骨组织

双相钙磷系统骨组织工程支架材料

Biphasic Calcium Phosphate System Bone Tissue Engineering Scaffold

目前用于骨组织工程的纳米支架材料主要有纳米复合材料和纳米纤维材料。

At present , nanocomposite constructs and nanofiber scaffolds are the major materials researched in bone tissue engineering .

P（53）蛋白在骨组织恶性肿瘤中的表达

Expression of P ~ ( 53 ) Protein in Musculoskeletal Malignancies

维生素E对去卵巢大鼠骨组织计量学的影响

Effect of VitE on histomorphology of bone in ovariectomized rats

DR双能量减影骨组织像对胸部骨转移癌的诊断价值

DR dual-energy subtraction bone imaging in the diagnosis of thoracic bone metastases

提示胶原膜结合HA颗粒在引导骨组织再生方面具有协同作用。

The result showed that collagen membranc combined with HA could improve new bone regeneration .

A组中，骨组织占新生组织的比例为（40.65±8.25）%，B组为（6.65±2.34）%。

The percentage of new bone of group A and B were 40.65 % ± 8 25 % and 6.65 % ± 2.34 % respectively .

结论大鼠骨髓间充质干细胞（MSCs）是骨组织工程中适宜的种子细胞。

Conclusion MSCs are ideal seeded cells in bone tissue engineering .

背景：羟基磷灰石（Hydroxyapatite，HA）是骨组织的主要无机成分。

Background : Hydroxyapatite ( HA ) is the main inorganic composition of bony tissue .

用琼脂糖电泳法检测骨组织基因组细胞凋亡、含量及分子量。结果骨质疏松组大鼠骨细胞凋亡增加，DNA含量减少，分子量降低，肝组织脂质过氧化物（MDA）含量增加；

Results The osteocyte apoptosis in osteoporosis group rats are increased , the contents and molecular weight of DNA are all decreased .

在钛表面涂覆羟基磷灰石（HA）可以显著提高钛的生物活性，实现钛植入体与骨组织的骨键合。

Hydroxyapatite ( HA ) coating on the titanium surface can be significantly improve the biological properties of titanium .

基于RP的骨组织工程支架构造及生物学特性分析

Fabrication of Bone Tissue Engineering Scaffolds Based on RP and Analysis of Biological Properties

根据CT图像数据构建像素立方体，通过骨组织图像的灰度阈值的比较，实现空间点云数据的采集。

The pixel cube model is constructed based on data of CT images . The data of space point cloud is acquired by comparing the gray threshold of image of bone tissue .

1995年，Crane等在此基础上进一步系统地提出骨组织工程的科学意义、研究方法、研究现状和前景，引起了人们对骨组织工程研究领域的普遍关注。

Then , Crane put forword the scientific significance , research methods , current status and prospects of bone tissue engineering systematically , which aroused general concern .

作为骨组织填充物，需与BMP复合，以提高其骨诱导活性；

As the bone tissue defect filler , it needs to blend with BMP to improve the bone inductivity ;

目的：比较能量减影（DE）骨组织像与核素骨显像对肿瘤患者肋骨病变的诊断价值。

Purpose : To compare the value between bone image of dual energy subtraction ( DE ) with direct digital radiography and bone scintigraphy in diagnosing rib lesion .

滑膜炎症，滑膜组织增生和血管翳形成，关节软骨和骨组织结构的破坏，是RA的主要病理组织学改变。

Synovitis , the hyperplasia of synovium , pannus formation and the destruction of cartilage and bone are the main pathohistological properties of RA .

结论CT扫描能够明确鼻腔恶性肿瘤部位、大小及骨组织破坏，为临床诊治鼻腔恶性肿瘤提供医学影像学资料。

Conclusion Malignant tumors of nasal cavity can be found in CT scanning in situs and size and encroaching forthcoming constitution and osteoclasia medical science image information can be offered for clinical diagnosis and management .

骨组织形态计量学：O组比S组、E组和A组骨结合率、松质骨区骨量明显下降，结果有统计学意义。E组、A组与S组未有统计学差异。

Histomorphometry showed that the combination ratio of bone surface with implant in group O decreased significantly compared with E , group A and S , among which there were no significant statistical differences .

结论同种异体MSC移植后可长期存活于骨髓和新骨组织并保存成骨特性。

Conclusion After transplantation , allogeneic MSCs have a long-term surviving in marrow and new bone tissue and maintain the characteristic of ossification .

BEMF对去卵巢骨质疏松大鼠骨组织bFGF表达的影响及意义

Impact of bionics pulsed electromagnetic fields on the expression of bFGF in the bone tissue of ovariectomy osteoporosis rats

已有研究证实在不同的化学药物或细胞因子的作用下，MSCs可向表皮组织，骨组织，软骨组织，神经组织等分化。

Some reports suggested that MSCs can differentiate into epidermal tissue , bone tissue , cartilaginous tissue , nervous tissue by the effect of different chemicals and cytokine .

目的：探讨吸烟对人骨组织骨桥蛋白（Osteopontin，OPN）表达及功能的影响。

Objective : To explore the influence of smoking on the function and expression of human bone tissue osteopontin ( OPN ) .

目的：探讨用骨髓基质细胞（MSC）作为种子细胞，三维多孔纳米羟基磷灰石为支架材料构建组织工程化骨组织的可行性。

Objective : To investigate the feasibility of using marrow stromal cells ( MSC ) as seed cells and three-dimensional porous nano-hydroxylapatite as scaffolds for constructing tissue-engineered bone .

目的用骨组织形态计量学方法定量检测大鼠胫骨远心端不活跃的骨小梁，并观察甲状旁腺激素（PTH）对此骨骺已关闭部位低转化骨的影响。

Aim : To study distal tibia metaphysis and observe the effect of parathyroid Hormone ( PTH ) on this area in female rats .

方法：骨组织TGF-β1mRNA、vEGFmRNA采用原位杂交，凋亡基因Fas采用免疫组织化学检测。

Methods : TGF - β 1 , mRNA . VEGF mRNA expression of bone tissue and apoptosis gene Fas were detected respectively by in situ hybridization and immunohistochemistry .

结论未诱导的MSC是骨组织工程适宜的种子细胞，与同种异体脱钙骨复合可作为骨组织工程的载体。

Conclusion Naive MSCs are ideal seeding cells for bone tissue engineering , and the allogenic decalcified bone matrix loaded with MSCs may be used as a good scaffold .

初步结果提示，性激素受体与人骨组织代谢有一定关联，骨组织细胞恶变后，其ER和PR数量要发生改变。

Our study suggested that the sex hoemone receptor correlate with the metabolism of human bone tissue . The concentrations of ER and PR in bone tissues would undergo changes when the tissues became malignant .

羟基磷灰石（HA）是天然骨组织的主要无机成分，具有骨诱导性，能够诱导新生骨的血管化，促进新骨的形成，且植入体内后不会引起炎症反应，常用作骨修复材料。

HA , as the main inorganic component of bone , is able to induce bone formation and revascularization . HA will not cause inflammatory response in vivo , and is one of commonly used bone repair materials .

采用葡聚糖-活性炭单点饱和分析法（DCC）测定13例正常人骨组织，10例恶性骨肿瘤组织（其中转移性癌3例）的雌激素及孕激素受体（ER、PR）之含量。

Thirteen cases of normal human bones and 10 cases of malignant bone tumors were assayed for estrogen and progesterone receptors ( ER , PR ) by Dextran - coated charcoal single point method ( DCC ) .