Results 211 to 220 of about 16,687 (259)

Patterned ELR‐Gelatin Hydrogels Enable Rapid Endothelial Monolayer Formation via Bioactive Matrix Chemistry and Surface Topography

Advanced Healthcare Materials, EarlyView.
Micro‐ and nano‐patterned elastin‐like recombinamer (ELR) hydrogels integrate bioactive matrix chemistry with defined surface topography. The combined cues promote rapid endothelial cell capture, alignment, and monolayer formation on soft substrates.
Jagoda Litowczenko, Yannick Richter, Martyna Michalska, Piotr Paczos, Karine Tadevosyan, Daniel Uribe, Jose Carlos Rodriguez‐Cabello, Ioannis Papakonstantinou, Angel Raya   +8 more
wiley   +1 more source

A Novel Drug‐Loaded Porous Parylene Electrode for Targeted Anti‐Inflammatory Therapy and Hearing Preservation in Cochlear Implantation

Advanced Healthcare Materials, EarlyView.
A porous parylene‐coated electrode loaded with dexamethasone was developed to reduce inflammation after cochlear implantation. In guinea pigs, the device provided sustained drug release, maintained biocompatibility, improved auditory brainstem response thresholds, and reduced inflammatory cell infiltration and TNF‐α expression.
Chi‐Chieh Chang, Ying‐Chang Lu, Yu‐Ming Chang, Yen‐Hui Chan, Hong‐Yu Yan, Yi‐Shan Lee, Pei‐Hsuan Lin, Cheng‐Yu Hsieh, Chuan‐Jen Hsu, Tien‐Chen Liu, Hsien‐Yeh Chen, Chen‐Chi Wu   +11 more
wiley   +1 more source

New Approach to the Cryopreservation of GV Oocytes and Cumulus Cells through the Lens of Preserving the Intercellular Gap Junctions Based on the Bovine Model. [PDF]

Int J Mol Sci
Yurchuk T, Likszo P, Witek K, Petrushko M, Skarzynski DJ.   +4 more
europepmc   +1 more source

A Circular RNA Derived from the Pumilio 1 Gene Could Regulate PTEN in Human Cumulus Cells. [PDF]

Genes (Basel)
Caponnetto A, Ferrara C, Fazzio A, Agosta N, Scribano M, Vento ME, Borzì P, Barbagallo C, Stella M, Ragusa M, Scollo P, Barbagallo D, Purrello M, Di Pietro C, Battaglia R.   +14 more
europepmc   +1 more source

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The mechanism of cumulus cell‐oocyte uncoupling: Evidence for the participation of both cumulus cells and oocytes

Gamete Research, 1982
AbstractCumulus cells are metabolically coupled to oocytes via heterologous gap junctions. This coupling terminates near the time of ovulation, and the termination appears to be correlated with the mucification of the cumulus cells lying immediately adjacent to the oocytes.
John J. Eppig, Patricia F. Ward‐Bailey
openaire   +1 more source

Effect of intraovarian factors on porcine follicular cells: cumulus expansion, granulosa and cumulus cell progesterone production

Animal Reproduction Science, 2001
The role of granulosa cell conditioned media (CM) containing luteinization stimulator (LS), and the role of EGF in the cumulus expansion of oocyte-cumulus complexes (OCC) isolated from large antral follicles was investigated. The CM were prepared by incubation of granulosa cells isolated from large antral follicles.
M, Jezová, S, Scsuková, E, Nagyová, J, Vranová, R, Procházka, J, Kolena   +5 more
openaire   +2 more sources

Production of Cloned Goats from Enucleated Oocytes Injected with Cumulus Cell Nuclei or Fused with Cumulus Cells

Cloning, 2001
This study was designed to produce cloned goats from cumulus cells. Cloning donor nuclei were from cumulus cells either freshly isolated or cultured in vitro. Enucleated oocytes were either injected with cumulus cell nuclei without piezo-driven manipulator (injection method) or fused with cumulus cells (fusion method).
X, Zou, Y, Chen, Y, Wang, J, Luo, Q, Zhang, X, Zhang, Y, Yang, H, Ju, Y, Shen, W, Lao, S, Xu, M, Du   +11 more
openaire   +2 more sources

Role of Cumulus Cells in Oocyte Maturation

1982
Resumption of meiosis (oocyte maturation) is normally triggered by the preovulatory LH surge, and the first meiotic division is completed at the time of follicle rupture. The mature follicle has receptors for LH both in the theca and granulosa cells but no specific LH receptors have been demonstrated on the oocyte itself.
T, Hillensjö, C, Magnusson, C, Ekholm, H, Billig, L, Hedin   +4 more
openaire   +2 more sources

Susceptibility of human cumulus cells to bisphenol a In vitro

Reproductive Toxicology, 2017
Bisphenol A (BPA) is detectable in follicular fluid. However, the effect of BPA exposure on human cumulus cells (CC) that surround the oocyte and are crucial for oocyte competence has been largely unexplored. We exposed primary cultures of CC to increasing concentrations of BPA [0,0.002, 0.02 and 20μg/mL] and tested the effects of BPA on the expression
Abdallah, Mansur, Michal, Adir, Catherine, Racowsky, Catherine Mh, Combelles, Natalie, Landa, Ronit, Machtinger   +5 more
openaire   +2 more sources

Production of pyruvate by isolated mouse cumulus cells

Journal of Experimental Zoology, 1985
AbstractCumulus cells were isolated by hyaluronidase treatment of whole cumulus masses from superovulated, non‐mated mice. The cells, in groups of approximately 200, were incubated for up to 4 h in 50 nl medium M2 at 37°C, and serial 3‐nl samples assayed for pyruvate using an ultramicrofluorescence technique. With 5.55 mM glucose, 23.3 mM lactate, or a
H J, Leese, A M, Barton
openaire   +2 more sources