Results 11 to 20 of about 220,716 (312)

Cell polarity and planar cell polarity (PCP) in spermatogenesis

open access: yesSeminars in Cell & Developmental Biology, 2018
In adult mammalian testes, spermatids, most notably step 17-19 spermatids in stage IV-VIII tubules, are aligned with their heads pointing toward the basement membrane and their tails toward the tubule lumen. On the other hand, these polarized spermatids also align across the plane of seminiferous epithelium, mimicking planar cell polarity (PCP) found ...
Haiqi, Chen   +5 more
openaire   +6 more sources

The cell biology of planar cell polarity [PDF]

open access: yesJournal of Cell Biology, 2014
Planar cell polarity (PCP) refers to the coordinated alignment of cell polarity across the tissue plane. Key to the establishment of PCP is asymmetric partitioning of cortical PCP components and intercellular communication to coordinate polarity between neighboring cells.
Devenport, Danelle, Danelle Devenport
openaire   +3 more sources

Loss of contact inhibition of locomotion in the absence of JAM-A promotes entotic cell engulfment

open access: yesiScience, 2022
Summary: Entosis is a cell competition process during which tumor cells engulf other tumor cells. It is initiated by metabolic stress or by loss of matrix adhesion, and it provides the winning cell with resources derived from the internalized cell. Using
Mariel F. Schwietzer   +8 more
doaj   +1 more source

Mechanisms of cell polarization [PDF]

open access: yesCurrent Opinion in Systems Biology, 2017
Cell polarization is a key step in the migration, development, and organization of eukaryotic cells, both at the single cell and multicellular level. Research on the mechanisms that give rise to polarization of a given cell, and organization of polarity within a tissue has led to new understanding across cellular and developmental biology.
Wouter-Jan, Rappel   +1 more
openaire   +2 more sources

Origins of Cell Polarity [PDF]

open access: yesCell, 1996
The authors thank Kathryn Ayscough, Ken Beck, Fred Chang, Yih-Tai Chen, Kent Grindstaff, and Jeremy Thorner for comments on the manuscript as well as colleagues who kindly provided preprints.
Drubin, David G, Nelson, W.James
openaire   +2 more sources

Membrane recruitment of the polarity protein Scribble by the cell adhesion receptor TMIGD1

open access: yesCommunications Biology, 2023
Scribble (Scrib) is a multidomain polarity protein and member of the leucine-rich repeat and PDZ domain (LAP) protein family. A loss of Scrib expression is associated with disturbed apical-basal polarity and tumor formation.
Eva-Maria Thüring   +9 more
doaj   +1 more source

Rho and Rab Family Small GTPases in the Regulation of Membrane Polarity in Epithelial Cells

open access: yesFrontiers in Cell and Developmental Biology, 2022
Membrane polarity, defined as the asymmetric distribution of lipids and proteins in the plasma membrane, is a critical prerequisite for the development of multicellular tissues, such as epithelia and endothelia.
Klaus Ebnet   +5 more
doaj   +1 more source

Cell Polarity and Morphogenesis: Functions and Mechanisms of Cell Divisions in Vertebrate Gastrulation [PDF]

open access: yes, 2004
Gastrulation shapes a vertebrate embryo from an egg-shaped aggregate of cells. In many vertebrates, massive cell divisions occur during gastrulation. In this thesis, I investigate the pattern, function, and regulation of mitotic divisions in zebrafish ...
Gong, Ying, Ying Gong
core   +1 more source

Polarized cells, polar actions

open access: yesJournal of Bacteriology, 1993
The recognition of polar bacterial organization is just emerging. The examples of polar localization given here are from a variety of bacterial species and concern a disparate array of cellular functions. A number of well-characterized instances of polar localization of bacterial proteins, including the chemoreceptor complex in both C. crescentus and E.
J R, Maddock, M R, Alley, L, Shapiro
openaire   +3 more sources

Cell Polarity from Cell Division [PDF]

open access: yesDevelopmental Cell, 2007
Apical-basal polarity of epithelial cells is critical for their symmetric versus asymmetric division and commonly thought to be established in interphase. In a novel type of cell division termed "mirror-symmetric", apical cell constituents accumulate during M-phase at the cleavage furrow, resulting in epithelial daughter cells with opposite apical ...
Knust, E., Huttner, W.
openaire   +3 more sources

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