Results 71 to 80 of about 58,639 (259)

Compensatory effects in the PI3K/PTEN/AKT signaling network following receptor tyrosine kinase inhibition [PDF]

open access: yes, 2011
Overcoming de novo and acquired resistance to anticancer drugs that target signaling networks is a formidable challenge for drug design and effective cancer therapy.
Bown, James L.   +5 more
core   +4 more sources

A PIP2 substitute mediates voltage sensor-pore coupling in KCNQ activation

open access: yesCommunications Biology, 2020
KCNQ family K+ channels (KCNQ1-5) in the heart, nerve, epithelium and ear require phosphatidylinositol 4,5-bisphosphate (PIP2) for voltage dependent activation.
Yongfeng Liu   +17 more
semanticscholar   +1 more source

Iron triggers TvPI4P5K proteostasis and Arf-mediated cell membrane trafficking to regulate PIP2 signaling crucial for multiple pathogenic activities of the parasitic protozoan Trichomonas vaginalis

open access: yesmBio
Trichomonas vaginalis is the etiologic agent of trichomoniasis, one of the most common non-viral sexually transmitted infections globally. Our previous work reported the role of phosphatidylinositol 4,5-bisphosphates (PIP2) signaling in the actin ...
Kuan-Yi Wu   +3 more
doaj   +1 more source

Transverse momentum dependent splitting functions at work: quark-to-gluon splitting

open access: yes, 2016
Using the recently obtained Pgq splitting function we extend the low x evolution equation for gluons to account for contributions originating from quark-to-gluon splitting.
Hentschinski, M., Kusina, A., Kutak, K.
core   +3 more sources

Trop2 and its overexpression in cancers: regulation and clinical/therapeutic implications. [PDF]

open access: yes, 2014
Trop2 is a transmembrane glycoprotein encoded by the Tacstd2 gene. It is an intracellular calcium signal transducer that is differentially expressed in many cancers. It signals cells for self-renewal, proliferation, invasion, and survival.
Bonavida, Benjamin, Shvartsur, Anna
core   +2 more sources

Aminoglycoside-Induced Phosphatidylserine Externalization in Sensory Hair Cells Is Regionally Restricted, Rapid, and Reversible [PDF]

open access: yes, 2008
The aminophospholipid phosphatidylserine (PS) is normally restricted to the inner leaflet of the plasma membrane. During certain cellular processes, including apoptosis, PS translocates to the outer leaflet and can be labeled with externally applied ...
Gale, Jonathan E   +4 more
core   +1 more source

Correlation of the differential expression of PIK3R1 and its spliced variant, p55α, in pan‐cancer

open access: yesMolecular Oncology, EarlyView.
PIK3R1 undergoes alternative splicing to generate the isoforms, p85α and p55α. By combining large patient datasets with laboratory experiments, we show that PIK3R1 spliced variants shape cancer behavior. While tumors lose the protective p85α isoform, p55α is overexpressed, changes linked to poorer survival and more pronounced in African American ...
Ishita Gupta   +10 more
wiley   +1 more source

Ezrin-related phosphoinositide pathway modifies RhoA and Rac1 in human osteosarcoma cell lines [PDF]

open access: yes, 2015
Selected Phosphoinositide-specific Phospholipase C (PI-PLC) enzymes occupy the convergence point of the broad range of pathways that promote Rho and Ras GTPase mediated signalling, which also regulate the activation of ezrin, a member of the ezrin ...
DELLA ROCCA, Carlo   +2 more
core   +1 more source

Andersen–Tawil Syndrome Is Associated With Impaired PIP2 Regulation of the Potassium Channel Kir2.1

open access: yesFrontiers in Pharmacology, 2020
Andersen–Tawil syndrome (ATS) type-1 is associated with loss-of-function mutations in KCNJ2 gene. KCNJ2 encodes the tetrameric inward-rectifier potassium channel Kir2.1, important to the resting phase of the cardiac action potential.
Reem Handklo-Jamal   +9 more
semanticscholar   +1 more source

Platelet Lysate–Enriched Human Induced Pluripotent Stem Cell–Derived Chondrocyte Sheets for Bone Defect Repair via Endochondral Ossification

open access: yesAdvanced Healthcare Materials, EarlyView.
Human iPSC‐derived hypertrophic chondrocyte sheet promotes bone regeneration. Abstract Bone defects are a major clinical challenge, primarily owing to the limited self‐healing capacity of bones and the high risk of complications associated with conventional treatment strategies.
Yiwei Chen   +9 more
wiley   +1 more source

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