Results 91 to 100 of about 94,714 (283)

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

open access: yesThe Anatomical Record, EarlyView.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman   +4 more
wiley   +1 more source

The lateral plate mesoderm

open access: yesDevelopment, 2020
ABSTRACTThe lateral plate mesoderm (LPM) forms the progenitor cells that constitute the heart and cardiovascular system, blood, kidneys, smooth muscle lineage and limb skeleton in the developing vertebrate embryo. Despite this central role in development and evolution, the LPM remains challenging to study and to delineate, owing to its lineage ...
Karin D. Prummel   +2 more
openaire   +2 more sources

Large, long range tensile forces drive convergence during [PDF]

open access: yes, 2018
Indirect evidence suggests that blastopore closure during gastrulation of anamniotes, including amphibians such as Xenopus laevis, depends on circumblastoporal convergence forces generated by the marginal zone (MZ), but direct evidence is lacking.
Davidson, Lance A.   +3 more
core   +1 more source

Pax1 and Pax9 activate Bapx1 to induce chondrogenic differentiation in the sclerotome. [PDF]

open access: yes, 2003
We have previously shown that the paired-box transcription factors Pax1 and Pax9 synergistically act in the proper formation of the vertebral column. Nevertheless, downstream events of the Pax1/Pax9 action and their target genes remain to be elucidated ...
Balling, Rudi   +4 more
core   +1 more source

Role of soft tissue and bone interactions in the developmental integration and modularity of the skull in neural crest‐specific gap junction alpha‐1 knockout mice

open access: yesThe Anatomical Record, EarlyView.
Abstract The vertebrate skull is composed of bones derived from neural crest cells and mesoderm. The evolutionary capacity of the skull has been linked, in part, to the emergence of neural crest cells; however, this increased capacity for evolutionary change requires that variation within neural crest‐ and mesoderm‐derived bones remains partly ...
Alyssa C. Moore   +5 more
wiley   +1 more source

Alternative Ways to Obtain Human Mesenchymal Stem Cells from Embryonic Stem Cells

open access: yesCells
Differentiation approaches to obtain mesenchymal stem cells (MSCs) have gradually developed over the last few decades. The problem is that different protocols give different MSC types, making further research difficult.
Nikita Onyanov   +5 more
doaj   +1 more source

A comparative molecular approach to mesodermal patterning in basal deuterostomes: the expression pattern of Brachyury in the enteropneust hemichordate Ptychodera flava [PDF]

open access: yes, 1999
This work concerns the formation of mesoderm in the development of an enteropneust hemichordate, Ptychodera flava, and the expression of the Brachyury gene during this process. Brachyury expression occurs in two distinct phases.
Cameron, R. Andrew   +4 more
core  

Establishment of Interspecies Somatic Cell Nuclear Transfer and Transgene‐Free Inducible Pluripotent Stem Cells for Versatile Conservation of the Germplasm Resource of Wild Boar

open access: yesAnimal Research and One Health, EarlyView.
Conserving genetic material and even increasing genetic diversity is critical. To conduct the conservation of wild boar germplasm resources, we have successfully obtained healthy cloned wild boars for the first time using interspecies somatic cell nuclear transfer and established transgene‐free iPSCs that can be used to conduct iterative rounds of gene
Chen Gao   +11 more
wiley   +1 more source

Neuronal differentiation and tissue engineering strategies for central neurous system injury repair

open access: yesBMEMat, EarlyView.
This review outlines tissue engineering advances for central nervous system (CNS) injury treatment, focusing on three core components: seed cells, inductive factors, and scaffold materials, with evaluation of their respective strengths and limitations. Tissue engineering for CNS injury repair.
Zhuqing Xia   +9 more
wiley   +1 more source

Myomaker and Myomixer are required for craniofacial myoblast fusion in zebrafish

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Craniofacial and trunk skeletal muscles are derived from different progenitor populations during development. Trunk skeletal muscles contain mostly multinucleated myofibers that are formed through myoblast fusion. However, myoblast fusion in craniofacial muscles and its molecular regulation are not well understood.
Zhanxiong Zhang   +3 more
wiley   +1 more source

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