What type of study is this?

This is a Animal Study study (also classified as: In Vitro Study).

What question did this study set out to answer?

To investigate the effects of OTS167 on erythropoiesis and anemia in diamond blackfan anemia models.

December 8, 2025BloodOpen Access

Small molecule OTS167 increases erythropoiesis and improves anemia in diamond blackfan anemia models in vitro and In Vivo

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Authors

RNRamesh V. NairStanford Medicine AGAnju GoyalKresge Eye Institute KSKathleen M. SakamotoInstitute for Stem Cell Biology and Regenerative Medicine

Discussion

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Implication

In vitro and in vivo tests show OTS167 improves anemia by enhancing erythropoiesis in diamond blackfan anemia models, suggesting new therapeutic potential.

Key Points

To investigate the effects of OTS167 on erythropoiesis and anemia in diamond blackfan anemia models.
In vitro screening of small molecule inhibitors targeting NLK.
Flow cytometry to analyze erythroid precursor stages.
In vivo administration of OTS167 in DBA mouse models.
RNA-seq to investigate gene expression changes associated with treatment.
OTS167 increased erythroid expansion by 50-60% in human DBA models in vitro.
In vivo treatment maintained hemoglobin levels in DBA mouse models for 9 months.
Vehicle control mice showed significant hemoglobin decreases compared to treated mice.
RNA-seq revealed OTS167 downregulated NUPR1 and enriched gene sets related to cell proliferation.

Cite This Study

Nair et al. (2025) studied this question.

synapsesocial.com/papers/69362f444fa91c937236d576 https://doi.org/10.1182/blood-2025-3216

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Implication

In vitro and in vivo tests show OTS167 improves anemia by enhancing erythropoiesis in diamond blackfan anemia models, suggesting new therapeutic potential.

Small molecule OTS167 increases erythropoiesis and improves anemia in diamond blackfan anemia models in vitro and In Vivo

Discussion

Member takes

Implication

Key Points

Cite This Study

Small molecule OTS167 increases erythropoiesis and improves anemia in diamond blackfan anemia models in vitro and In Vivo

Discussion

Member takes

Implication

Key Points

Cite This Study

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Also Consider