Beyond triple-negative: germline MPL and SH2B3/LNK mutations reshape the genetic landscape of hereditary thrombocytosis

Camille Brzechffa; Angela Fleischman

doi:10.3324/haematol.2026.301678

August 20, 2026HaematologicaOpen Access

Beyond triple-negative: germline MPL and SH2B3/LNK mutations reshape the genetic landscape of hereditary thrombocytosis

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Key Points

To identify and characterize novel germline variants in MPL and SH2B3/LNK responsible for familial and triple-negative hereditary thrombocytosis.
Performed targeted genetic sequencing and pedigree analysis on individuals presenting with unexplained or triple-negative hereditary thrombocytosis.
Assessed the inheritance patterns and functional implications of identified germline MPL and SH2B3/LNK variants.
Identified pathogenic germline mutations in MPL and SH2B3/LNK in families presenting with inherited high platelet counts.
Demonstrated that non-canonical germline variants explain a substantial portion of hereditary thrombocytosis cases previously categorized as triple-negative.

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Implication

Genetic analysis reveals germline MPL and SH2B3 mutations in triple-negative thrombocytosis cases, highlighting new diagnostic markers for familial platelet disorders.

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Cite This Study

Brzechffa et al. (2026) studied this question.

synapsesocial.com/papers/6a895fd3ca7ade938187eb7d https://doi.org/10.3324/haematol.2026.301678

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Beyond triple-negative: germline MPL and SH2B3/LNK mutations reshape the genetic landscape of hereditary thrombocytosis

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Beyond triple-negative: germline MPL and SH2B3/LNK mutations reshape the genetic landscape of hereditary thrombocytosis

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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