Crown Bioscience has developed over 100 cytokines and growth factors for use in basic and preclinical research, as well as in vivo assays.

We specialize in providing high quality bulk quantities at a reasonable cost. Highlights of Crown Bioscience’s protein collection include:

  • Recombinant expression in E.coli, CHO or baculovirus
  • > 95% purity (affinity purification)
  • No preservatives or stabilizers

Bulk quantities are available. Contact us for pricing and availability.

Browse our catalog of cytokines and growth factors:

Chemokines

CXCL1/ GRO-alpha /MGSA MCP-2/CCL8 IL-2
CXCL2/ GRO-beta Eotaxin/CCL11 IL-3
CXCL3/ GRO-γ MCP-4/CCL13 IL-4
CXCL4/ PF4 HCC-1/CCL14 IL-6
CXCL5/ ENA-78 MIP-5/CCL15 IL-7
CXCL6/ GCP-2 HCC-4/CCL16 IL-8 (72a.a.)
CXCL7/ NAP-2 TARC/CCL17 IL-9
CXCL9/ MIG MIP-4/CCL18 IL-10
CXCL10/ IP-10 LD78-β/CCL3L1 IL-11
CXCL11/ I-TAC MIP-3α/CCL20 IL-13
CXCL12/ SDF-1α Exodus-2/CCL21 IL-15
CXCL13/ BLC/ BAC-1 MDC/CCL22 IL-17
Lymphotactin / XCL1 MIP-3/CCL23 IL-19
I-309/CCL1 Eotaxin-2/CCL24 IL-20
MCP-1/MCAF/CCL2 TECK/CCL25 IL-21
MIP-1α/CCL3 Eotaxin-3/CCL26 IL-22
MIP-1β/CCL4 IL-1α IL-31
RANTES/CCL5 IL-1β IL-33
MCP-3/CCL7 IL-1ra

Growth Factors

Leukemia Inhibitory Factor FGF-21 Epiregulin (EREG)
OSM FGF-23 Amphiregulin (AREG)
aFGF IGF-I Ciliary Neurotrophic Factor (CNTF)
bFGF Insulin-like Growth Factor-Binding Protein 3 (IGF-BP3) Betacellulin (BTC)
KGF-1/FGF-7 EGF Bone Morphogenetic Protein-2 (BMP-2)
FGF-9 VEGF165 Bone Morphogenetic Protein-4 (BMP-4)
KGF-2/FGF-10 Epigen (EPG) Bone Morphogenetic Protein-7 (BMP-7)
FGF-19

Interferons

Interferon-α1b Interferon-λ1/IL-29 (IFN-λ1/IL-29) B Cell Activating Factor (BAFF)
Interferon-α2a (IFN-α2a) Interferon Omega (IFN-ω) B Cell Activating Factor Receptor (BAFF-R)
Interferon-α2b (IFN-α2b) Tumor Necrosis Factor-alpha (TNF-α) soluble CD40 Ligand (sCD40L)
Interferon-β1b Tumor Necrosis Factor-alpha, His (TNF-α-His) B-Cell Maturation Antigen (BCMA)
Interferon-Gamma (IFN-γ) TNF-related weak inducer of apoptosis receptor (TWEAKR)

Colony stimulating factors

Stem Cell Factor (SCF) Erythropoietin-alpha (EPO-α) Thrombopoietin (TPO)
Granulocyte Colony Stimulating Factor (G-CSF) EPO-alpha/Fc Chimera (EPO-Fc) Macrophage Colony Stimulating Factor (M-CSF)
Granulocyte Macrophage Colony Stimulating Factor (GM-CSF)

Others

Thymic Stromal Lymphopoietin (TSLP) Endothelial-Monocyte A Activating Polypeptide II (EMAP-II) beta-Defensin 2 (BD-2)
Pigment Epithelium-derived Factor (PEDF) Neurotrophin-4 (NT-4) beta-Defensin 3 (BD-3)
Flt-3 Ligand (Flt-3L) Brain Natriuretic Peptide (BNP) beta-Defensin 4 (BD-4)
Angiostatin K1-3 beta-Defensin 1 (BD-1)

Protein Request Form

Fill out the following form to receive a quote for any of our recombinant proteins.

Please indicate the protein(s) of interest and desired quantity and we will get back in touch with you within 24 hours.

proteins
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