EXPRESSION OF POLY(ADP-RIBOSE) POLYMERASE IN BONE REGENERATION

被引：0

作者：

Lo Muzio, L. ^{[1
]}

Pannone, G. ^{[1
]}

Santarelli, A. ^{[2
,3
]}

Lo Russo, L. ^{[1
]}

De Lillo, A. ^{[1
]}

Rubini, C. ^{[4
]}

Bambini, F. ^{[2
,3
]}

Bufo, P. ^{[1
]}

Dioguardi, M. ^{[1
]}

Procaccini, M. ^{[2
,3
]}

机构：

[1] Foggia Univ, Dept Dept Clin & Expt Med, Foggia, Italy

[2] Marche Polytech Univ, Dept Clin Specialist & Stomatol Sci, Ancona, Italy

[3] Natl Inst Care & Res Ageing, Odontostomatol Clin, Ancona, Italy

[4] Marche Polytech Univ, Dept Pathol Anat & Histopathol, Ancona, Italy

来源：

JOURNAL OF BIOLOGICAL REGULATORS AND HOMEOSTATIC AGENTS | 2014年 / 28卷 / 04期

关键词：

bone; regeneration; apoptosis; PARP; Poly(ADP-ribose) polymerase; POSTTRANSLATIONAL MODIFICATION; CONSENSUS CONFERENCE; P53; FIBROBLASTS; APOPTOSIS; CHROMATIN; CLEAVAGE; ANTIGEN; BINDING; GRAFT;

D O I：

暂无

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Poly(ADP-ribose) polymerase (PARP) is a 116kDa enzyme catalysing the synthesis of ADP-ribose polymers from NAD+. PARP is activated in response to DNA strand breaks and plays a critical role in the maintenance of genomic integrity. However, considering its role also in transcription, proliferation as well as apoptosis in biological process, in the present study the role of PARP in bone regeneration was evaluated, in particular in bone cell proliferation and differentiation processes. Thus, formalin fixed paraffin embedded specimens of 10 human bone samples after sinus lift were collected and investigated by immunohistochemistry using a mouse monoclonal anti-human PARP antibody. PARP was expressed in cells with morphological features of osteoblasts in the areas of new bone formation at the junction between mineralized and unmineralized tissue, between osteoid tissue and bone. Few osteoclasts were observed and showed only focal nuclear expression of PARP, while osteocytes showed no positivity for PARP. Our data showed an overall involvement of PARP enzyme in human bone tissues, in particular during bone regeneration process.

引用

页码：801 / 807

页数：7

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