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Merck
모든 사진(1)

주요 문서

SRP3211

Sigma-Aldrich

IL-4 from mouse

Animal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

동의어(들):

B cell stimulating factor (BSF-1), BCDF, BCGF

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About This Item

UNSPSC 코드:
12352202
NACRES:
NA.32

생물학적 소스

mouse

재조합

expressed in E. coli

분석

≥98% (HPLC)
≥98% (SDS-PAGE)

양식

lyophilized

효능

≤2.0 ng/mL ED50

분자량

13.7 kDa

포장

pkg of 20 μg

기술

cell culture | mammalian: suitable

불순물

<0.1 EU/μg endotoxin, tested

색상

white to off-white

UniProt 수납 번호

배송 상태

wet ice

저장 온도

−20°C

유전자 정보

mouse ... IL4(16189)

일반 설명

IL-4 (interleukin 4) is a pleiotropic cytokine. Produced by mast cells, T cells and bone marrow stromal cells. Recombinant murine IL-4 is a 13.7kDa globular protein containing 120 amino acid residues.

생화학적/생리학적 작용

It regulates diverse T and B cell responses including cell proliferation, survival and gene expression. IL-4 regulates the differentiation of naive CD4+ T cells into helper Th2 (T helper) cells, characterized by their cytokine-secretion profile that includes secretion of IL-4, IL-5, IL-6, IL-10, and IL-13, which favor a humoral immune response. Another dominant function of IL-4 is the regulation of immunoglobulin class switching to the IgG1 (immunoglobulin G1) and IgE isotypes. Excessive IL-4 production by Th2 cells has been associated with elevated IgE production and allergy. IL-4 helps in long-term recovery after cerebral ischemia by controlling the activities of microglia/macrophage. In mice, absence of IL-4 is associated with a state anxiety-like behavior.

서열

MHIHGCDKNH LREIIGILNE VTGEGTPCTE MDVPNVLTAT KNTTESELVC RASKVLRIFY LKHGKTPCLK KNSSVLMELQ RLFRAFRCLD SSISCTMNES KSTSLKDFLE SLKSIMQMDY S

물리적 형태

Lyophilized with no additives.

재구성

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a stabilizer (example 5% Trehalose) and store in working aliquots at -20°C to -80°C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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문서 라이브러리 방문

Chih-Wei Ko et al.
Bio-protocol, 8(17), e3003-e3003 (2018-09-05)
Using gas chromatography mass spectrometry (GC-MS) to analyze the citric acid cycle (CAC) and related intermediates (such as glutamate, glutamine, GABA, and aspartate) is an analytical approach to identify unexpected correlations between apparently related and unrelated pathways of energy metabolism.
Mast cell production and response to IL-4 and IL-13.
McLeod JJ
Cytokine, 75, 57-61 (2015)
Interleukin-4 Is Essential for Microglia/Macrophage M2 Polarization and Long-Term Recovery After Cerebral Ischemia.
Liu X
Stroke, 47, 498-504 (2016)
Cell division number regulates IgG1 and IgE switching of B cells following stimulation by CD40 ligand and IL-4.
Hasbold J
European Journal of Immunology, 28, 1040-1051 (1998)
Interleukin (IL)-6 directs the differentiation of IL-4-producing CD4+ T cells.
Rincon M
The Journal of Experimental Medicine, 185, 461-469 (1997)

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