示例#1
0
        public List <SampleRecord> GetSampleData()
        {
            List <SampleRecord> records = new List <SampleRecord>();

            using (StreamReader sr = new StreamReader(truthFile))
            {
                while (true)
                {
                    string line = sr.ReadLine();

                    if (string.IsNullOrEmpty(line))
                    {
                        break;
                    }

                    string[] splat = line.Split('\t');
                    if (splat[0] == "SUBJID")
                    {
                        continue;
                    }


                    SampleRecord newRec = new SampleRecord();
                    newRec.SubjectId         = splat[0].Trim();
                    newRec.SangerResult      = splat[1].Trim();
                    newRec.TherascreenResult = splat[2].Trim();

                    newRec.Valid = (splat[3] == "VALID");

                    records.Add(newRec);
                }

                return(records);
            }
        }
示例#2
0
        public SampleTruth ApplyRule(SampleRecord sampleTruthRecord)
        {
            SampleTruth sampleTruthInfor = new SampleTruth(sampleTruthRecord.SubjectId);

            InitiateSampleTruth(sampleTruthInfor);

            //check the therascreen result
            //if (sampleTruthRecord.TherascreenResult.ToUpper().Equals("INVALID"))
            // Console.WriteLine($"sample thereascreen result is {sampleTruthRecord.TherascreenResult}\t in {sampleTruthRecord.SubjectId}");
            if (sampleTruthRecord.TherascreenResult.ToUpper().Equals("WT"))
            {
                setTherascreenResultWT(sampleTruthInfor);
            }
            else
            {
                //since therascreen contain name like 12ASP and 12ASP dectected
                string[] theraNameItems    = sampleTruthRecord.TherascreenResult.Split();
                string   mutationTheraName = "KRAS_" + theraNameItems[0];
                if (AminoAcidToBaseChangeForTherascreenDictionary.ContainsKey(mutationTheraName))
                {
                    setSangerResultIgnored(sampleTruthInfor);
                    setPartMutationStatus(sampleTruthInfor, "K2", "PASS");
                    List <string> mutationNames = AminoAcidToBaseChangeForTherascreenDictionary[mutationTheraName];
                    foreach (var mutationName in mutationNames)
                    {
                        SetValueForDetectedTruthMutation(sampleTruthInfor, mutationName, mutationTheraName);
                    }
                }
                else if (!sampleTruthRecord.TherascreenResult.ToUpper().Equals("INVALID"))
                {
                    throw new Exception("unrecogonized therascreen result: {sampleTruthRecord.TherascreenResult}");
                }
            }


            //check the sanger result
            // Console.WriteLine($"sample sanger result is {sampleTruthRecord.SangerResult}\t in {sampleTruthRecord.SubjectId}");
            string[] sangerResultItems = sampleTruthRecord.SangerResult.Split(',');
            if (sangerResultItems.Length == 2)
            {
                if (sangerResultItems[0].Trim().StartsWith("WT") && sangerResultItems[1].Trim().StartsWith("FAIL"))
                {
                    setSangerResultWT(sampleTruthInfor);
                    string failParts = sangerResultItems[1].Trim().Substring(4);
                    if (failParts.Length < 2)
                    {
                        throw new Exception($"unrecogonized therascreen result: {sampleTruthRecord.SangerResult}");
                    }
                    char GeneParts = failParts[0];
                    failParts = failParts.Remove(0, 1);
                    while (failParts.Length > 0)
                    {
                        char currentChar = failParts[0];
                        if (currentChar >= '0' && currentChar <= '9')
                        {
                            char[] failChars = new char[2];
                            failChars[0] = GeneParts;
                            failChars[1] = currentChar;
                            string failPart = new string(failChars);
                            setPartMutationStatus(sampleTruthInfor, failPart.ToUpper(), "FAIL");
                        }
                        else if ((currentChar >= 'A' && currentChar <= 'Z') || (currentChar >= 'a' && currentChar <= 'z'))
                        {
                            GeneParts = currentChar;
                        }
                        failParts = failParts.Remove(0, 1);
                    }
                }
                else
                {
                    throw new Exception($"unrecogonized therascreen result: {sampleTruthRecord.SangerResult}");
                }
            }
            else if (sangerResultItems.Length == 1)
            {
                //ignore NA case, since already processed when dealing with therascreen result
                if (sampleTruthRecord.SangerResult.ToUpper().Equals("NA"))
                {
                    //continue
                }
                else if (sampleTruthRecord.SangerResult.ToUpper().Equals("WT"))
                {
                    setSangerResultWT(sampleTruthInfor);
                }
                else if (sampleTruthRecord.SangerResult.ToUpper().Equals("FAIL"))
                {
                    //need this case, in case of therascreen detected mutation but Sanger was performed and failed (unlikely)
                    setSangerResultFail(sampleTruthInfor);
                }
                else
                {
                    //detected a mutation or other unrecognized result
                    if (AminoAcidToBaseChangeForSangerDictionary.ContainsKey(sampleTruthRecord.SangerResult))
                    {
                        setSangerResultWT(sampleTruthInfor);
                        List <string> mutationNames = AminoAcidToBaseChangeForSangerDictionary[sampleTruthRecord.SangerResult];
                        foreach (var mutationName in mutationNames)
                        {
                            SetValueForDetectedTruthMutation(sampleTruthInfor, mutationName, sampleTruthRecord.SangerResult);
                        }
                    }
                    else
                    {
                        throw new Exception($"unrecogonized sanger result: {sampleTruthRecord.SangerResult}");
                    }
                }
            }
            else
            {
                throw new Exception($"unrecogonized sanger result: {sampleTruthRecord.SangerResult}");
            }



            return(sampleTruthInfor);
        }