What does this research mean for the field?

Specific protein kinases are uniquely essential for distinct stages of human trophoblast development, with BUB1B, PAK6, PKYMT1, and TNIK required for stem-state maintenance, PKCζ for syncytiotrophoblast development, and PTK2B, SRC, TRIO, and LYN for extravillous trophoblast development. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Identify stage-specific active protein kinases and molecular pathways required for human trophoblast stem cell maintenance and lineage differentiation into specialized placental cell types.

August 30, 2026The FASEB JournalOpen Access

An Integrated Proteomics and Genomics Approach to Identify Essential Protein Kinases During Human Trophoblast Development

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Authors

RKRajnish KumarUniversity of Kansas Medical Center PDPurbasa DasguptaUniversity of Kansas SRSoma Ray

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Implication

Multiomics analysis reveals stage-specific protein kinases regulating human trophoblast development, indicating potential targets vulnerable to pharmacological disruption during pregnancy.

Key Points

Identify stage-specific active protein kinases and molecular pathways required for human trophoblast stem cell maintenance and lineage differentiation into specialized placental cell types.
Cultured human trophoblast stem cells (hTSCs) in undifferentiated stem states and differentiated them into syncytiotrophoblasts (STBs) and extravillous trophoblasts (EVTs).
Performed quantitative, label-free liquid chromatography-tandem mass spectrometry (LC-MS/MS) to profile the proteome and phosphoproteome, integrating these findings with global gene expression data.
Identified that the kinases BUB1B, PAK6, PKYMT1, and TNIK are specifically required to sustain the undifferentiated hTSC stem state.
Demonstrated that the atypical protein kinase C isoform PKCζ is essential for STB differentiation, whereas PTK2B, SRC, TRIO, and LYN selectively drive EVT development.

Cite This Study

Kumar et al. (2026) studied this question.

synapsesocial.com/papers/6a93efe56c1a8fb52e79bf21 https://doi.org/10.1096/fj.202600627rr

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Implication

Multiomics analysis reveals stage-specific protein kinases regulating human trophoblast development, indicating potential targets vulnerable to pharmacological disruption during pregnancy.

An Integrated Proteomics and Genomics Approach to Identify Essential Protein Kinases During Human Trophoblast Development

Discussion

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Implication

Key Points

Cite This Study

An Integrated Proteomics and Genomics Approach to Identify Essential Protein Kinases During Human Trophoblast Development

Discussion

Member takes

Implication

Key Points

Cite This Study

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