The Experts below are selected from a list of 327 Experts worldwide ranked by ideXlab platform

Tudor Braniste - One of the best experts on this subject based on the ideXlab platform.

  • sensitivity of human pluripotent stem cells to insulin precipitation induced by Peristaltic Pump based medium circulation considerations on process development
    Scientific Reports, 2017
    Co-Authors: Diana Nada Caterina Massai, Emiliano Bolesani, Diana Robles Diaz, Christina Kropp, Henning Kempf, Caroline Halloin, Ulrich Martin, Tudor Braniste, Vanessa Harms
    Abstract:

    Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous Peristaltic Pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a Peristaltic Pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.

  • sensitivity of human pluripotent stem cells to insulin precipitation induced by Peristaltic Pump based medium circulation considerations on process development
    Scientific Reports, 2017
    Co-Authors: Diana Nada Caterina Massai, Emiliano Bolesani, Diana Robles Diaz, Christina Kropp, Henning Kempf, Caroline Halloin, Ulrich Martin, Tudor Braniste, Giuseppe Isu
    Abstract:

    Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous Peristaltic Pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a Peristaltic Pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.

Diana Nada Caterina Massai - One of the best experts on this subject based on the ideXlab platform.

  • sensitivity of human pluripotent stem cells to insulin precipitation induced by Peristaltic Pump based medium circulation considerations on process development
    Scientific Reports, 2017
    Co-Authors: Diana Nada Caterina Massai, Emiliano Bolesani, Diana Robles Diaz, Christina Kropp, Henning Kempf, Caroline Halloin, Ulrich Martin, Tudor Braniste, Vanessa Harms
    Abstract:

    Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous Peristaltic Pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a Peristaltic Pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.

  • sensitivity of human pluripotent stem cells to insulin precipitation induced by Peristaltic Pump based medium circulation considerations on process development
    Scientific Reports, 2017
    Co-Authors: Diana Nada Caterina Massai, Emiliano Bolesani, Diana Robles Diaz, Christina Kropp, Henning Kempf, Caroline Halloin, Ulrich Martin, Tudor Braniste, Giuseppe Isu
    Abstract:

    Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous Peristaltic Pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a Peristaltic Pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.

Qiang Zheng - One of the best experts on this subject based on the ideXlab platform.

Giuseppe Isu - One of the best experts on this subject based on the ideXlab platform.

  • sensitivity of human pluripotent stem cells to insulin precipitation induced by Peristaltic Pump based medium circulation considerations on process development
    Scientific Reports, 2017
    Co-Authors: Diana Nada Caterina Massai, Emiliano Bolesani, Diana Robles Diaz, Christina Kropp, Henning Kempf, Caroline Halloin, Ulrich Martin, Tudor Braniste, Giuseppe Isu
    Abstract:

    Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous Peristaltic Pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a Peristaltic Pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.

Vanessa Harms - One of the best experts on this subject based on the ideXlab platform.

  • sensitivity of human pluripotent stem cells to insulin precipitation induced by Peristaltic Pump based medium circulation considerations on process development
    Scientific Reports, 2017
    Co-Authors: Diana Nada Caterina Massai, Emiliano Bolesani, Diana Robles Diaz, Christina Kropp, Henning Kempf, Caroline Halloin, Ulrich Martin, Tudor Braniste, Vanessa Harms
    Abstract:

    Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous Peristaltic Pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a Peristaltic Pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.