PubMed:19757027 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PubMed/sourceid/19757027","sourcedb":"PubMed","sourceid":"19757027","source_url":"http://www.ncbi.nlm.nih.gov/pubmed/19757027","text":"Eryptosis in hereditary spherocytosis and thalassemia: role of glycoconjugates.\nThe present work is aimed to study the mechanism of faster erythrocyte clearance in hereditary spherocytosis (HS), a heterogeneous disorders characterized by alterations in the proteins of the red cell membrane skeleton along with different kinds of thalassemia. The maximum exposure of phosphatidylserine (PS) is found in HS compared to those in both α- and β-thalassemia. Interestingly, in HS more PS exposed cells were found in younger erythrocytes compared to normal and the thalassemics where aged cells showed higher loss of PS asymmetry. Loss of sialic acid and GlcNAc bearing glycoconjugates, presumably the glycophorins, was also found upon aging. The loss of PS asymmetry together with the cell surface glycoproteins mediated by membrane vesiculation, seemed to play key role in early clearance of erythrocytes from circulation following a mechanism similar to HbEβ-thalassemia.","tracks":[{"project":"Allie","denotations":[{"id":"SS1_19757027_1_0","span":{"begin":164,"end":188},"obj":"expanded"},{"id":"SS2_19757027_1_0","span":{"begin":190,"end":192},"obj":"abbr"},{"id":"SS1_19757027_2_0","span":{"begin":367,"end":385},"obj":"expanded"},{"id":"SS2_19757027_2_0","span":{"begin":387,"end":389},"obj":"abbr"}],"relations":[{"id":"AE1_19757027_1_0","pred":"abbreviatedTo","subj":"SS1_19757027_1_0","obj":"SS2_19757027_1_0"},{"id":"AE1_19757027_2_0","pred":"abbreviatedTo","subj":"SS1_19757027_2_0","obj":"SS2_19757027_2_0"}],"attributes":[{"subj":"SS1_19757027_1_0","pred":"source","obj":"Allie"},{"subj":"SS2_19757027_1_0","pred":"source","obj":"Allie"},{"subj":"SS1_19757027_2_0","pred":"source","obj":"Allie"},{"subj":"SS2_19757027_2_0","pred":"source","obj":"Allie"}]},{"project":"sentences","denotations":[{"id":"TextSentencer_T1","span":{"begin":0,"end":79},"obj":"Sentence"},{"id":"TextSentencer_T2","span":{"begin":80,"end":342},"obj":"Sentence"},{"id":"TextSentencer_T3","span":{"begin":343,"end":453},"obj":"Sentence"},{"id":"TextSentencer_T4","span":{"begin":454,"end":624},"obj":"Sentence"},{"id":"TextSentencer_T5","span":{"begin":625,"end":736},"obj":"Sentence"},{"id":"TextSentencer_T6","span":{"begin":737,"end":968},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":79},"obj":"Sentence"},{"id":"T2","span":{"begin":80,"end":342},"obj":"Sentence"},{"id":"T3","span":{"begin":343,"end":453},"obj":"Sentence"},{"id":"T4","span":{"begin":454,"end":624},"obj":"Sentence"},{"id":"T5","span":{"begin":625,"end":736},"obj":"Sentence"},{"id":"T6","span":{"begin":737,"end":968},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"TextSentencer_T1","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T2","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T3","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T4","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T5","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T6","pred":"source","obj":"sentences"},{"subj":"T1","pred":"source","obj":"sentences"},{"subj":"T2","pred":"source","obj":"sentences"},{"subj":"T3","pred":"source","obj":"sentences"},{"subj":"T4","pred":"source","obj":"sentences"},{"subj":"T5","pred":"source","obj":"sentences"},{"subj":"T6","pred":"source","obj":"sentences"}]},{"project":"NGLY1-deficiency","denotations":[{"id":"PD-NGLY1-deficiency-B_T1","span":{"begin":649,"end":655},"obj":"chem:24139"}],"namespaces":[{"prefix":"hgnc","uri":"https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:"},{"prefix":"omim","uri":"https://www.omim.org/entry/"},{"prefix":"chem","uri":"https://pubchem.ncbi.nlm.nih.gov/compound/"}],"attributes":[{"subj":"PD-NGLY1-deficiency-B_T1","pred":"source","obj":"NGLY1-deficiency"}]},{"project":"mondo_disease","denotations":[{"id":"T1","span":{"begin":13,"end":37},"obj":"Disease"},{"id":"T2","span":{"begin":42,"end":53},"obj":"Disease"},{"id":"T3","span":{"begin":164,"end":188},"obj":"Disease"},{"id":"T4","span":{"begin":190,"end":192},"obj":"Disease"},{"id":"T5","span":{"begin":330,"end":341},"obj":"Disease"},{"id":"T6","span":{"begin":403,"end":405},"obj":"Disease"},{"id":"T7","span":{"begin":441,"end":452},"obj":"Disease"},{"id":"T8","span":{"begin":472,"end":474},"obj":"Disease"},{"id":"T9","span":{"begin":956,"end":967},"obj":"Disease"}],"attributes":[{"id":"A1","pred":"mondo_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/MONDO_0019350"},{"id":"A2","pred":"mondo_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/MONDO_0000984"},{"id":"A3","pred":"mondo_id","subj":"T3","obj":"http://purl.obolibrary.org/obo/MONDO_0019350"},{"id":"A4","pred":"mondo_id","subj":"T4","obj":"http://purl.obolibrary.org/obo/MONDO_0019350"},{"id":"A5","pred":"mondo_id","subj":"T5","obj":"http://purl.obolibrary.org/obo/MONDO_0000984"},{"id":"A6","pred":"mondo_id","subj":"T6","obj":"http://purl.obolibrary.org/obo/MONDO_0019350"},{"id":"A7","pred":"mondo_id","subj":"T7","obj":"http://purl.obolibrary.org/obo/MONDO_0000984"},{"id":"A8","pred":"mondo_id","subj":"T8","obj":"http://purl.obolibrary.org/obo/MONDO_0019350"},{"id":"A9","pred":"mondo_id","subj":"T9","obj":"http://purl.obolibrary.org/obo/MONDO_0000984"},{"subj":"T1","pred":"source","obj":"mondo_disease"},{"subj":"T2","pred":"source","obj":"mondo_disease"},{"subj":"T3","pred":"source","obj":"mondo_disease"},{"subj":"T4","pred":"source","obj":"mondo_disease"},{"subj":"T5","pred":"source","obj":"mondo_disease"},{"subj":"T6","pred":"source","obj":"mondo_disease"},{"subj":"T7","pred":"source","obj":"mondo_disease"},{"subj":"T8","pred":"source","obj":"mondo_disease"},{"subj":"T9","pred":"source","obj":"mondo_disease"}]},{"project":"GlyCosmos6-Glycan-Motif-Structure","denotations":[{"id":"T1","span":{"begin":633,"end":644},"obj":"https://glytoucan.org/Structures/Glycans/G81533KY"}],"attributes":[{"subj":"T1","pred":"source","obj":"GlyCosmos6-Gl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