
Gossypol Content ◽  
Pathway Enrichment Analysis ◽  
Protein Accumulation ◽  
Wild Type ◽  
Protein Protein Interaction ◽  
Comparative Proteomic Analysis

Fuzzless-lintless mutant (fl) ovules of upland cotton have been used to investigate cotton fiber development for decades. However, the molecular differences of green tissues between fl and wild-type (WT) cotton were barely reported. Here, we found that gossypol content, the most important secondary metabolite of cotton leaves, was higher in Gossypium hirsutum L. cv Xuzhou-142 (Xu142) WT than in fl. Then, we performed comparative proteomic analysis of the leaves from Xu142 WT and its fl. A total of 4506 proteins were identified, of which 103 and 164 appeared to be WT- and fl-specific, respectively. In the 4239 common-expressed proteins, 80 and 74 were preferentially accumulated in WT and fl, respectively. Pathway enrichment analysis and protein–protein interaction network analysis of both variety-specific and differential abundant proteins showed that secondary metabolism and chloroplast-related pathways were significantly enriched. Quantitative real-time PCR confirmed that the expression levels of 12 out of 16 selected genes from representative pathways were consistent with their protein accumulation patterns. Further analyses showed that the content of chlorophyll a in WT, but not chlorophyll b, was significantly increased compared to fl. This work provides the leaf proteome profiles of Xu142 and its fl mutant, indicating the necessity of further investigation of molecular differences between WT and fl leaves.

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