Results 71 to 80 of about 44,455 (257)

Primary cultures of chick osteocytes retain functional gap junctions between osteocytes and between osteocytes and osteoblasts [PDF]

open access: yes, 2008
The inaccessibility of osteocytes due to their embedment in the calcified bone matrix in vivo has precluded direct demonstration that osteocytes use gap junctions as a means of intercellular communication.
Ishihara, Yoshihito   +6 more
core   +1 more source

Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?

open access: yesAdvanced Functional Materials, EarlyView.
This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee   +7 more
wiley   +1 more source

DHT deficiency perturbs the integrity of the rat seminiferous epithelium by disrupting tight and adherens junctions

open access: yesFolia Histochemica et Cytobiologica, 2011
In rats with a DHT deficiency induced by finasteride, morphological changes in the seminiferous epithelium were observed. The structural alterations were manifested by the premature germ cells sloughing into the lumen of seminiferous tubules.
Barbara Wiszniewska   +3 more
doaj   +1 more source

Swelling‐Programmed Topographical Guidance for Dynamic Spheroid Self‐Assembly via a Mechanochemical Hydrogel Niche

open access: yesAdvanced Functional Materials, EarlyView.
A swelling‐programmed micropatterned hydrogel guides adherent cells through a controlled transition from cell–matrix anchoring to cadherin‐mediated cell–cell compaction, enabling rapid assembly of high‐viability spheroids with defined size and morphology.
Han Gyeol Nam   +8 more
wiley   +1 more source

RhoGEF Ect2 supports RhoA activity at cell–cell junctions through desmoplakin

open access: yesLife Science Alliance
We describe a mechanism by which the desmosome component, desmoplakin, can recruit and control the activity of the contractile signaling regulator RhoA at cardiomyocyte and keratinocyte intercellular junctions, with implications for cardiocutaneous ...
Hoda Zarkoob   +8 more
doaj   +1 more source

Gap junction protein connexin43 exacerbates lung vascular permeability. [PDF]

open access: yesPLoS ONE, 2014
Increased vascular permeability causes pulmonary edema that impairs arterial oxygenation and thus contributes to morbidity and mortality associated with Acute Respiratory Distress Syndrome and sepsis.
James J O'Donnell   +3 more
doaj   +1 more source

The 43-kD polypeptide of heart gap junctions: immunolocalization, topology, and functional domains [PDF]

open access: yes, 1989
Analysis by SDS-PAGE of gap junction fractions isolated from heart suggests that the junctions are comprised of a protein with an Mr 43,000. Antibodies against the electroeluted protein and a peptide representing the 20 amino terminal residues bind ...
Austin, Brian J.   +4 more
core   +1 more source

Nanodiamond Quantum Sensors for Probing Free Radical Biology

open access: yesAdvanced Functional Materials, EarlyView.
Free radicals play key roles in cellular signaling and disease but remain difficult to measure in living systems. Nanodiamonds (NDs) with nitrogen‐vacancy (NV) centers enable quantum sensing of local magnetic noise via T₁ relaxometry, providing nondestructive radical detection in living cells.
Qi Lu, Yingke Wu, Tanja Weil
wiley   +1 more source

The Peptidoglycan-Binding Protein SjcF1 Influences Septal Junction Function and Channel Formation in the Filamentous Cyanobacterium Anabaena

open access: yesmBio, 2015
Filamentous, heterocyst-forming cyanobacteria exchange nutrients and regulators between cells for diazotrophic growth. Two alternative modes of exchange have been discussed involving transport either through the periplasm or through septal junctions ...
Mareike Rudolf   +9 more
doaj   +1 more source

The structural organization and protein composition of lens fiber junctions. [PDF]

open access: yes, 1989
The structural organization and protein composition of lens fiber junctions isolated from adult bovine and calf lenses were studied using combined electron microscopy, immunolocalization with monoclonal and polyclonal anti-MIP and anti-MP70 (two putative
Ehring, GR   +3 more
core   +2 more sources

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