Bone marrow mononuclear cells from patients with Paget's disease contain measles virus nucleocapsid messenger ribonucleic acid that has mutations in a specific region of the sequence

Sakamuri V. Reddy, Frederick R. Singer, G. David Roodman

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98 Citations (Scopus)

Abstract

Ultrastructural, immunocytochemical, and in situ hybridization studies have suggested that paramyxoviruses, such as measles virus (MV), are present in Pagetic osteoclasts and may contribute to the abnormality in osteoclast function. However, little additional information is known about potential viruses present in Pagetic osteoclasts. As there are increased numbers of osteoclast precursors among the marrow mononuclear cells of Paget's patients, we used the reverse transcriptase-polymerase chain reaction to amplify the nucleocapsid sequence of MV from freshly isolated hone marrow-derived mononuclear cells to examine the potential role of these viruses in cells in the osteoclast lineage. We detected MV nucleocapsid transcripts in 5 of 6 individual Paget's patients' marrow samples. MV transcripts were not detected in marrow samples from 10 normal subjects. Sequence analysis of the PCR products revealed that 1 patient had the same sequence as the Edmonston strain of MV. The remaining 4 patients had point mutations clustered between position 1360-1371 base pairs. Two of the patients exhibited identical mutations at this region. In total, 3 different point mutations were identified that resulted in amino acid substitutions. These data show that 1) unlike those from normal subjects, marrow mononuclear cells from Paget's patients express MV nucleocapsid messenger ribonucleic acid; and 2) mutations of a specific region of the MV nucleocapsid gene were present in 4 of 5 patients and suggest a persistent MV infection in Pagetic osteoclast precursors. These data further suggest that osteoclasts are infected by fusion with infected precursors.

Original languageEnglish (US)
Pages (from-to)2108-2111
Number of pages4
JournalJournal of Clinical Endocrinology and Metabolism
Volume80
Issue number7
DOIs
StatePublished - Jul 1995
Externally publishedYes

Fingerprint

Nucleocapsid
Measles virus
Viruses
Bone Marrow Cells
Osteoclasts
Bone
RNA
Mutation
Bone Marrow
Point Mutation
Virus Diseases
Amino Acid Substitution
Reverse Transcriptase Polymerase Chain Reaction
Base Pairing
Polymerase chain reaction
RNA-Directed DNA Polymerase
In Situ Hybridization
Sequence Analysis
Substitution reactions
Fusion reactions

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology, Diabetes and Metabolism

Cite this

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title = "Bone marrow mononuclear cells from patients with Paget's disease contain measles virus nucleocapsid messenger ribonucleic acid that has mutations in a specific region of the sequence",
abstract = "Ultrastructural, immunocytochemical, and in situ hybridization studies have suggested that paramyxoviruses, such as measles virus (MV), are present in Pagetic osteoclasts and may contribute to the abnormality in osteoclast function. However, little additional information is known about potential viruses present in Pagetic osteoclasts. As there are increased numbers of osteoclast precursors among the marrow mononuclear cells of Paget's patients, we used the reverse transcriptase-polymerase chain reaction to amplify the nucleocapsid sequence of MV from freshly isolated hone marrow-derived mononuclear cells to examine the potential role of these viruses in cells in the osteoclast lineage. We detected MV nucleocapsid transcripts in 5 of 6 individual Paget's patients' marrow samples. MV transcripts were not detected in marrow samples from 10 normal subjects. Sequence analysis of the PCR products revealed that 1 patient had the same sequence as the Edmonston strain of MV. The remaining 4 patients had point mutations clustered between position 1360-1371 base pairs. Two of the patients exhibited identical mutations at this region. In total, 3 different point mutations were identified that resulted in amino acid substitutions. These data show that 1) unlike those from normal subjects, marrow mononuclear cells from Paget's patients express MV nucleocapsid messenger ribonucleic acid; and 2) mutations of a specific region of the MV nucleocapsid gene were present in 4 of 5 patients and suggest a persistent MV infection in Pagetic osteoclast precursors. These data further suggest that osteoclasts are infected by fusion with infected precursors.",
author = "Reddy, {Sakamuri V.} and Singer, {Frederick R.} and Roodman, {G. David}",
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T1 - Bone marrow mononuclear cells from patients with Paget's disease contain measles virus nucleocapsid messenger ribonucleic acid that has mutations in a specific region of the sequence

AU - Reddy, Sakamuri V.

AU - Singer, Frederick R.

AU - Roodman, G. David

PY - 1995/7

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N2 - Ultrastructural, immunocytochemical, and in situ hybridization studies have suggested that paramyxoviruses, such as measles virus (MV), are present in Pagetic osteoclasts and may contribute to the abnormality in osteoclast function. However, little additional information is known about potential viruses present in Pagetic osteoclasts. As there are increased numbers of osteoclast precursors among the marrow mononuclear cells of Paget's patients, we used the reverse transcriptase-polymerase chain reaction to amplify the nucleocapsid sequence of MV from freshly isolated hone marrow-derived mononuclear cells to examine the potential role of these viruses in cells in the osteoclast lineage. We detected MV nucleocapsid transcripts in 5 of 6 individual Paget's patients' marrow samples. MV transcripts were not detected in marrow samples from 10 normal subjects. Sequence analysis of the PCR products revealed that 1 patient had the same sequence as the Edmonston strain of MV. The remaining 4 patients had point mutations clustered between position 1360-1371 base pairs. Two of the patients exhibited identical mutations at this region. In total, 3 different point mutations were identified that resulted in amino acid substitutions. These data show that 1) unlike those from normal subjects, marrow mononuclear cells from Paget's patients express MV nucleocapsid messenger ribonucleic acid; and 2) mutations of a specific region of the MV nucleocapsid gene were present in 4 of 5 patients and suggest a persistent MV infection in Pagetic osteoclast precursors. These data further suggest that osteoclasts are infected by fusion with infected precursors.

AB - Ultrastructural, immunocytochemical, and in situ hybridization studies have suggested that paramyxoviruses, such as measles virus (MV), are present in Pagetic osteoclasts and may contribute to the abnormality in osteoclast function. However, little additional information is known about potential viruses present in Pagetic osteoclasts. As there are increased numbers of osteoclast precursors among the marrow mononuclear cells of Paget's patients, we used the reverse transcriptase-polymerase chain reaction to amplify the nucleocapsid sequence of MV from freshly isolated hone marrow-derived mononuclear cells to examine the potential role of these viruses in cells in the osteoclast lineage. We detected MV nucleocapsid transcripts in 5 of 6 individual Paget's patients' marrow samples. MV transcripts were not detected in marrow samples from 10 normal subjects. Sequence analysis of the PCR products revealed that 1 patient had the same sequence as the Edmonston strain of MV. The remaining 4 patients had point mutations clustered between position 1360-1371 base pairs. Two of the patients exhibited identical mutations at this region. In total, 3 different point mutations were identified that resulted in amino acid substitutions. These data show that 1) unlike those from normal subjects, marrow mononuclear cells from Paget's patients express MV nucleocapsid messenger ribonucleic acid; and 2) mutations of a specific region of the MV nucleocapsid gene were present in 4 of 5 patients and suggest a persistent MV infection in Pagetic osteoclast precursors. These data further suggest that osteoclasts are infected by fusion with infected precursors.

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