Two novel polymorphisms in the human transforming growth factor beta 2 gene. 2001

A Alansari, and A H Hajeer, and A Bayat, and S Eyre, and D Carthy, and W E Ollier
ARC Epidemiology Unit, Manchester University Medical School, Oxford Road, Manchester M13 9PT, UK.

We have identified two novel polymorphisms in the transforming growth factor beta 2 (TGFbeta2) gene; an insertion in the 5'-untranslated region (5'UTR) and a single nucleotide polymorphism (SNP) in exon 1. A 895-bp fragment was analysed covering part of the 5'UTR and exon 1. Single-strand conformation polymorphism (SSCP) analysis of polymerase chain reaction (PCR) products was performed to detect sequence variations. This was followed by the sequencing of samples demonstrating distinct banding patterns. A 4-bp insertion (ACAA) in the 5'UTR and a SNP (G > A) within exon 1 was identified. The 5'UTR polymorphism was found to be common in three Caucasian populations from Spain, Turkey and the UK. Exon 1 polymorphism is rare and results in an R to H amino acid substitution in codon 91. Both polymorphisms may prove useful for investigating possible associations of TGFbeta2 with disease.

UI MeSH Term Description Entries
D011110 Polymorphism, Genetic The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level. Gene Polymorphism,Genetic Polymorphism,Polymorphism (Genetics),Genetic Polymorphisms,Gene Polymorphisms,Polymorphism, Gene,Polymorphisms (Genetics),Polymorphisms, Gene,Polymorphisms, Genetic
D006113 United Kingdom Country in northwestern Europe including Great Britain and the northern one-sixth of the island of Ireland, located between the North Sea and north Atlantic Ocean. The capital is London. Great Britain,Isle of Man
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013030 Spain Country located between France on the northeast and Portugal on the west and bordered by the Atlantic Ocean and the Mediterranean Sea. The capital is Madrid. Balearic Islands,Canary Islands
D014421 Turkey Country in Southeastern Europe and Southwestern Asia bordering the Black Sea, between Bulgaria and Georgia, and bordering the Aegean Sea and the Mediterranean Sea, between Greece and Syria. The capital is Ankara. Turkiye
D016212 Transforming Growth Factor beta A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducing phenotypic transformation and can also act as a negative autocrine growth factor. TGF-beta has a potential role in embryonal development, cellular differentiation, hormone secretion, and immune function. TGF-beta is found mostly as homodimer forms of separate gene products TGF-beta1, TGF-beta2 or TGF-beta3. Heterodimers composed of TGF-beta1 and 2 (TGF-beta1.2) or of TGF-beta2 and 3 (TGF-beta2.3) have been isolated. The TGF-beta proteins are synthesized as precursor proteins. Bone-Derived Transforming Growth Factor,Platelet Transforming Growth Factor,TGF-beta,Milk Growth Factor,TGFbeta,Bone Derived Transforming Growth Factor,Factor, Milk Growth,Growth Factor, Milk
D044465 White People Persons having origins in any of the white racial groups of Europe, the Middle East, or North Africa. Note that OMB category WHITE is available for the United States population groups. Race and ethnicity terms, as used in the federal government, are self-identified social construct and may include terms outdated and offensive in MeSH to assist users who are interested in retrieving comprehensive search results for studies such as in longitudinal studies. European Continental Ancestry Group,White Person,Caucasian Race,Caucasoid Race,Caucasian Races,Caucasoid Races,People, White,Person, White,Race, Caucasian,Race, Caucasoid,White Peoples,White Persons
D053781 Transforming Growth Factor beta2 A TGF-beta subtype that was originally identified as a GLIOBLASTOMA-derived factor which inhibits the antigen-dependent growth of both helper and CYTOTOXIC T LYMPHOCYTES. It is synthesized as a precursor molecule that is cleaved to form mature TGF-beta2 and TGF-beta2 latency-associated peptide. The association of the cleavage products results in the formation a latent protein which must be activated to bind its receptor. TGF-beta2,BSC-1 Cell Growth Inhibitor,Cartilage-Inducing Factor-B,Glioblastoma-Derived T-Cell Suppressor Factor,Polyergin,Suppressor Factor, T-Cell, Glioblastoma-Derived,TGF-beta-2,TGF-beta2 Latency-Associated Protein,TGF-beta2LAP,Transforming Growth Factor beta 2 Latency Associated Peptide,BSC 1 Cell Growth Inhibitor,Cartilage Inducing Factor B,Glioblastoma Derived T Cell Suppressor Factor,Latency-Associated Protein, TGF-beta2,TGF beta2 Latency Associated Protein,TGF beta2LAP
D020121 5' Untranslated Regions The sequence at the 5' end of the messenger RNA that does not code for product. This sequence contains the ribosome binding site and other transcription and translation regulating sequences. 5'UTR,Leader Sequences, mRNA,Leader mRNA Sequences,mRNA Leader Sequences,5' UTR,5' UTRs,5' Untranslated Region,5'UTRs,Leader Sequence, mRNA,Leader mRNA Sequence,Region, 5' Untranslated,Regions, 5' Untranslated,Sequence, Leader mRNA,Sequence, mRNA Leader,Sequences, Leader mRNA,Sequences, mRNA Leader,UTR, 5',UTRs, 5',Untranslated Region, 5',Untranslated Regions, 5',mRNA Leader Sequence,mRNA Sequence, Leader,mRNA Sequences, Leader

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