Background: Searching the biomarker from complex heterogeneous material for early detection of disease is a challenging task in the field of biomedical sciences.
Objective: The study has been arranged to explore the proteomics serum derived profiling of the differential expressed and low molecular weight protein in breast cancer patient.
Methods: Quantitative proteome was analyzed using the Nano LC/Mass and Bioinformatics tool.
Results: This quantification yields 239 total protein constituting 29% of differentially expressed protein, with 82% downregulated differential protein and 18% up-regulated differential protein. While 12% of total protein were found to be cancer inducing proteins. Gene Ontology (GO) described that the altered proteins with 0-60 kDa mass in nucleus, cytosol, ER, and mitochondria were abundant that chiefly controlled the RNA, DNA, ATP, Ca ion and receptor bindings.
Conclusion: The study demonstrate that the organelle specific, low molecular weighted proteins are significantly important biomarker. That act as strong agents in the prognosis and diagnosis of breast cancer at early stage.
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http://dx.doi.org/10.2174/0929866527666200110155609 | DOI Listing |
Nat Methods
December 2024
Istituto Italiano di Tecnologia, Center for Biomolecular Nanotechnologies, Arnesano, Italy.
Optical approaches to monitor neural activity are transforming neuroscience, owing to a fast-evolving palette of genetically encoded molecular reporters. However, the field still requires robust and label-free technologies to monitor the multifaceted biomolecular changes accompanying brain development, aging or disease. Here, we have developed vibrational fiber photometry as a low-invasive method for label-free monitoring of the biomolecular content of arbitrarily deep regions of the mouse brain in vivo through spontaneous Raman spectroscopy.
View Article and Find Full Text PDFLight Sci Appl
January 2025
Center for Nanoscience and Technology, Istituto Italiano di Tecnologia, Milano, 20134, Italy.
We introduce a family of membrane-targeted azobenzenes (MTs) with a push-pull character as a new tool for cell stimulation. These molecules are water soluble and spontaneously partition in the cell membrane. Upon light irradiation, they isomerize from trans to cis, changing the local charge distribution and thus stimulating the cell response.
View Article and Find Full Text PDFLife Sci Alliance
March 2025
Faculdade de Medicina da Universidade de Lisboa, Lisboa, Portugal
Variants in the hereditary cancer-associated and genes can alter RNA splicing, producing transcripts that encode internally truncated yet potentially functional proteins. However, few studies have quantitatively analyzed variant-specific splicing isoforms. Here, we investigated cells heterozygous and homozygous for the :c.
View Article and Find Full Text PDFIn Vivo
December 2024
Laboratorio de Biología Molecular, Laboratorio Estatal de Salud Pública del Estado de México, Toluca de Lerdo, Mexico
Background/aim: Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2 infection, manifests a wide range of clinical symptoms ranging from mild to moderate and severe. Host-related factors influence the course of SARS-CoV-2 infection; for instance, the expression of host microRNAs (miRNAs) could influence the progression and complications of COVID-19. This study aimed to determine the expression pattern of endogenous miRNAs in 80 severe COVID-19 patients compared to a group of healthy individuals.
View Article and Find Full Text PDFIn Vivo
December 2024
Graduate Program for Bio-health/Innovative Drug Development using Subtropical Bio-Resources, Jeju National University, Jeju, Republic of Korea;
Background/aim: Breast cancer stem cells (BCSCs) are a subpopulation of tumor cells that play a role in therapeutic resistance. In this study, we demonstrated that sertaconazole, an antifungal agent, displayed a potent inhibition on cancer stem cells (CSCs) and investigated the mechanism of action involved in its anti-BCSC effect.
Materials And Methods: The effect of sertaconazole on BCSCs was investigated using a mammosphere formation assay, a colony formation assay, and a cell migration assay.
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