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Merck
모든 사진(1)

주요 문서

H8291

Sigma-Aldrich

Platelet-Derived Growth Factor-AA human

PDGF-AA, recombinant, expressed in HEK 293 cells, HumanKine®, suitable for cell culture

동의어(들):

PDGF−AA

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About This Item

MDL number:
UNSPSC 코드:
12352200
NACRES:
NA.77

생물학적 소스

human

재조합

expressed in HEK 293 cells

분석

≥95% (SDS-PAGE)

양식

lyophilized powder

효능

≤2000 ng/mL Specific activity ED50

품질

endotoxin tested

분자량

dimer 35-45 kDa (glycosylated)

포장

pkg of 10 μg

저장 조건

avoid repeated freeze/thaw cycles

기술

cell culture | mammalian: suitable

불순물

≤1 EU/μg

UniProt 수납 번호

저장 온도

−20°C

유전자 정보

human ... PDGFA(5154)

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일반 설명

PDGF (platelet-derived growth factor), is the principal serum mitogen predominantly found in cells of mesenchymal origin. It is expressed in smooth muscle cells, endothelial cells and macrophages. PDGF is localized in α-granules of platelets and released during clot formation. PDGF from human platelets has been purified and described as a cationic glycoprotein (pI 9.5-10.4) having a molecular mass of approx. 30 kDa and composed of two covalently linked subunits, designated as chains A (16 kDa) and B (14 kDa). PDGF exists as five different dimers : heterodimers occurs as PDGF-AB and homodimers exists as FDGF-AA, PDGF-BB, PDGF-CC and PDGF-DD). In platelets, approx.70% of the PDGF is present as the AB dimer, with most of the remainder as BB. Purified human PDGF shows substantial size heterogeneity, ranging from 27-31 kDa, probably due to the presence of isoforms, glycosylation processing, aging of the platelets, and partial proteolysis during purification.
The PDGF gene is highly conserved and is mapped to human chromosome 7p22.3. PDGF is structurally and functionally related to vascular endothelial growth factors.

애플리케이션

Platelet-Derived Growth Factor-AA human has been used in in vitro transdifferentiation of mesenchymal stem cells into SC (Schwann cells)-like cells.

생화학적/생리학적 작용

PDGF (platelet-derived growth factor) not only functions as a growth factor, it also participates in chemotaxis for triggering cell movement. Elevated levels of placental PDGF is observed during late first and third trimester pregnancies. PDGF is associated with wound healing and atherosclerosis. PDGFA mediated PDGFRa (PDGF receptor a) phosphorylation activates pathways associated with cancer. PDGFA has been indicated to induce growth and metastasis in human hepatocellular carcinoma.
The sources of PDGF during wound repair include platelets (predominantly PDGF-AB), smooth muscles (PDGF-A),18 monocyte-derived macrophages (PDGF-B),19 and endothelial cells (PDGF- B).20 PDGF may play a role during normal embryonic development.
Purified PDGF activates two distinct PDGF receptors encoded by separate genes. PDGF-AA binds only to -PDGF receptor but PDGF-AB and PDGF-BB bind to both alpha and β-receptors; i.e., the alpha-receptor binds either A or B chain and the β-receptor binds only the B chain.

제조 메모

HumanKine recombinant human PDGF-AA, expressed in human HEK 293 cells, is a mixture of pro-form, pro-mature, and mature dimers with apparent molecular masses of 35, 40, and 45 kDa, respectively. They are disulfide linked glycosylated homodimers. Production in human HEK 293 cells offers authentic glycosylation. Glycosylation contributes to stability in cell growth media and other applications.

분석 메모

The specific activity was determined by the dose-dependent stimulation of the proliferation of 3T3 cells.

법적 정보

HumanKine is a registered trademark of Proteintech Group, Inc. and Humanzyme, Inc

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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이미 열람한 고객

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1 of 2

Angiogenesis during human extraembryonic development involves the spatiotemporal control of PDGF ligand and receptor gene expression.
Holmgren L. A. R. S., et al.
Development, 113, 749-754 (1991)
Clinical Findings Associated with a De Novo
Partial Trisomy 10p11.22p15.3 and Monosomy 7p22.3
Detected by Chromosomal Microarray Analysis
Kohannim O, et al.
Case Reports in Genetics, 2011 (2011)
Platelet-derived growth factor (PDGF) receptor-α activates c-Jun NH2-terminal kinase-1 and antagonizes PDGF receptor-β-induced phenotypic transformation.
Yu J, et al.
The Journal of Biological Chemistry, 275.25, 19076-19082 (2000)
Activation of AKT pathway by Nrf2/PDGFA feedback loop contributes to HCC progression
Liu D, et al.
Oncotarget, 7(40), 65389-65402 (2016)
Transdifferentiation of brain-derived neurotrophic factor (BDNF)-secreting mesenchymal stem cells significantly enhance BDNF secretion and Schwann cell marker proteins.
De la Rosa MB, et al.
Journal of Bioscience and Bioengineering, 124.5, 572-582 (2017)

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