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Old 03-15-2015, 09:36 PM
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Default NMR ((1)H and (13)C) based Signatures of Abnormal Choline Metabolism in Oral Squamous Cell Carcinoma with no Prominent Warburg Effect.

NMR ((1)H and (13)C) based Signatures of Abnormal Choline Metabolism in Oral Squamous Cell Carcinoma with no Prominent Warburg Effect.

NMR ((1)H and (13)C) based Signatures of Abnormal Choline Metabolism in Oral Squamous Cell Carcinoma with no Prominent Warburg Effect.

Biochem Biophys Res Commun. 2015 Mar 10;

Authors: Bag S, Banerjee DR, Basak A, Das AK, Pal M, Banerjee R, Paul RR, Chatterjee J

Abstract
At functional levels, besides genes and proteins, changes in metabolome profiles are instructive for a biological system in health and disease including malignancy. It is understood that metabolomic alterations in association with proteomic and transcriptomic aberrations are very fundamental to unravel malignant micro-ambient criticality and oral cancer is no exception. Hence deciphering intricate dimensions of oral cancer metabolism may be contributory both for integrated appreciation of its pathogenesis and to identify any critical but yet unexplored dimension of this malignancy with high mortality rate. Although several methods do exist, NMR provides higher analytical precision in identification of cancer metabolomic signature. Present study explored abnormal signatures in choline metabolism in oral squamous cell carcinoma (OSCC) using (1)H and (13)C NMR analysis of serum. It has demonstrated down-regulation of choline with concomitant up-regulation of its break-down product in the form of trimethylamine N-oxide in OSCC compared to normal counterpart. Further, no significant change in lactate profile in OSCC possibly indicated that well-known Warburg effect was not a prominent phenomenon in such malignancy. Amongst other important metabolites, malonate has shown up-regulation but D-glucose, saturated fatty acids, acetate and threonine did not show any significant change. Analyzing these metabolomic findings present study proposed trimethyl amine N-oxide and malonate as important metabolic signature for oral cancer with no prominent Warburg effect.


PMID: 25769954 [PubMed - as supplied by publisher]



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