Disease A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [0-9]
Gene A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Colorectal cancer

OMIM:114500
Mode of inheritance:Autosomal dominant
Disease classification:Neoplasms


Mutations

Gene SymbolBRAF
Reference transcriptNM_004333.4
DNA Changec.1799T>A
A.A. Changep.Val600Glu
Exon/Intronexon 15
Mutation Typesubstitution
ReferenceMarchoudi N, Amrani Hassani Joutei H, Jouali F, Fekkak J, Rhaissi H.Distribution of KRAS and BRAF mutations in Moroccan patients with advanced colorectal cancer.
Pathol Biol (Paris). 2013 Dec;61(6):273-6.


Polymorphisms

Gene symbolMTHFR
Reference transcriptNM_005957.4
DNA Changec.665C>T (C677T)
A.A. Changep.Ala222Val
Exon/Intronexon 4
Variation Typesubstitution
Reference SNPrs1801133
Cases36 colorectal adenocarcinoma patients
Controls36 healthy controls
Frequency
Allele/GenotypeFrequency in casesFrequency in controlsOR (95%CI)P-value
C42 (58.3)58 (80.6)1
T30 (41.7)14 (19.4)2.96 (1.4-6.25)0.0045
CC10 (27.8%) 25 (69.4%)1
CT22 (61.1%)8 (22.2%)6.88 (2.30-20.49) 0.0005
TT4 (11.1%)3 (8.3%)3.33 (0.63-17.65)0.16
CommentsThere was a significant association between MTHFR-C677T polymorphism and colorectal cancer.
ReferenceB. Diakite, A. Benmoussa, K. Hamzi, H. Jouhadi, S. Nadifi Colorectal cancer and polymorphism of methylenetetrahydrofolate reductase (C677T) in Morocco
African Journal of Cancer July 2012