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Volumn 277, Issue 5333, 1997, Pages 1802-1805

Association of mutations in a lysosomal protein with classical late- infantile neuronal ceroid lipofuscinosis

Author keywords

[No Author keywords available]

Indexed keywords

AFFINITY CHROMATOGRAPHY; ARTICLE; AUTOPSY; ENZYME ACTIVITY; GENE MUTATION; GENETIC CODE; LYSOSOME STORAGE DISEASE; MOTOR PERFORMANCE; NERVE DEGENERATION; NEURONAL CEROID LIPOFUSCINOSIS; PRIORITY JOURNAL; PROTEIN PROTEIN INTERACTION;

EID: 0030866233     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.277.5333.1802     Document Type: Article
Times cited : (516)

References (25)
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    • note
    • Human EST cDNA clones zo55e03, EST37588, and zo35g10 were sequenced in their entirety. Clones zs52e09 and zr50co6 were partially sequenced and appear to contain cloning artifacts.
  • 13
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    • note
    • The 5′ end of the human cDNA was obtained by two rounds of PCR amplification of the CLN2 candidate from a human cortex cDNA library (Stratagene) by means of two different gene-specific primers and a single vector-specific primer. In the first round of PCR the T3 promoter primer was used with either gene-specific primer NR1 (5′-GTGATCACAGAATGGCACTT) or NR2 (5′-AACATGGGTTTCCGTAGGTC). In the second round of PCR, with the products from the first amplification, the T3 promoter primer and NR4 (5′-CTTCCTCAGGGTCCGCACGG) were used.
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    • GenBank accession number AF017456
    • GenBank accession number AF017456.
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    • -31) to nt 2817 to 3264 of the CLN2 candidate cDNA. The cosmid clone maps to chromosome 11p15. Taken together, these results indicate that the CLN2 candidate is localized to chromosome 11p15.
    • (1995) Genomics , vol.29 , pp. 269
    • Scheer, E.1    Mattei, M.G.2    Jacq, X.3    Chambon, P.4    Tora, L.5
  • 16
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    • unpublished data
    • D. E. Sleat et al., unpublished data.
    • Sleat, D.E.1
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    • note
    • CLN2 was analyzed in patient DNA extracted from cell lines by means of overlapping M13 forward- and reverse-tailed primer pairs. Each pair amplified an exon and flanking intronic sequences, and the resulting products were sequenced with dye-labeled -21M13 primer. For patients, the sequence of fragments that mismatched with the consensus sequence was then confirmed by sequencing with the M13 reverse primer. Each fragment containing a mutation in both patients and relatives was then independently reamplified and sequenced on both strands to confirm that the observed heterogeneities were not artifacts of PCR amplification. Primer pairs that detected mutations in patient DNA were SF3 (5′-TGTAAAACGACGGCCAGTCAGACCTTCCAGTAGGGACC)/SR3 (5′-CAGGAAACAGCTATGACCCTGTATCCCACACAAGAGAT) and SF0A (5′-TGTAAAACGACGGCCAGTTAGATGCCATTGGGGACTGG)/SR0A (5′-CAGGAAACAGCTATGACCGTCATGGAAATACTGCTCCA). PCR from 1-μg samples of patient DNA with Vent DNA polymerase (New England Biolabs, Beverly, MA) was done under the following cycle conditions: 94°C for 3 min followed by 10 cycles of 94°C for 1 min, 50°C for 1 min, and 72°C for 1 min, followed by 30 cycles of 94°C for 1 min, 65°C for 1 min, and 72°C for 1 min, with a final incubation for 10 min at 72°C. Products were purified by means of Qiaquick spin columns (Quiagen, Chatsworth, CA) and cycle-sequenced with AmpliTaq DNA polymerase (Roche Molecular Systems, Alameda, CA) and ABI Prism dye-labeled primers (Perkin Elmer, Foster City, CA) on an ABI 373 automated sequencer.
  • 18
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    • note
    • -11; the Dayhoff comparison score is > 8 SDs above the mean (ALIGN program, relative to 200 comparisons of scrambled sequences); and pairwise comparison with GCG Bestfit yields identity and similarity scores of 25 and 46%, respectively. PsCP is related (52% identical, 66% similar) to XaCP. XaCP is not detected in a BLAST search with the CLN2 candidate, but in pairwise comparisons the Dayhoff comparison score is >2.7 SDs above the mean, and the identity and similarity scores are 24 and 48%, respectively.
  • 20
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  • 25
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    • note
    • We thank P. S. Pullarkat for technical assistance and A. B. Rabson and S. A. Moodie for providing cDNA libraries. Supported by NIH grant DK45992 and a gift from Pfizer (P.L.) and by NIH grant NS30147 (R.K.P.).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.