Functional roles of FGF signaling in early development of vertebrate embryos

V Kumar, RS Goutam, S Park, U Lee, J Kim - Cells, 2021 - mdpi.com
Fibroblast growth factors (FGFs) comprise a large family of growth factors, regulating diverse
biological processes including cell proliferation, migration, and differentiation. Each FGF …

The organizer and its signaling in embryonic development

V Kumar, S Park, U Lee, J Kim - Journal of developmental biology, 2021 - mdpi.com
Germ layer specification and axis formation are crucial events in embryonic development.
The Spemann organizer regulates the early developmental processes by multiple regulatory …

Two Homeobox Transcription Factors, Goosecoid and Ventx1.1, Oppositely Regulate Chordin Transcription in Xenopus Gastrula Embryos

V Kumar, Z Umair, U Lee, J Kim - Cells, 2023 - mdpi.com
The reciprocal inhibition between two signaling centers, the Spemann organizer (dorsal
mesoderm) and ventral region (mesoderm and ectoderm), collectively regulate the overall …

[HTML][HTML] Smad2 and Smad3 differentially modulate chordin transcription via direct binding on the distal elements in gastrula Xenopus embryos

V Kumar, Z Umair, S Kumar, U Lee, J Kim - Biochemical and Biophysical …, 2021 - Elsevier
Transforming growth factor (TGF) β/activin superfamily regulates diverse biological
processes including germ layer specification and axis patterning in vertebrates. TGFβ/activin …

Bmp4 Synexpression Gene, Sizzled, Transcription Is Collectively Modulated by Smad1 and Ventx1.1/Ventx2.1 in Early Xenopus Embryos

ZU Rehman, F Tayyaba, U Lee, J Kim - International Journal of Molecular …, 2022 - mdpi.com
Sizzled (Szl) is a secreted frizzled protein, having a sequence homology with the
extracellular cysteine-rich domain (CRD) of the Wnt receptor,'Frizzled'. Contrary to the other …

Ventx family and its functional similarities with nanog: involvement in embryonic development and cancer progression

S Kumar, V Kumar, W Li, J Kim - International Journal of Molecular …, 2022 - mdpi.com
The Ventx family is one of the subfamilies of the ANTP (antennapedia) superfamily and
belongs to the NK-like (NKL) subclass. Ventx is a homeobox transcription factor and has a …

Foxd4l1.1 Negatively Regulates Chordin Transcription in Neuroectoderm of Xenopus Gastrula

V Kumar, RS Goutam, Z Umair, S Park, U Lee, J Kim - Cells, 2021 - mdpi.com
Inhibition of the bone morphogenetic proteins (BMPs) is the primary step toward
neuroectoderm formation in vertebrates. In this process, the Spemann organizer of the …

[HTML][HTML] Goosecoid controls neuroectoderm specification via dual circuits of direct repression and indirect stimulation in Xenopus embryos

Z Umair, V Kumar, RS Goutam, S Kumar, U Lee… - Molecules and cells, 2021 - Elsevier
Spemann organizer is a center of dorsal mesoderm and itself retains the mesoderm
character, but it has a stimulatory role for neighboring ectoderm cells in becoming …

Bmp Signal Gradient Modulates Convergent Cell Movement via Xarhgef3.2 during Gastrulation of Xenopus Embryos

J Yoon, V Kumar, RS Goutam, SC Kim, S Park, U Lee… - Cells, 2021 - mdpi.com
Gastrulation is a critical step in the establishment of a basic body plan during development.
Convergence and extension (CE) cell movements organize germ layers during gastrulation …