Beispiel #1
0
        public List<Mutation> GetMutationList(string fileContentString)
        {
            List<Mutation> list = new List<Mutation>();
            try
            {
                string[] fileLines = fileContentString.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries);

                for (int i = 1; i < fileLines.Length; i++)
                {
                    string fileLine = fileLines[i];
                    string[] items = fileLine.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
                    Mutation m = new Mutation();
                    m.Gene = items[0];
                    m.Transscript = items[1];
                    m.AAMutation = items[2];
                    m.CDSMutation = new MutationPoint(items[3]);
                    m.Somaticstatus = items[4];
                    m.Zygosity = items[5];
                    m.Validated = items[6];
                    m.Type = items[7];
                    m.Position = items[8];
                    list.Add(m);
                }
                list = list.Where(x=> x.Type.ToUpper() =="SUBSTITUTION" ).ToList();
                list = list.Where(x => x.Transscript.Substring(0,4).ToUpper() == "ENST").ToList();
            }
            catch { }
            return list;
        }
Beispiel #2
0
        public Mutation GetMutationPattern(Mutation mutation, string geneSequence)
        {
            switch (mutation.Type.ToUpper())
            {
                case "SUBSTITUTION":
                    {
                        mutation.MC1Position  = mutation.CDSMutation.Position % 3;
                        if (mutation.MC1Position == 0) mutation.MC1Position = 3;
                        string window = GetWindow(geneSequence, mutation.CDSMutation.Position - 1, mutation.MC1Position);
                        mutation.PreviousCodon = window.Substring(0, 3);
                        mutation.MutatedCodon = window.Substring(3, 3);
                        mutation.NextCodon = window.Substring(6, 3);
                        int positionOfMutInWindow = 2 + mutation.MC1Position;
                        mutation.CDSMutation.WA_ = "0";
                        mutation.CDSMutation.WRC_ = "0";
                        mutation.CDSMutation._CG = "0";
                        mutation.CDSMutation._GYW = "0";
                        mutation.CDSMutation.CG_ = "0";
                        switch (mutation.CDSMutation.WT.ToUpper())
                        {
                            case "A":
                                {
                                    string site = window.Substring(positionOfMutInWindow - 1, 2);
                                    if (site == "AA" || site == "TA") mutation.CDSMutation.WA_ = "1";
                                    break;
                                }
                            case "G":
                                {
                                     string site = window.Substring(positionOfMutInWindow , 3);
                                     if (site == "GTA"
                                         || site == "GCA"
                                         || site == "GTT"
                                         || site == "GCT"
                                         )
                                         mutation.CDSMutation._GYW = "1";
                                     else
                                     {
                                         site = window.Substring(positionOfMutInWindow -1, 2);
                                         if (site == "CG") mutation.CDSMutation.CG_ = "1";
                                     }

                                    break;
                                }
                            case "C":
                                {
                                    string site = window.Substring(positionOfMutInWindow - 2, 3);
                                    if (site == "AAC"
                                        || site == "AGC"
                                        || site == "TAC"
                                        || site == "TGC"
                                        )
                                        mutation.CDSMutation.WRC_ = "1";
                                    else
                                    {
                                        site = window.Substring(positionOfMutInWindow , 2);
                                        if (site == "CG") mutation.CDSMutation._CG = "1";
                                    }
                                    break;
                                }
                        }
                        break;
                    }

            }
            return mutation;
        }