Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA390771 | ENA |
REPOSITORIES: ENA
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Project description:Endogenous and exogenous extracellular RNAs will be characterized in four body fluids (plasma, serum, CSF and saliva) collected at the same time from 134 healthy subjects ranging in age from 31 to 101 years old. Small RNAs contained in these samples will be profiled by small RNA-seq using unfractionated biofluids and purified extracellular vesicles.
2022-03-30 | GSE199506 | GEO
Project description:Endogenous and exogenous extracellular RNAs will be characterized in four body fluids (plasma, serum, CSF and saliva) collected at the same time from 134 healthy subjects ranging in age from 31 to 101 years old. Small RNAs contained in these samples will be profiled by small RNA-seq using unfractionated biofluids and purified extracellular vesicles.
2022-03-30 | GSE199505 | GEO
Project description:Endogenous and exogenous extracellular RNAs will be characterized in four body fluids (plasma, serum, CSF and saliva) collected at the same time from 134 healthy subjects ranging in age from 31 to 101 years old. Small RNAs contained in these samples will be profiled by small RNA-seq using unfractionated biofluids and purified extracellular vesicles.
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Project description:microRNAs in serum extracellular vesicles in flu-infected mice
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Project description:Transcriptional profiling of Homo sapiens inflammatory skin diseases (whole skin biospies): Psoriasis (Pso), vs Atopic Dermatitis (AD) vs Lichen planus (Li), vs Contact Eczema (KE), vs Healthy control (KO) In recent years, different genes and proteins have been highlighted as potential biomarkers for psoriasis, one of the most common inflammatory skin diseases worldwide. However, most of these markers are not psoriasis-specific but also found in other inflammatory disorders. We performed an unsupervised cluster analysis of gene expression profiles in 150 psoriasis patients and other inflammatory skin diseases (atopic dermatitis, lichen planus, contact eczema, and healthy controls). We identified a cluster of IL-17/TNFα-associated genes specifically expressed in psoriasis, among which IL-36γ was the most outstanding marker. In subsequent immunohistological analyses IL-36γ was confirmed to be expressed in psoriasis lesions only. IL-36γ peripheral blood serum levels were found to be closely associated with disease activity, and they decreased after anti-TNFα-treatment. Furthermore, IL-36γ immunohistochemistry was found to be a helpful marker in the histological differential diagnosis between psoriasis and eczema in diagnostically challenging cases. These features highlight IL-36γ as a valuable biomarker in psoriasis patients, both for diagnostic purposes and measurement of disease activity during the clinical course. Furthermore, IL-36γ might also provide a future drug target, due to its potential amplifier role in TNFα- and IL-17 pathways in psoriatic skin inflammation. In recent years, different genes and proteins have been highlighted as potential biomarkers for psoriasis, one of the most common inflammatory skin diseases worldwide. However, most of these markers are not psoriasis-specific but also found in other inflammatory disorders. We performed an unsupervised cluster analysis of gene expression profiles in 150 psoriasis patients and other inflammatory skin diseases (atopic dermatitis, lichen planus, contact eczema, and healthy controls). We identified a cluster of IL-17/TNFα-associated genes specifically expressed in psoriasis, among which IL-36γ was the most outstanding marker. In subsequent immunohistological analyses IL-36γ was confirmed to be expressed in psoriasis lesions only. IL-36γ peripheral blood serum levels were found to be closely associated with disease activity, and they decreased after anti-TNFα-treatment. Furthermore, IL-36γ immunohistochemistry was found to be a helpful marker in the histological differential diagnosis between psoriasis and eczema in diagnostically challenging cases. These features highlight IL-36γ as a valuable biomarker in psoriasis patients, both for diagnostic purposes and measurement of disease activity during the clinical course. Furthermore, IL-36γ might also provide a future drug target, due to its potential amplifier role in TNFα- and IL-17 pathways in psoriatic skin inflammation.
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Project description:The diagnosis of Parkinson’s disease (PD) lacks precision and occurs relatively late in disease progression. MicroRNAs are epigenetic regulators that have been used as biomarkers in various medical fields. Here, we used small RNA sequencing to quantify the microRNAome of extracellular vesicles isolated from human cerebrospinal fluid (CSF) of PD and control subjects (CTR) aiming to identify a microRNA-based signature for PD.
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Project description:Extracellular vesicles (EVs) play a crucial role in facilitating intercellular communication. The microRNA profiles carried by EVs often exhibit variations between tumor patients and healthy individuals, making them promising biomarkers. These biomarkers are implicated in oncogenic processes and tumor metastasis upon uptake by recipient cells. To investigate the impact of EV biomarkers on tumorigenesis, we exposed HCT-116 cell lines to EVs isolated from the serum of both tumor patients and healthy individuals. In comparison to cell lines treated with extracellular vesicles (EVs) from healthy individuals and blank controls, cell lines treated with EVs from HCC sources exhibit significant alterations in the expression of certain genes associated with pathways related to liver cancer. Our findings shedlight on the intricate interplay between EVs and tumor progression.
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