User profiles for Stephanie Majkut

Stephanie Majkut

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[PDF][PDF] Mechanosensing by the lamina protects against nuclear rupture, DNA damage, and cell-cycle arrest

S Cho, M Vashisth, A Abbas, S Majkut, K Vogel, Y Xia… - Developmental cell, 2019 - cell.com
Whether cell forces or extracellular matrix (ECM) can impact genome integrity is largely unclear.
Here, acute perturbations (∼1 h) to actomyosin stress or ECM elasticity cause rapid and …

[PDF][PDF] Heart-specific stiffening in early embryos parallels matrix and myosin expression to optimize beating

S Majkut, T Idema, J Swift, C Krieger, A Liu, DE Discher - Current biology, 2013 - cell.com
In development and differentiation, morphological changes often accompany mechanical
changes [1], but it is unclear whether or when cells in embryos sense tissue elasticity. The …

[PDF][PDF] Stress sensitivity and mechanotransduction during heart development

S Majkut, PCDP Dingal, DE Discher - Current Biology, 2014 - cell.com
Early in embryogenesis, the heart begins its rhythmic contractions as a tube that helps perfuse
the nascent vasculature, but the embryonic heart soon changes shape and mechanical …

[PDF][PDF] Mechanical signaling coordinates the embryonic heartbeat

…, P Robison, M Tewari, K Vogel, SF Majkut… - Biophysical …, 2016 - cell.com
The heart is an active material which relies on robust signaling mechanisms between cells
in order to produce well-timed, coordinated beats. Dysfunction in this signaling results in …

Cardiomyocytes from late embryos and neonates do optimal work and striate best on substrates with tissue-level elasticity: metrics and mathematics

SF Majkut, DE Discher - Biomechanics and modeling in mechanobiology, 2012 - Springer
In this review, we discuss recent studies on the mechanosensitive morphology and function
of cardiomyocytes derived from embryos and neonates. For early cardiomyocytes cultured …

[HTML][HTML] Optimal development of matrix elasticity

S Majkut, T Idema, J Swift, C Krieger, A Liu… - Current biology …, 2013 - ncbi.nlm.nih.gov
In development and differentiation, morphological changes often accompany mechanical
changes [1], but it is unclear if or when cells in embryos sense tissue elasticity. The earliest …

[BOOK][B] Mechanical development and functional mechanosensitivity during early cardiogenesis

SF Majkut - 2013 - search.proquest.com
This thesis addresses the questions of when and how mechanical stiffness arises during
embryonic heart development and how mechanics affects early cardiomyocyte and …

[PDF][PDF] Stiffening of Embryonic Myocarium during Development Parallels Myosin and Matrix Expression and Dynamically Matches Cell Function

SF Majkut, DE Discher, J Swift - Biophysical Journal, 2013 - cell.com
Healthy heart function and structure, from the tissue to cellular scale, depends on establishment
of proper tissue mechanics. On the cellular scale, late embryonic, neonatal and adult …

[PDF][PDF] Elasticity of Developing Cardiac Tissue and Influence on Early Cardiomyocyte Beating

SF Majkut, DE Discher - Biophysical Journal, 2011 - cell.com
Recent studies have demonstrated the effects of cardiomyocyte mechanosensitivity to ECM
elasticity on beating physiology of 10 day chick embryo cardiomyocytes [1] and also of …

[PDF][PDF] As the Beating Heart Stiffens in Development, So does the Nuclear Lamina

S Cho, S Majkut, M Tewari, J Irianto, DE Discher - Biophysical Journal, 2016 - cell.com
The heart is the first organ to develop in vertebrate embryos, and coordinated beating of
cardiomyocytes is likely facilitated by structural proteins of the extracellular matrix, cytoskeleton, …