| Id |
Subject |
Object |
Predicate |
Lexical cue |
| TextSentencer_T1 |
0-98 |
Sentence |
denotes |
Two new arylsulfatase A (ARSA) mutations in a juvenile metachromatic leukodystrophy (MLD) patient. |
| T1 |
0-98 |
Sentence |
denotes |
Two new arylsulfatase A (ARSA) mutations in a juvenile metachromatic leukodystrophy (MLD) patient. |
| TextSentencer_T2 |
99-274 |
Sentence |
denotes |
Fragments of the arylsulfatase A (ARSA) gene from a patient with juvenile-onset metachromatic leukodystrophy (MLD) were amplified by PCR and ligated into MP13 cloning vectors. |
| T2 |
99-274 |
Sentence |
denotes |
Fragments of the arylsulfatase A (ARSA) gene from a patient with juvenile-onset metachromatic leukodystrophy (MLD) were amplified by PCR and ligated into MP13 cloning vectors. |
| TextSentencer_T3 |
275-419 |
Sentence |
denotes |
Clones hybridizing with cDNA for human ARSA were selected, examined for appropriate size inserts, and used to prepare single-stranded phage DNA. |
| T3 |
275-419 |
Sentence |
denotes |
Clones hybridizing with cDNA for human ARSA were selected, examined for appropriate size inserts, and used to prepare single-stranded phage DNA. |
| TextSentencer_T4 |
420-535 |
Sentence |
denotes |
Examination of the entire coding and most of the intronic sequence revealed two putative disease-related mutations. |
| T4 |
420-535 |
Sentence |
denotes |
Examination of the entire coding and most of the intronic sequence revealed two putative disease-related mutations. |
| TextSentencer_T5 |
536-622 |
Sentence |
denotes |
One, a point mutation in exon 3, resulted in the substitution of isoleucine by serine. |
| T5 |
536-622 |
Sentence |
denotes |
One, a point mutation in exon 3, resulted in the substitution of isoleucine by serine. |
| TextSentencer_T6 |
623-804 |
Sentence |
denotes |
Introduction of this alteration into the normal ARSA cDNA sequence resulted in a substantial decrease in ARSA activity on transient expression in cultured baby hamster kidney cells. |
| T6 |
623-804 |
Sentence |
denotes |
Introduction of this alteration into the normal ARSA cDNA sequence resulted in a substantial decrease in ARSA activity on transient expression in cultured baby hamster kidney cells. |
| TextSentencer_T7 |
805-911 |
Sentence |
denotes |
About 5% of the control expression was observed, suggesting a small residual activity in the mutated ARSA. |
| T7 |
805-911 |
Sentence |
denotes |
About 5% of the control expression was observed, suggesting a small residual activity in the mutated ARSA. |
| TextSentencer_T8 |
912-1078 |
Sentence |
denotes |
The second mutation, a G-to-A transition, occurred in the other allele and resulted in an altered splice-recognition sequence between exon 7 and the following intron. |
| T8 |
912-1078 |
Sentence |
denotes |
The second mutation, a G-to-A transition, occurred in the other allele and resulted in an altered splice-recognition sequence between exon 7 and the following intron. |
| TextSentencer_T9 |
1079-1140 |
Sentence |
denotes |
The mutation also resulted in the loss of a restriction site. |
| T9 |
1079-1140 |
Sentence |
denotes |
The mutation also resulted in the loss of a restriction site. |
| TextSentencer_T10 |
1141-1280 |
Sentence |
denotes |
Apparently normal levels of mRNA were generated from this allele, but no ARSA activity or immuno-cross-reactive material could be detected. |
| T10 |
1141-1280 |
Sentence |
denotes |
Apparently normal levels of mRNA were generated from this allele, but no ARSA activity or immuno-cross-reactive material could be detected. |
| TextSentencer_T11 |
1281-1427 |
Sentence |
denotes |
A collection of DNA samples from known or suspected MLD patients, members of their families, and normal controls was screened for these mutations. |
| T11 |
1281-1427 |
Sentence |
denotes |
A collection of DNA samples from known or suspected MLD patients, members of their families, and normal controls was screened for these mutations. |
| TextSentencer_T12 |
1428-1546 |
Sentence |
denotes |
Four additional individuals carrying each of the mutations were found among the nearly 100 MLD patients in the sample. |
| T12 |
1428-1546 |
Sentence |
denotes |
Four additional individuals carrying each of the mutations were found among the nearly 100 MLD patients in the sample. |
| TextSentencer_T13 |
1547-1657 |
Sentence |
denotes |
Gene segregation in the original patient's family was consistent with available clinical and biochemical data. |
| T13 |
1547-1657 |
Sentence |
denotes |
Gene segregation in the original patient's family was consistent with available clinical and biochemical data. |
| TextSentencer_T14 |
1658-1734 |
Sentence |
denotes |
No individuals homozygous for either of these two mutations were identified. |
| T14 |
1658-1734 |
Sentence |
denotes |
No individuals homozygous for either of these two mutations were identified. |
| TextSentencer_T15 |
1735-1924 |
Sentence |
denotes |
However, combinations with other MLD mutations suggest that the point mutation in exon 3 does result in some residual enzyme activity and is associated with late-onset forms of the disease. |
| T15 |
1735-1924 |
Sentence |
denotes |
However, combinations with other MLD mutations suggest that the point mutation in exon 3 does result in some residual enzyme activity and is associated with late-onset forms of the disease. |
| TextSentencer_T16 |
1925-2095 |
Sentence |
denotes |
The splice-site mutation following exon 7 produces late-infantile MLD when combined with other enzyme-null mutations, implying that it is completely silent enzymatically. |
| T16 |
1925-2095 |
Sentence |
denotes |
The splice-site mutation following exon 7 produces late-infantile MLD when combined with other enzyme-null mutations, implying that it is completely silent enzymatically. |