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重組人骨形態(tài)發(fā)生蛋白-2

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產(chǎn)品編號(hào)bs-0514P
英文名稱Recombinant human BMP-2 protein, N-His
中文名稱重組人骨形態(tài)發(fā)生蛋白-2
別    名bone morphogenetic protein 2; BMP 2; BMP 2A; BMP2; BMP2A; BMP-2; BMP2_HUMAN; Recombinant human BMP-2 protein, N-His  
Specific References  (4)     |     bs-0514P has been referenced in 4 publications.
[IF=8.31] Li, Long, et al. "Controlled dual delivery of BMP-2 and dexamethasone by nanoparticle-embedded electrospun nanofibers for the efficient repair of critical-sized rat calvarial defect." Biomaterials (2014).  other ;  
[IF=5.295] Jing Liu. et al. Protection of primary cilia is an effective countermeasure against the impairment of osteoblast function induced by simulated microgravity. JOURNAL OF CELLULAR AND MOLECULAR MEDICINE. 2022 Dec;:  
[IF=5.039] Wu Z et al. The synergetic effect of bioactive molecule-loaded electrospun core-shell fibres for reconstruction of critical-sized calvarial bone defect-The effect of synergetic release on bone Formation. Cell Prolif. 2020 Apr;53(4):e12796.  other ;  
[IF=3.192] Zhou XH et al. In vitro and in vivo anti-corrosion properties and bio-compatibility of 5β-TCP/Mg-3Zn scaffold coated with dopamine-gelatin composite. Surface and Coatings Technology. 2019 doi:10.1016/j.surfcoat.2019.05.046  Other ;  
理論分子量13kDa
檢測(cè)分子量17 kDa
性    狀Lyophilized or Liquid
濃    度>0.5 mg/ml
物    種hu, mo, rat, dog, pig, cow,Rb
序    列283-396/396
純    度>95% as determined by SDS-PAGE
純化方法AC
內(nèi)毒素Not analyzed
表達(dá)系統(tǒng)E.coli
活性Yes
標(biāo)簽N-His
緩 沖 液20 mM Tris-HCl (pH=8.0)
保存條件Stored at -70℃ or -20℃. Avoid repeated freeze/thaw cycles.
注意事項(xiàng)This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
產(chǎn)品介紹BMP2 belongs to the transforming growth factor-beta (TGFB) superfamily of secreted growth factors. It is a disulfide-linked homodimer and induces bone and cartilage formation. In addition to its osteogenic activity, BMP2 plays an important role in cardiac morphogenesis and is expressed in a variety of tissues including lung, spleen, brain, liver, prostate ovary and small intestine. The functional form of BMP2 is a 26 kDa protein composed of two identical 114 amino acid polypeptide chains linked by a single disulfide bond. BMPs control fundamental events in early embryonic development, organogenesis and adult tissue homeostasis.

SWISS:
P12643

Gene ID:
650



骨形態(tài)發(fā)生蛋白-2

骨組織形成(rh-BMP-2)是一個(gè)由多種因素調(diào)節(jié)的復(fù)雜而有序的過(guò)程。在細(xì)胞水平上看,骨組織形成有兩種方式,即膜內(nèi)成骨和軟骨內(nèi)成骨。前者的新生骨組織在結(jié)締組織膜中由間充質(zhì)細(xì)胞直接形成,后者是指結(jié)締組織內(nèi)的間充質(zhì)細(xì)胞首行先分化為軟骨組織,然后在軟骨組織的基礎(chǔ)上進(jìn)行鈣化成骨。
從分子水平上看,骨組織的形成過(guò)程就是生物大分子在細(xì)胞與細(xì)胞之間、細(xì)胞與細(xì)胞外基質(zhì)之間的信息轉(zhuǎn)導(dǎo)過(guò)程。
胚胎時(shí)期的骨化過(guò)程同骨折骨痂的形成以及異位骨形成過(guò)程相類似,均受到機(jī)體某種激素和某些局部生長(zhǎng)因子的調(diào)控。
一般認(rèn)為:1.影響骨組織形成的激素主要有:
甲狀旁腺素(PTH)、生長(zhǎng)素、甲狀腺素、降鈣素、雌激素等;
2.影響骨組織形成的局部生長(zhǎng)因子主要有:
BMPs、轉(zhuǎn)移因子(TGF)、血小板衍生生長(zhǎng)因子(PDGF)、胰島素樣生長(zhǎng)因子(IGFs)、白細(xì)胞介素(ILs)等。
在骨組織形成過(guò)程中,激素與生長(zhǎng)因子調(diào)節(jié)之間既有相對(duì)獨(dú)立,又相互聯(lián)系。兩種調(diào)節(jié)與神經(jīng)系統(tǒng)共同形成了神?內(nèi)分泌-免疫-局部生長(zhǎng)因子調(diào)節(jié)網(wǎng)絡(luò),參與骨組織形成的整個(gè)調(diào)節(jié)過(guò)程。一般認(rèn)為,局部生長(zhǎng)因子在骨組織形成的調(diào)節(jié)過(guò)程中起著主導(dǎo)作用。尤其BMPs是其中唯一能夠單獨(dú)誘導(dǎo)間充質(zhì)細(xì)胞向骨組織方向分化的生長(zhǎng)因子,是骨組織形成過(guò)程中最關(guān)鍵的調(diào)節(jié)因子。
實(shí)驗(yàn)表明,低濃度BMPs能夠誘導(dǎo)間充質(zhì)細(xì)胞向骨組織形成區(qū)移行;中等濃度BMPs可以促進(jìn)間充質(zhì)細(xì)胞向成軟骨及成骨細(xì)胞方向分化;而高濃度BMPs則能促進(jìn)進(jìn)間充質(zhì)細(xì)胞的增生。
研究認(rèn)為,BMP-2主要對(duì)未分化間充質(zhì)細(xì)胞和骨系細(xì)胞起到募集和分化作用。在骨形成早期,BMP-2不僅可使未分化間質(zhì)細(xì)胞向骨形成中心募集,并分化為骨系細(xì)胞,而且可使成纖維細(xì)胞、成肌細(xì)胞及骨髓的基細(xì)胞逆轉(zhuǎn)分化為骨系細(xì)胞。其主要過(guò)程是:增加或抑制這些細(xì)胞內(nèi)的某些特異性蛋白的分泌,使成纖維細(xì)胞分化為成骨細(xì)胞,成肌細(xì)胞快速分化為肥大的軟骨細(xì)胞,并促進(jìn)基質(zhì)鈣化。
對(duì)于成骨細(xì)胞,BMP-2則可使之維持其特有細(xì)胞表型,并誘導(dǎo)成骨細(xì)胞標(biāo)志物的增高,促進(jìn)細(xì)胞外基質(zhì)鈣化。在骨形成后期,BMP-2還作為一種破骨細(xì)胞分化因子與其它支持破骨細(xì)胞分化因子直接或間接刺激破骨細(xì)胞分化,參與骨的重建。

關(guān)于BMP-2是否具有促進(jìn)細(xì)胞的有絲分裂和復(fù)制作用,目前尚有爭(zhēng)議。但可以肯定,在促進(jìn)細(xì)胞有絲分裂和復(fù)制過(guò)程中,BMP-2與其它局部因子有協(xié)同作用。因此骨組織形成是多種局部因子共同調(diào)節(jié)的結(jié)果.
產(chǎn)品圖片
The purity of the protein is greater than 90% as determined by reducing SDS-PAGE.
The purity of the protein is greater than 90% as determined by reducing SDS-PAGE.
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