Purity of recombinant human BMP-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 BMP-4 (HZ-1045) stimulates dose-dependent induction of alkaline phosphatase production in the ATDC-5 mouse chondrogenic cell line. Alkaline phosphatase production was assessed using pNPP as a chromogenic substrate. ATDC-5 cells were treated with increasing concentrations of recombinant human BMP-4 for 72 hours before lysis and addition of pNPP. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 values range from 1.5-9 ng/ml.
Proteintech BMP-4 (HZ-1045) demonstrates equivalent induction and 2-fold lower EC50 compared to leading competitors. Recombinant human BMP-4 stimulates dose-dependent induction of alkaline phosphatase production in the ATDC-5 mouse chondrogenic cell line. Alkaline phosphatase production was assessed using pNPP as a chromogenic substrate. ATDC-5 cells were treated with increasing concentrations of recombinant human BMP-4 for 72 hours before lysis and addition of pNPP. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 values range from 1.5-9 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)
Human induced pluripotent cells(iPSCs) were differentiated to definitive endoderm using HumanKine growth factors (Activin A- HZ-1138, bFGF-HZ-1285, BMP-4- HZ-1045, and Wnt3A-HZ-1296). The differentiation was confirmed by detection of expression of FOXA2(Red) and downregulation of pluripotency marker NANOG(yellow), in immunofluorescence
Purity of recombinant human FGFbasic-TS 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 FGFbasic-TS (HZ-1285) stimulates dose-dependent proliferation of the HDFa human primary fibroblast cell line. Cell number was quantitatively assessed by Promega CellTiter 96® cell viability reagent. HDFa cells were treated with increasing concentrations of recombinant FGFbasic-TS for 48 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.05-0.4 ng/mL.
Recombinant human FGFbasic-TS (HZ-1285) stimulates dose-dependent proliferation of the NIH/3T3 mouse fibroblast cell line. Viable cell number was quantitatively assessed by Prestoblue Cell Viability Reagent. NIH/3T3 cells were serum starved with 0.02% FBS during treatment with increasing concentrations of recombinant human FGF basic-TS for 72hrs in defined medium. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 values range from 0.4-2.5 ng/mL.
Proteintech FGF basic-TS (HZ-1285) demonstrates greater induction of proliferation and 3-fold lower EC50 compared to leading competitors. Recombinant human FGFbasic-TS stimulates dose-dependent proliferation of the HDFa human primary fibroblast cell line. Cell number was quantitatively assessed by Promega CellTiter 96® cell viability reagent. HDFa cells were treated with increasing concentrations of recombinant FGFbasic-TS for 48 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.05-0.4 ng/mL.
Human induced pluripotent cells(iPSCs) were differentiated to definitive endoderm using HumanKine growth factors (Activin A- HZ-1138, bFGF-HZ-1285, BMP-4- HZ-1045, and Wnt3A-HZ-1296). The differentiation was confirmed by detection of expression of FOXA2(Red) and downregulation of pluripotency marker NANOG(yellow), in immunofluorescence
Purity of recombinant human IL-2 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-2 (HZ-1015) stimulates dose-dependent proliferation of the CTLL-2 (mouse cytotoxic T) cell line. Viable cell number was quantitatively assessed by Prestoblue Cell Viability Reagent. CTLL-2 cells were starved for 5 hours before treatment with increasing concentrations of GMP recombinant human IL-2 for 48 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 values range from 0.05-0.35 ng/mL.
Purity of recombinant human SCF 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 SCF (HZ-1024) stimulates dose-dependent proliferation of the MO7e human megakaryoblastic leukemia cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. MO7e cells were treated with increasing concentrations of GMP recombinant SCF for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 15-85 ng/mL.
Purity of recombinant human FLT3 Ligand 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 FLT3 (HZ-1151) Ligand stimulates dose-dependent proliferation of the human acute myeloid leukemia cell line (OCI-AML5). Viable cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. OCI-AML5 cells were treated with increasing concentrations of recombinant human FLT3 Ligand for 72 hours. The EC50 was determined using a 4- parameter non-linear regression model. The EC50 values range is 0.4-3 ng/mL. 
Purity of recombinant human IL-3 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-3 (HZ-1074) 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-3 for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.4-2.0 ng/mL
Purity of recombinant human TPO 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 the dose- dependent stimulation of the proliferation of MO7e cells using Promega CellTiter96® Aqueous Non-Radioactive Cell Proliferation Assay.
Recombinant human TPO (HZ-1248) stimulates dose-dependent proliferation of the MO7e (human megakaryoblastic leukemia) cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. MO7e cells under defined media conditions were treated with increasing concentrations of GMP recombinant TPO for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 100-500 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 EPO 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 EPO (HZ-1168) 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 EPO for 72 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.2-3.0 ng/mL
Purity of recombinant human IL-7 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-7 (HZ-1281) stimulates dose-dependent proliferation of the 2E8 murine B Lymphocyte cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. 2E8 cells were treated with increasing concentrations of recombinant IL-7 for 120 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.1-1.4 ng/mL.

Proteintech IL-7 (HZ-1281) demonstrates 3-fold lower EC50 and equivalent induction of proliferation compared to a leading competitor. Recombinant human IL-7 stimulates dose-dependent proliferation of the 2E8 murine B lymphocyte cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. 2E8 cells were treated with increasing concentrations of recombinant IL-7 for 120 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.1-1.4 ng/mL.
Purity of recombinant human IL-2 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-2 (HZ-1015-GMP) induces dose-dependent proliferation of the CTLL2 (mouse cytotoxic T cell) cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. CTLL2 cells were treated with increasing concentrations of GMP recombinant IL-2 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 0.05-0.35 ng/mL.
Purity of GMP-grade recombinant human IL-7 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-7 (HZ-1281-GMP) stimulates dose-dependent proliferation of the 2E8 murine B lymphocyte cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. 2E8 cells were treated with increasing concentrations of recombinant IL-7 for 120 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 0.1-1.4 ng/mL.

Purity of recombinant human BMP-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 BMP-4 (HZ-1045-GMP) stimulates dose-dependent induction of alkaline phosphatase production in the ATDC-5 mouse chondrogenic cell line. Alkaline phosphatase production was assessed using pNPP as a chromogenic substrate. ATDC-5 cells were treated with increasing concentrations of recombinant human BMP-4 for 72 hrs hours before lysis and addition of pNPP. The EC50 was determined using a 4-parameter non-linear regression model. Activity determination was conducted in triplicate on a validated bioassay. The EC50 values range from 1.5-9 ng/ml.
Purity of GMP-grade recombinant human EPO 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 EPO (HZ-1168-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 recombinant EPO 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 0.2-3.0 ng/mL

Purity of recombinant human FGFbasic-TS 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 FGFbasic-TS (HZ-1285-GMP) stimulates dose-dependent proliferation of the HDFa human primary fibroblast cell line. Cell number was quantitatively assessed by Promega CellTiter 96® cell viability reagent. HDFa cells were treated with increasing concentrations of GMP recombinant FGFbasic-TS 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 0.05-0.4 ng/mL.
GMP-grade Recombinant human FGFbasic-TS (HZ-1285-GMP) stimulates dose-dependent proliferation of the NIH/3T3 mouse fibroblast cell line. Viable cell number was quantitatively assessed by Prestoblue Cell Viability Reagent. NIH/3T3 cells were serum starved with 0.02% FBS during treatment with increasing concentrations of recombinant human FGF basic-TS for 72hrs in defined medium. Activity determination was conducted in triplicate on a validated bioassay. The EC50 was determined using a 4- parameter non-linear regression model. The EC50 values range from 0.4-2.5 ng/mL.
Purity of GMP-grade recombinant human FLT3 Ligand 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-grade recombinant human FLT3 Ligand (HZ-1151-GMP) stimulates dose-dependent proliferation of the human acute myeloid leukemia cell line (OCI-AML5). Viable cell number was quantitiatively assessed by PrestoBlue Cell Viability Reagent. OCI-AML5 cells were treated with increasing concentrations of recombinant human FLT3 Ligand 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 value ranges from 0.4-3.0 ng/mL.
Purity of GMP-grade recombinant human IL-3 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-grade recombinant human IL-3 (HZ-1074-GMP) stimulates dose-dependent proliferation of the TF-1 human erythroleukemic indicator cell line. Viable cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. TF-1 cells were treated with increasing concentrations of recombinant IL-3 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 values range from 0.4-2.0 ng/mL

Purity of recombinant human SCF 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 SCF (HZ-1024-GMP) stimulates dose-dependent proliferation of the MO7e human megakaryoblastic leukemia cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. MO7e cells were treated with increasing concentrations of GMP recombinant SCF 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 15-85 ng/mL.
Purity of GMP-grade recombinant human TPO 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 TPO (HZ-1248-GMP) stimulates dose-dependent proliferation of the MO7e (human megakaryoblastic leukemia) cell line. Cell number was quantitatively assessed by PrestoBlue® Cell Viability Reagent. MO7e cells under defined media conditions were treated with increasing concentrations of GMP recombinant TPO 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 100-500 ng/mL.


