Fresh Human Tissue

Fresh human tissue is recently collected tissue that retains its native cellular organization, molecular composition, and, when properly handled, aspects of its biological activity. In cancer research, specimens are rapidly transferred from collection to controlled processing or analysis, with conditions such as temperature, timing, and handling used to limit degradation and preserve tumor and surrounding tissue features. Researchers use fresh tissue to examine tumor architecture, gene and protein expression, cellular interactions, and responses to experimental treatments. These samples provide clinically relevant evidence that can complement cultured cells and other models, supporting disease characterization, biomarker studies, and development of more representative cancer therapies.

Fresh Human Tissue - Related Videos

Research

JoVE Journal - Neuroscience

Isolation of Cerebral Capillaries from Fresh Human Brain Tissue

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Cited by 34 •

2018

Isolated brain capillaries from human brain tissue can be used as a preclinical model to study barrier function under physiological and pathophysiological conditions. Here, we present an optimized protocol to isolate brain capillaries from fresh human brain tissue.

A Simple and Rapid Protocol to Non-enzymatically Dissociate Fresh Human Tissues for the Analysis of Infiltrating Lymphocytes

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Cited by 29 •

2014

This protocol describes the rapid non-enzymatic dissociation of fresh human tissue fragments for qualitative and quantitative assessment of CD45+ cells (lymphocytes/leukocytes) present in various normal and malignant human tissues. Additionally, the supernatant obtained from the primary tissue homogenate can be collected and stored for further analysis or experimentation.

Working with Human Tissues for Translational Cancer Research

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Cited by 4 •

2015

Translational cancer research is dependent on extraction of human tissues. Much work has gone into optimizing extraction methods for ex vivo analysis. Here, we describe tissue processing methods allowing for maximal data output from limited samples.

Optimization of Laser-Capture Microdissection for the Isolation of Enteric Ganglia from Fresh-Frozen Human Tissue

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Cited by 9 •

2018

The goal of this protocol is to obtain high-integrity RNA samples from enteric ganglia isolated from unfixed, freshly-resected human intestinal tissue using laser capture microdissection (LCM). This protocol involves preparing flash-frozen samples of human intestinal tissue, cryosectioning, ethanolic staining and dehydration, LCM, and RNA extraction.

siRNA Transfection and EMSA Analyses on Freshly Isolated Human Villous Cytotrophoblasts

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Cited by 3 •

2016

This protocol describes a method for efficiently transfecting siRNA in freshly isolated human villous cytotrophoblasts using microporation and identifying DNA-protein complexes in these cells. Transfected cells can be monitored by Western blot and EMSA analyses during the 4-day culture time.

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