Purity of recombinant TGF beta 1 was determined by SDS-polyacrylamide gel electrophoresis. The protein was resolved in an SDS-polyacrylamide gel in reducing and non-reducing conditions followed by staining with Comassie blue.

Recombinant human TGF beta 1 (HZ-1011) inhibits IL-4 induced proliferation of the HT-2 mouse cell line. HT-2 cells are Balb/c spleen cells activated by sheep erythrocytes in the presence of IL-2. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. HT-2 cells were treated with increasing concentrations of recombinant TGF beta 1 for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.01-0.17 ng/mL.
 

Human iPSC-derived microglia (white) residing within an in vivo brain-like organoid environment (blue) derived using HumanKine growth factors (TGF beta 1- HZ-1011, BMP4- HZ-1045, and Thrombopoietin HZ-1248).(Credits- Credit: Simon T. Schafer & Monique Pena, Technical University of Munich, Center for Organoid Systems)

Purity of recombinant human TNF alpha was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

Recombinant human TNF alpha (HZ-1014) demonstrates does-dependent cytotoxicity in the L929 mouse adipose cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. L929 cells were treated with increasing concentrations of GMP recombinant TNF alpha for 72 hours in the presence of actinomycin D. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.002-0.026 ng/mL.
 

Proteintech TNF alpha (HZ-1014) demonstrates equivalent induction cytotoxicity and EC50 to leading competitors. TNF alpha demonstrates does-dependent cytotoxicity in the L929 mouse adipose cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. L929 cells were treated with increasing concentrations of GMP recombinant TNF alpha for 72 hours in the presence of actinomycin D. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.002-0.026 ng/mL.

Purity of recombinant human IL-4 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

Recombinant human IL-4 (HZ-1004) stimulates dose-dependent proliferation of the TF-1 human erythroleukemic indicator cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. TF-1 cells were treated with increasing concentrations of recombinant IL-4 for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.07-0.4 ng/mL.

Purity of recombinant human IL-6 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

Recombinant human IL-6 (HZ-1019) stimulates dose-dependent proliferation of the 3G12B10 hybridoma cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. 3G12B10 cells were treated with increasing concentrations of recombinant IL-6 for 96 hours. The EC50 range is 0.03-0.24 ng/mL​.
 

Recombinant human IL-6 (HZ-1019) stimulates dose-dependent proliferation of the 7TD1 hybridoma cell line. Cell number was quantitatively assessed by CellTiter® Cell Viability Reagent. 7TD1 cells were treated with increasing concentrations of recombinant IL-6 for 96 hours. The EC50 is <0.5 ng/mL​.

Purity of recombinant human M-CSF was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

Recombinant human M-CSF (Cat no: HZ-1192) stimulates dose-dependent proliferation of the murine mouse myloid leukemia (M-NFS-60) cell line. Cell number was quantitatively assessed by Prestoblue® Cell Viability Reagent. M-NFS-60 cells were treated with increasing concentrations of recombinant M-CSF for 48 hours. The EC50 range is 0.7-4.0 ng/mL.
 

Proteintech M-CSF (Cat no: HZ-1192) demonstrates equivalent fold induction and a 2-fold better EC50 compared to leading competitors. Recombinant human M-CSF stimulates dose-dependent proliferation of the murine mouse myloid leukemia (M-NFS-60) cell line. Cell number was quantitatively assessed by Prestoblue® Cell Viability Reagent. M-NFS-60 cells were treated with increasing concentrations of recombinant M-CSF for 48 hours. The EC50 range is 0.7-4.0 ng/mL.

Purity of recombinant human GM-CSF was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

The activity was determined by dose-dependent stimulation of proliferation in human TF-1 cells (human erythroleukemic indicator cell line) measured using Promega CellTiter96® Aqueous Non-Radioactive Cell Proliferation Assay.

Purity of recombinant human IFN gamma was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

Recombinant human IFN gamma (HZ-1301) dose-dependently inhibits proliferation of the HT-29 human colorectal adenocarcinoma cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. HT-29 cells were treated with increasing concentrations of recombinant IFN gamma for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model.The EC50 range is 0.02-0.14 ng/mL.

Proteintech IFN gamma (HZ-1301) demonstrates a 3-fold lower EC50 and equivalent dose-dependent inhibition of proliferation to a leading competitor. Recombinant human IFN gamma dose-dependently inhibits proliferation of the HT-29 human colorectal adenocarcinoma cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. HT-29 cells were treated with increasing concentrations of recombinant IFN gamma for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model.The EC50 range is 0.02-0.14 ng/mL.

Purity of recombinant human IL-10 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

Recombinant human IL-10 (HZ-1145) induces dose-dependent proliferation of the MC/9 (mouse mast cell) cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. MC/9 cells were treated with increasing concentration of recombinant IL-10 for 48 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.18-2.0 ng/mL.

Proteintech IL-10 (HZ-1145) demonstrates equivalent induction of proliferation and EC50 to leading competitors. IL-10 Induces dose-dependent proliferation of the MC/9 (mouse mast cell) cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. MC/9 cells were treated with increasing concentration of recombinant IL-10 for 48 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.18-2.0 ng/mL.

Purity of recombinant human IL-34 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

Recombinant IL-34 (HZ-1316) stimulates dose-dependent proliferation of PBMCs. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. PBMCs were treated with increasing concentrations of IL-34 for 6 days. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 2-12 ng/mL.

Proteintech IL-34 (HZ-1316) demonstrates a 2-fold decrease in EC50 and equivalent fold induction compared to leading competitors. Recombinant IL-34 stimulates dose-dependent proliferation of PBMCs. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. PBMCs were treated with increasing concentrations of IL-34 for 6 days. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 2-12 ng/mL.

Human PBMC cells were seeded at a density of 100,000 cells per well in a non-tissue culture treated ​96-well plate. Cells were cultured in RPMI1640 + 10% FBS treated 100 ng/mL of Proteintech recombinant IL-34 (HZ-1316) for 6 days.

1 million THP-1 cells were seeded in a 24-well plate with serum free RPMI 1640 medium overnight. ​
 Cells were treated with indicated amounts of IL-34 (HZ-1316) for 5 min before lysis with RIPA buffer. ​
 Phosphorylation ERK 1/2 (PTG #28733-1-AP) and total ERK 1/2 (PTG #11257-1-AP) antibodies were​
 used to detect IL-34 induced ERK1/2 phosphorylation.

Purity of recombinant human GM-CSF was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP Recombinant human GM-CSF (HZ-1002-GMP) stimulates dose-dependent proliferation of the TF-1 human erythroleukemic indicator cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. TF-1 cells were treated with increasing concentrations of GMP recombinant GM-CSF for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.08-0.8 ng/mL​.

Purity of GMP recombinant TGF beta 1 was determined by SDS-polyacrylamide gel electrophoresis. The protein was resolved in an SDS-polyacrylamide gel in reducing and non-reducing conditions followed by staining with Comassie blue.

Recombinant human GMP TGF beta 1 (HZ-1011-GMP) inhibits IL-4 induced proliferation of the HT-2 mouse cell line. HT-2 cells are Balb/c spleen cells activated by sheep erythrocytes in the presence of IL-2. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. HT-2 cells were treated with increasing concentrations of recombinant GMP TGF beta 1 for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.01-0.17 ng/mL.

Purity of recombinant human IFN gamma was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP Recombinant human IFN gamma (HZ-1301-GMP) dose-dependently inhibits proliferation of the HT-29 human colorectal adenocarcinoma cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. HT-29 cells were treated with increasing concentrations of GMP recombinant IFN gamma for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.02-0.14 ng/mL.

Purity of GMP recombinant human IL-10 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP Recombinant human IL-10 (HZ-1145-GMP) induces dose-dependent proliferation of the MC/9 (mouse mast cell) cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. MC/9 cells were treated with increasing concentration of GMP recombinant IL-10 for 48 hours. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.18-2.0 ng/mL

Purity of recombinant human IL-4 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP Recombinant human IL-4 (HZ-1004-GMP) stimulates dose-dependent proliferation of the TF-1 human erythroleukemic indicator cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. TF-1 cells were treated with increasing concentrations of GMP recombinant IL-4 for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.07-0.4 ng/mL.

Purity of recombinant human IL-6 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP Recombinant human IL-6 (HZ-1019-GMP) stimulates dose-dependent proliferation of the 3G12B10 hybridoma cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. 3G12B10 cells were treated with increasing concentrations of GMP recombinant IL-6 for 96 hours. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.03-0.24 ng/mL​.

Purity of recombinant human M-CSF was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP recombinant human M-CSF ( Cat no: HZ-1192-GMP) stimulates dose-dependent proliferation of the murine mouse myloid leukemia (M-NFS-60) cell line. Cell number was quantitatively assessed by Prestoblue® Cell Viability Reagent. M-NFS-60 cells were treated with increasing concentrations of recombinant M-CSF for 48 hours. Activity determination was conducted in triplicate on a validated bioassay. The EC50 range is 0.7-4.0 ng/mL.

Purity of recombinant human TNF alpha was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue.

GMP Recombinant human TNF alpha (HZ-1014-GMP) demonstrates does-dependent cytotoxicity in the L929 mouse adipose cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. L929 cells were treated with increasing concentrations of GMP recombinant TNF alpha for 72 hours in the presence of actinomycin D. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on the validated bioassay. The EC50 range is 0.002-0.026 ng/mL.