Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents

Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family...
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Autor*in:	Nissen, Peter H. [verfasserIn] Nordwall, Maria [verfasserIn] Hoffmann-Lücke, Elke [verfasserIn] Sorensen, Boe S. [verfasserIn] Nexo, Ebba [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2010

Schlagwörter:	Homocysteine Premature Stop Codon Megaloblastic Anemia Methylmalonic Acid Amplify cDNA Fragment

Übergeordnetes Werk:	Enthalten in: Journal of inherited metabolic disease - Hoboken, NJ : Wiley, 1978, 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274
Übergeordnetes Werk:	volume:33 ; year:2010 ; number:Suppl 3 ; day:06 ; month:07 ; pages:269-274

Links:	Volltext

DOI / URN:	10.1007/s10545-010-9145-z

Katalog-ID:	SPR011379790

Internformat


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520			\|a Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2.
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912			\|a GBV_ILN_161
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912			\|a GBV_ILN_187
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_266
912			\|a GBV_ILN_285
912			\|a GBV_ILN_293
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912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
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912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2070
912			\|a GBV_ILN_2086
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2093
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2110
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912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2116
912			\|a GBV_ILN_2118
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912			\|a GBV_ILN_2122
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author_variant	p h n ph phn m n mn e h l ehl b s s bs bss e n en
matchkey_str	article:15732665:2010----::rncblmneiinyasdyopudeeoyoiyotooemttosnhtngnatdotofet
hierarchy_sort_str	2010
bklnumber	44.48 44.33
publishDate	2010
allfields	10.1007/s10545-010-9145-z doi (DE-627)SPR011379790 (SPR)s10545-010-9145-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.48 bkl 44.33 bkl Nissen, Peter H. verfasserin aut Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2. Homocysteine (dpeaa)DE-He213 Premature Stop Codon (dpeaa)DE-He213 Megaloblastic Anemia (dpeaa)DE-He213 Methylmalonic Acid (dpeaa)DE-He213 Amplify cDNA Fragment (dpeaa)DE-He213 Nordwall, Maria verfasserin aut Hoffmann-Lücke, Elke verfasserin aut Sorensen, Boe S. verfasserin aut Nexo, Ebba verfasserin aut Enthalten in Journal of inherited metabolic disease Hoboken, NJ : Wiley, 1978 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 (DE-627)320457753 (DE-600)2006875-X 1573-2665 nnns volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274 https://dx.doi.org/10.1007/s10545-010-9145-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.48 ASE 44.33 ASE AR 33 2010 Suppl 3 06 07 269-274
spelling	10.1007/s10545-010-9145-z doi (DE-627)SPR011379790 (SPR)s10545-010-9145-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.48 bkl 44.33 bkl Nissen, Peter H. verfasserin aut Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2. Homocysteine (dpeaa)DE-He213 Premature Stop Codon (dpeaa)DE-He213 Megaloblastic Anemia (dpeaa)DE-He213 Methylmalonic Acid (dpeaa)DE-He213 Amplify cDNA Fragment (dpeaa)DE-He213 Nordwall, Maria verfasserin aut Hoffmann-Lücke, Elke verfasserin aut Sorensen, Boe S. verfasserin aut Nexo, Ebba verfasserin aut Enthalten in Journal of inherited metabolic disease Hoboken, NJ : Wiley, 1978 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 (DE-627)320457753 (DE-600)2006875-X 1573-2665 nnns volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274 https://dx.doi.org/10.1007/s10545-010-9145-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.48 ASE 44.33 ASE AR 33 2010 Suppl 3 06 07 269-274
allfields_unstemmed	10.1007/s10545-010-9145-z doi (DE-627)SPR011379790 (SPR)s10545-010-9145-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.48 bkl 44.33 bkl Nissen, Peter H. verfasserin aut Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2. Homocysteine (dpeaa)DE-He213 Premature Stop Codon (dpeaa)DE-He213 Megaloblastic Anemia (dpeaa)DE-He213 Methylmalonic Acid (dpeaa)DE-He213 Amplify cDNA Fragment (dpeaa)DE-He213 Nordwall, Maria verfasserin aut Hoffmann-Lücke, Elke verfasserin aut Sorensen, Boe S. verfasserin aut Nexo, Ebba verfasserin aut Enthalten in Journal of inherited metabolic disease Hoboken, NJ : Wiley, 1978 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 (DE-627)320457753 (DE-600)2006875-X 1573-2665 nnns volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274 https://dx.doi.org/10.1007/s10545-010-9145-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.48 ASE 44.33 ASE AR 33 2010 Suppl 3 06 07 269-274
allfieldsGer	10.1007/s10545-010-9145-z doi (DE-627)SPR011379790 (SPR)s10545-010-9145-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.48 bkl 44.33 bkl Nissen, Peter H. verfasserin aut Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2. Homocysteine (dpeaa)DE-He213 Premature Stop Codon (dpeaa)DE-He213 Megaloblastic Anemia (dpeaa)DE-He213 Methylmalonic Acid (dpeaa)DE-He213 Amplify cDNA Fragment (dpeaa)DE-He213 Nordwall, Maria verfasserin aut Hoffmann-Lücke, Elke verfasserin aut Sorensen, Boe S. verfasserin aut Nexo, Ebba verfasserin aut Enthalten in Journal of inherited metabolic disease Hoboken, NJ : Wiley, 1978 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 (DE-627)320457753 (DE-600)2006875-X 1573-2665 nnns volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274 https://dx.doi.org/10.1007/s10545-010-9145-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.48 ASE 44.33 ASE AR 33 2010 Suppl 3 06 07 269-274
allfieldsSound	10.1007/s10545-010-9145-z doi (DE-627)SPR011379790 (SPR)s10545-010-9145-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.48 bkl 44.33 bkl Nissen, Peter H. verfasserin aut Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2. Homocysteine (dpeaa)DE-He213 Premature Stop Codon (dpeaa)DE-He213 Megaloblastic Anemia (dpeaa)DE-He213 Methylmalonic Acid (dpeaa)DE-He213 Amplify cDNA Fragment (dpeaa)DE-He213 Nordwall, Maria verfasserin aut Hoffmann-Lücke, Elke verfasserin aut Sorensen, Boe S. verfasserin aut Nexo, Ebba verfasserin aut Enthalten in Journal of inherited metabolic disease Hoboken, NJ : Wiley, 1978 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 (DE-627)320457753 (DE-600)2006875-X 1573-2665 nnns volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274 https://dx.doi.org/10.1007/s10545-010-9145-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.48 ASE 44.33 ASE AR 33 2010 Suppl 3 06 07 269-274
language	English
source	Enthalten in Journal of inherited metabolic disease 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274
sourceStr	Enthalten in Journal of inherited metabolic disease 33(2010), Suppl 3 vom: 06. Juli, Seite 269-274 volume:33 year:2010 number:Suppl 3 day:06 month:07 pages:269-274
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Homocysteine Premature Stop Codon Megaloblastic Anemia Methylmalonic Acid Amplify cDNA Fragment
dewey-raw	610
isfreeaccess_bool	false
container_title	Journal of inherited metabolic disease
authorswithroles_txt_mv	Nissen, Peter H. @@aut@@ Nordwall, Maria @@aut@@ Hoffmann-Lücke, Elke @@aut@@ Sorensen, Boe S. @@aut@@ Nexo, Ebba @@aut@@
publishDateDaySort_date	2010-07-06T00:00:00Z
hierarchy_top_id	320457753
dewey-sort	3610
id	SPR011379790
language_de	englisch
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author	Nissen, Peter H.
spellingShingle	Nissen, Peter H. ddc 610 bkl 44.48 bkl 44.33 misc Homocysteine misc Premature Stop Codon misc Megaloblastic Anemia misc Methylmalonic Acid misc Amplify cDNA Fragment Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents
authorStr	Nissen, Peter H.
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topic_title	610 ASE 44.48 bkl 44.33 bkl Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents Homocysteine (dpeaa)DE-He213 Premature Stop Codon (dpeaa)DE-He213 Megaloblastic Anemia (dpeaa)DE-He213 Methylmalonic Acid (dpeaa)DE-He213 Amplify cDNA Fragment (dpeaa)DE-He213
topic	ddc 610 bkl 44.48 bkl 44.33 misc Homocysteine misc Premature Stop Codon misc Megaloblastic Anemia misc Methylmalonic Acid misc Amplify cDNA Fragment
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title	Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents
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title_full	Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents
author_sort	Nissen, Peter H.
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author_browse	Nissen, Peter H. Nordwall, Maria Hoffmann-Lücke, Elke Sorensen, Boe S. Nexo, Ebba
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title_sort	transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the tcn2 gene: a study of two affected siblings, their brother, and their parents
title_auth	Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents
abstract	Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2.
abstractGer	Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2.
abstract_unstemmed	Abstract Transcobalamin (TC) deficiency (OMIM# 275350) is a rare, autosomal recessive disorder that presents in early infancy with a broad spectrum of symptoms, including failure to thrive, megaloblastic anemia, immunological deficiency, and neurological symptoms. Here we report a study of a family (parents and three children) with two children suffering from TC deficiency caused by two different mutations in the TCN2 gene. Initially, molecular genetic analysis of genomic DNA revealed a heterozygous mutation in the +1 position of exon 7 (c.1106+1 G > A) in the father and all three children. Bioinformatic analysis indicates that this mutation causes exon skipping, and further experiments supported this hypothesis and suggested that the mutant allele undergoes nonsense-mediated messenger RNA (mRNA) decay. We did not identify further mutations in genomic DNA that could explain TC deficiency in the two children. However, further efforts using complementary DNA (cDNA) derived from RNA from blood leukocytes identified a large deletion removing the entire exon 8, resulting in a frameshift and a premature stop codon (p.E371fsX372) in the mother and the two affected children. Our data indicate that if exon-by-exon DNA sequencing of genomic DNA does not uncover mutations corresponding to the phenotype, a systematic search for other mutations should be initiated by sequencing cDNA or using semiquantitative methods to detect large deletions in TCN2.
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container_issue	Suppl 3
title_short	Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents
url	https://dx.doi.org/10.1007/s10545-010-9145-z
remote_bool	true
author2	Nordwall, Maria Hoffmann-Lücke, Elke Sorensen, Boe S. Nexo, Ebba
author2Str	Nordwall, Maria Hoffmann-Lücke, Elke Sorensen, Boe S. Nexo, Ebba
ppnlink	320457753
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doi_str	10.1007/s10545-010-9145-z
up_date	2024-07-03T22:17:41.815Z
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Transcobalamin deficiency caused by compound heterozygosity for two novel mutations in the TCN2 gene: a study of two affected siblings, their brother, and their parents

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