Cited by 17Developmental Biology and Gene RegulationCongenital heart defects researchPluripotent Stem Cells Research

A Tlx2-Cre mouse line uncovers essential roles for hand1 in extraembryonic and lateral mesoderm

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Maska, Emily L., Cserjesi, Peter, Hua, Lisa L., Garstka, Meghan E., Brody, Heather M., Morikawa, Yuka·2010·genesis

Abstract

Hand1 regulates development of numerous tissues within the embryo, extraembryonic mesoderm, and trophectoderm. Systemic loss of Hand1 results in early embryonic lethality but the cause has remained unknown. To determine if Hand1 expression in extraembryonic mesoderm is essential for embryonic survival, Hand1 was conditionally deleted using the HoxB6-Cre mouse line that expresses Cre in extraembryonic and lateral mesoderm. Deletion of Hand1 using HoxB6-Cre resulted in embryonic lethality identical to systemic knockout. To determine if lethality is due to Hand1 function in extraembryonic mesoderm or lateral mesoderm, we generated a Tlx2-Cre mouse line expressing Cre in lateral mesoderm but not extraembryonic tissues. Deletion of Hand1 using the Tlx2-Cre line results in embryonic survival with embryos exhibiting herniated gut and thin enteric smooth muscle. Our results show that Hand1 regulates development of lateral mesoderm derivatives and its loss in extraembryonic mesoderm is the primary cause of lethality in Hand1-null embryos.

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Crossref · 10.1002/dvg.20644

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  • Hand1 and Foxf1 are required for mesoderm development.

    “both of which are required for mesoderm development”

    From Single-Cell Transcriptomics Reveals Early Emergence of Liver Parenchymal and Non-parenchymal Cell Lineages (2020) · cites this paper as Maska et al., 2010

    The paper’s main text (indexed under Abstract; page unavailable) reports essential roles for Hand1 in extraembryonic and lateral mesoderm, including enteric smooth muscle organization. It does not address Foxf1, and its Hand1 findings concern specific mesodermal tissues rather than mesoderm development generally (searched: Foxf1 and Foxf1 required for mesoderm development). (LLM, conf=0.88)

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Research works printed but not linked: 2

  1. Lowe LA Yamada S Kuehn MR HoxB6-Cre transgenic mice express Cre recombinase in extra-embryonic mesoderm, in lateral plate and limb mesoderm and at the midbrain/hindbrain junction Genesis 2000 26 118 120 10686603
  2. Parisi MA Baldessari AE Iida MH Clarke CM Doggett B Shirasawa S Kapur RP Genetic background modifies intestinal pseudo-obstruction and the expression of a reporter gene in Hox11L1-/- mice Gastroenterology 2003 125 1428 1440 14598259

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Authors
Maska, E. L., Cserjesi, P., Hua, L. L., Garstka, M. E., Brody, H. M., & Morikawa, Y.
Affiliations
Tulane University (US)
Corresponding author
Morikawa, Yuka
Venue
genesis
Publisher
Wiley
Published
2010-08
Volume
48
Issue
8
Pages
479-484
ISSN
  • 1526-954X (ISSN-L)
  • 1526-968X
OpenAlex
W2150720049
Cited by
17
References
23
Citations by year
2025: 4 · 2024: 2 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 1 · 2017: 1 · 2016: 1 · 2015: 1 · 2013: 1
FWCI
0.39
Type
journal article
Language
en
Open access
Locations
  • genesis (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Science Foundation (0529746)
  • American Heart Association
  • National Institutes of Health (5r01ns015547-39, NS15547)
  • National Institute of Neurological Disorders and Stroke (R01-NS015547, NS 15547)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
Keywords
HAND1, conditional gene deletion, extraembryonic mesoderm, lateral mesoderm, trophectoderm, embryonic lethality
MeSH terms
Animals, beta-Galactosidase, Embryo, Mammalian, Female, Immunohistochemistry, Lac Operon, Male, Mesoderm, Mice, Inbred C57BL, Mice, Transgenic, Mice, Knockout, Homeodomain Proteins, Gene Expression Regulation, Developmental, Integrases, Gastrointestinal Tract, Mice, Basic Helix-Loop-Helix Transcription Factors, Basic Helix-Loop-Helix Proteins

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