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2015 ; 30
(11
): 1255-69
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Laser capture microdissection: Big data from small samples
#MMPMID25892148
Datta S
; Malhotra L
; Dickerson R
; Chaffee S
; Sen CK
; Roy S
Histol Histopathol
2015[Nov]; 30
(11
): 1255-69
PMID25892148
show ga
Any tissue is made up of a heterogeneous mix of spatially distributed cell types.
In response to any (patho) physiological cue, responses of each cell type in any
given tissue may be unique and cannot be homogenized across cell-types and
spatial co-ordinates. For example, in response to myocardial infarction, on one
hand myocytes and fibroblasts of the heart tissue respond differently. On the
other hand, myocytes in the infarct core respond differently compared to those in
the peri-infarct zone. Therefore, isolation of pure targeted cells is an
important and essential step for the molecular analysis of cells involved in the
progression of disease. Laser capture microdissection (LCM) is powerful to obtain
a pure targeted cell subgroup, or even a single cell, quickly and precisely under
the microscope, successfully tackling the problem of tissue heterogeneity in
molecular analysis. This review presents an overview of LCM technology, the
principles, advantages and limitations and its down-stream applications in the
fields of proteomics, genomics and transcriptomics. With powerful technologies
and appropriate applications, this technique provides unprecedented insights into
cell biology from cells grown in their natural tissue habitat as opposed to those
cultured in artificial petri dish conditions.