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Merck
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文件

L0520

Sigma-Aldrich

乳铁蛋白 来源于人奶

≥85% (SDS-PAGE), lyophilized powder

同義詞:

Growth-inhibiting protein 12, Lactotransferrin, Talalactoferrin

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About This Item

CAS號碼:
936541-36-5
MDL號碼:
MFCD00164307
分類程式碼代碼:
12352202
NACRES:
NA.61

生物源

human milk

化驗

≥85% (SDS-PAGE)

形狀

lyophilized powder

分子量

82.4 kDa

成份

Protein, ≥90% biuret

技術

microbiological culture: suitable

溶解度

phosphate buffer: 1 mg/mL, clear to slightly hazy (0.01 M phosphate buffer, 0.0027 M potassium chloride and 0.137 M sodium chloride, pH 7.4, at 25 °C)

UniProt登錄號

P02788

儲存溫度

2-8°C

InChI

1S/C35H53N9O12/c1-16(2)27(43-33(53)23(14-26(47)48)41-25(46)15-38-29(49)18(5)39-31(51)21(36)13-24(37)45)34(54)40-19(6)30(50)42-22(12-20-10-8-7-9-11-20)32(52)44-28(17(3)4)35(55)56/h7-11,16-19,21-23,27-28H,12-15,36H2,1-6H3,(H2,37,45)(H,38,49)(H,39,51)(H,40,54)(H,41,46)(H,42,50)(H,43,53)(H,44,52)(H,47,48)(H,55,56)/t18-,19-,21-,22-,23-,27-,28-/m0/s1

InChI 密鑰

QCBUWCQOKPLTDZ-PKRULZLPSA-N

基因資訊

human ... LTF(4057)

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應用

乳铁蛋白用于在铁限制培养基中生长变形链球菌。 它用于测试乳铁蛋白是否在体外阻止上皮细胞粘附。

生化／生理作用

乳铁蛋白是一种铁结合蛋白。在结构上与血浆铁转运蛋白转铁蛋白相似；但是乳铁蛋白对铁的亲和力要高得多（250 倍）。在初乳中含量非常丰富，少量也可见于泪液、唾液、粘液分泌物和中性粒细胞的次级颗粒中。由粘膜上皮和中性粒细胞组成，在炎症刺激下由这些细胞释放。细菌的生长被其隔离铁的能力所抑制，也通过其 N 端与脂多糖结合使细菌细胞壁通透性增加。乳铁蛋白可以通过与病毒包膜蛋白紧密结合来抑制病毒感染。它通过阻断结合域阻止了细胞与病毒的融合。乳铁蛋白似乎部分通过刺激中性粒细胞激活剂白细胞介素-8 的释放来激活宿主防御系统。还可能参与抗体和白细胞介素合成、淋巴细胞增殖和补体激活。

品質

包含铁，有关批次特异性信息，请参见检验报告。

準備報告

色谱纯化产品。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

分析證明 (COA)

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Inflammation research : official journal of the European Histamine Research Society ... [et al.], 61(11), 1247-1255 (2012-07-20)
The aim of this study was to assess the utility of lactoferrin (LF), a natural immunomodulator, to restrain allergen-induced pleurisy in mice. BALB/c female mice, 8- to 10-week old, weighing 24 g on average, were used. Mice were immunized intraperitoneally
Shelton W Wright et al.
PLoS neglected tropical diseases, 14(8), e0008495-e0008495 (2020-08-09)
Melioidosis is an often-severe tropical infection caused by Burkholderia pseudomallei (Bp) with high associated morbidity and mortality. Burkholderia thailandensis (Bt) is a closely related surrogate that does not require BSL-3 conditions for study. Lactoferrin is an iron-binding glycoprotein that can
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Acinetobacter baumannii is an emerging pathogen that poses a global health threat due to a lack of therapeutic options for treating drug-resistant strains. In addition to acquiring resistance to last-resort antibiotics, the success of A. baumannii is partially due to
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Journal of periodontal research, 33(1), 8-16 (1998-04-03)
In the process of host defence against microbial challenge, neutrophils release granule contents with the potential side effect of damaging structural tissues. In the junctional epithelium such damage may contribute to the degeneration and renewal of the epithelial cells attached
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