Results 151 to 160 of about 3,467,558 (398)

Characterization of Transepithelial Potential Oscillations in the \u3cem\u3eDrosophila\u3c/em\u3e Malpighian Tubule [PDF]

open access: yes, 2001
The Malpighian tubule of Drosophila melanogaster is a useful model system for studying the regulation of epithelial ion transport. In acutely isolated tubules, the transepithelial potential (TEP) undergoes large oscillations in amplitude with a period of
Blumenthal, Edward M
core   +1 more source

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

The multifaceted role of calcium signaling dynamics in neural cell proliferation and gliomagenesis

open access: yesAIMS Biophysics
Calcium (Ca2+) signaling plays a pivotal role in coordinating neural stem cell (NSC) proliferation across various cell cycle stages, regulating immediate early gene transcription, and governing processes like quiescence and cell division.
Ola A Al-Ewaidat   +3 more
doaj   +1 more source

The mechanism by which potassium causes neurite retraction in lamprey descending neurons in cell culture [PDF]

open access: yes, 2004
only availableSevere spinal cord injury (SCI) disrupts descending axons from reticulospinal (RS) neurons that project to the spinal cord. In most “higher” vertebrates, including humans, recovery is very minimal due to limited regeneration in the central ...
Le, MyChi   +4 more
core  

Arterial pressure and heart rate responses to calcium channel blockers administered in the brainstem in rats. [PDF]

open access: bronze, 1985
Satoru Higuchi   +5 more
openalex   +1 more source

Retrotransposon Expression Is Upregulated in Adulthood and Suppressed during Regeneration of the Limb in the Axolotl (Ambystoma mexicanum)

open access: yesAdvanced Biology, EarlyView.
The axolotl's remarkable regenerative abilities decline with age, the causes may include the numerous repetitive elements within its genome. This study uncovers how Ty3 retrotransposons and coexpression networks involving muscle and immune pathways respond to aging and regeneration, suggesting that transposons respond to physiological shifts and may ...
Samuel Ruiz‐Pérez   +8 more
wiley   +1 more source

The Potential for Extracellular Vesicles in Nanomedicine: A Review of Recent Advancements and Challenges Ahead

open access: yesAdvanced Biology, EarlyView.
Extracellular vesicles (EVs) play a dual role in diagnostics and therapeutics, offering innovative solutions for treating cancer, cardiovascular, neurodegenerative, and orthopedic diseases. This review highlights EVs’ potential to revolutionize personalized medicine through specific applications in disease detection and treatment.
Farbod Ebrahimi   +4 more
wiley   +1 more source

Omega-conotoxin: direct and persistent blockade of specific types of calcium channels in neurons but not muscle. [PDF]

open access: green, 1987
Edwin W. McCleskey   +6 more
openalex   +1 more source

RhoA and Rac1 as Mechanotransduction Mediators in Colorectal Cancer

open access: yesAdvanced Biology, EarlyView.
Analysing RhoA and Rac1 protein levels in Colorectal cancer (CRC) samples under mechanical strain highlights their potential as diagnostic markers. Monitoring their activity could offer valuable insights into how cancer spreads, paving the way for new approaches to better understand and diagnose colorectal cancer.
Sharda Yadav   +5 more
wiley   +1 more source

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