Tissue Specific Expression
Tissue Specific Expression - Related Videos
01:58
Cell Specific Gene Expression
0 Views •
2020
Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
01:58
Cell Specific Gene Expression
0 Views •
2023
Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
10:10
Investigating Tissue- and Organ-specific Phytochrome Responses using FACS-assisted Cell-type Specific Expression Profiling in Arabidopsis thaliana
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Cited by 5 •
2010
The molecular basis of spatial-specific phytochrome responses is being investigated using transgenic plants that exhibit tissue- and organ-specific phytochrome deficiencies. The isolation of specific cells exhibiting induced phytochrome chromophore depletion by Fluorescence-Activated Cell Sorting followed by microarray analyses is being utilized to identify genes involved in spatial-specific phytochrome responses.
08:37
Using Fluorescence Activated Cell Sorting to Examine Cell-Type-Specific Gene Expression in Rat Brain Tissue
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Cited by 17 •
2015
The goal of this protocol is to use the fluorescence activated cell sorting (FACS) technique to sort specific types of neural cells for subsequent analysis of cell-type-specific gene expression, epigenetic markers, and or protein expression.
08:22
Tissue-specific miRNA Expression Profiling in Mouse Heart Sections Using In Situ Hybridization
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2018
micro-RNAs (miRNAs) are short and highly homologous RNA sequences, serving as post-transcriptional regulators of messenger RNAs (mRNAs). Current miRNA detection methods vary in sensitivity and specificity. We describe a protocol that combines in situ hybridization and immunostaining for concurrent detection of miRNA and protein molecules on mouse heart tissue sections.
FAQs
Regulatory elements help determine whether a gene is transcribed, while transcription factors influence the activity of those elements in particular cell types. Their tissue-dependent activity can change both gene activation and expression strength. This selective control allows cells that share the same genome to produce the gene activity patterns required for different biological functions.
Signaling pathways and epigenetic modifications provide additional layers of control over gene transcription. Signals associated with a tissue or physiological condition can influence regulatory activity, while epigenetic changes can affect whether genes are accessible for transcription. Together, these mechanisms help establish or adjust expression patterns during development and in response to environmental or physiological changes.
Development depends on different cells activating appropriate sets of genes at the right time and strength. Tissue-specific expression helps produce distinct biological functions even though cells contain the same genome. By examining these patterns, researchers can connect gene regulation with tissue specialization and investigate how changes in expression contribute to developmental processes.
Researchers examine which genes are active in particular tissues and how strongly those genes are expressed. Comparing these patterns across cell types or organs can reveal tissue-associated biological functions and changes linked to development, physiology, or environmental conditions. The resulting expression profile provides a way to relate gene regulation to observable differences between tissues.
Disease-associated expression patterns can show that particular genes or regulatory processes are altered in specific organs or tissues. Studying where expression changes occur helps researchers connect genetic regulation with tissue-level dysfunction rather than treating the organism as uniform. These findings can support investigation of disease mechanisms and help identify biomarkers associated with affected tissues.
Knowing which tissues normally express a gene can guide strategies intended to act on a particular organ or cell type. Tissue-specific expression patterns provide biological context for selecting relevant targets and assessing how genetic changes may affect different organs. This information can improve the rationale for targeted gene therapy and help focus treatment on the tissues involved.