Mir-489 Expression
Mir-489 Expression - Related Videos
09:58
Preparation and In Vitro Characterization of Magnetized miR-modified Endothelial Cells
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Cited by 2 •
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This manuscript describes the efficient, non-viral delivery of miR to endothelial cells by a PEI/MNP vector and their magnetization. Thus, in addition to genetic modification, this approach allows for magnetic cell guidance and MRI detectability. The technique can be used to improve the characteristics of therapeutic cell products.
07:45
Tear-Derived Exosomal miR-15a as New Diagnostic Tool for Diabetic Retinopathy
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Cited by 1 •
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This article describes a protocol for the collection and detection of miR-15a from tears as a new diagnostic tool for diabetic retinopathy.
06:01
Clinicopathological Analysis of miRNA Expression in Breast Cancer Tissues by Using miRNA In Situ Hybridization
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Cited by 4 •
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Here we present a protocol to detect miRNA expression in breast cancer patient samples using miRNA in situ hybridization.
10:34
Using an Automated Cell Counter to Simplify Gene Expression Studies: siRNA Knockdown of IL-4 Dependent Gene Expression in Namalwa Cells
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Cited by 2 •
2010
This procedure describes a quick and easy workflow to introduce siRNA into difficult to transfect cell lines and follow gene expression by real-time PCR. Use of an automated cell counter, multi-well electroporation plate, and automated electrophoresis station provide quick and reliable results without the need for expensive robotic handling.
01:42
What is Gene Expression?
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2019
Overview Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors. Genetic Information Flows from DNA to RNA to Protein A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
FAQs
During miR-489 biogenesis, the gene is first transcribed into a precursor RNA rather than immediately becoming the mature regulatory molecule. Drosha and Dicer process this precursor through successive steps, producing the form that can participate in gene silencing. Examining these stages helps distinguish altered production or processing from downstream changes in target regulation.
Once loaded into the RNA-induced silencing complex, miR-489 recognizes messenger RNAs with complementary sequences. This interaction can reduce protein production by repressing translation or can promote messenger RNA degradation. The consequence is not simply a change in RNA abundance: it can alter expression of genes that influence cellular behavior, making target interaction important in mechanistic studies.
Measuring abundance provides a quantitative view of how strongly miR-489 expression is altered in a sample. Comparisons among tissues or biological fluids can reveal disease-associated changes in gene regulation, but abundance alone does not establish whether miR-489 causes those changes. Functional experiments are therefore needed to connect an observed pattern with cellular effects.
Production concerns transcription and processing, whereas activity depends on incorporation into the silencing complex and interaction with complementary messenger RNAs. These stages can provide different explanations for an apparent change in regulation. Separating them helps investigators interpret whether altered cellular behavior reflects expression level, processing, or downstream messenger RNA control.
Investigators can assess miR-489 expression in tissue samples or biological fluids, then compare its abundance across medically relevant conditions. These sample types support studies of altered gene regulation and biomarker potential. Interpretation depends on linking the measured expression pattern to disease-related changes rather than treating the measurement as a complete mechanistic explanation.
An altered miR-489 expression pattern may serve as a candidate biomarker when it is associated with disease. Diagnostic studies examine whether the pattern helps identify disease, whereas prognostic studies ask whether it relates to expected disease outcomes. In both settings, measurements in tissues or biological fluids support investigation, while interpretation depends on the relevant clinical question.
Expression profiling shows that miR-489 levels differ, but functional studies examine what that difference does to cells and gene regulation. By assessing the consequences of miR-489 activity, researchers can clarify disease mechanisms and evaluate whether the microRNA is a plausible target for RNA-based therapeutic strategies. This connects molecular measurement with potential medical intervention.