Proteomics

Dataset Information

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Ultrasonic-based OCT-removal from solid tumor biopsies.


ABSTRACT: A new method for proteomic studies of OCT-embedded samples based on ultrasound energy is proposed. The cleaning of OCT from mouse kidney embedded tissues were evaluated through the aid of ultrasound energy, with two different frequencies. Simultaneously, vortex agitation was used as control. The optimized method obtained was then applied in human tumor kidney biopsies including chromophobe renal cell carcinomas (chRCC) and renal oncocytomas (RO).

INSTRUMENT(S): impact HD

ORGANISM(S): Homo Sapiens (human) Mus Musculus (mouse)

TISSUE(S): Kidney

DISEASE(S): Chromophobe Renal Cell Carcinoma,Renal Oncocytoma

SUBMITTER: Hugo M. Santos  

LAB HEAD: Hugo M. Santos

PROVIDER: PXD013164 | Pride | 2019-06-13

REPOSITORIES: Pride

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Publications

Development of a Robust Ultrasonic-Based Sample Treatment To Unravel the Proteome of OCT-Embedded Solid Tumor Biopsies.

Jorge Susana S   Capelo José L JL   LaFramboise William W   Dhir Rajiv R   Lodeiro Carlos C   Santos Hugo M HM  

Journal of proteome research 20190619 7


An effective three-step proteomics workflow is proposed to overcome the pitfalls caused by polymers present in optimum cutting temperature (OCT)-embedded tissue during its preparation for mass spectrometry analysis. First, the OCT-embedded tissue biopsies are cleaned using ethanol and water in a sequential series of ultrasonic washes in an ultrasound bath (35 kHz ultrasonic frequency, 100% ultrasonic amplitude, 2 min of ultrasonic duty time). Second, a fast ultrasonic-assisted extraction of prot  ...[more]

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