Results 41 to 50 of about 405,250 (376)

Targeting PI3K in cancer: any good news?

open access: yesFrontiers in Oncology, 2013
The phosphatidylinositol 3-kinase (PI3K) signaling pathway regulates several cellular processes and it’s one of the most frequently deregulated pathway in human tumors.
Miriam eMartini   +3 more
doaj   +1 more source

NF2/merlin in hereditary neurofibromatosis 2 versus cancer: biologic mechanisms and clinical associations. [PDF]

open access: yes, 2013
Inactivating germline mutations in the tumor suppressor gene NF2 cause the hereditary syndrome neurofibromatosis 2, which is characterized by the development of neoplasms of the nervous system, most notably bilateral vestibular schwannoma.
Angelo, Laura S   +2 more
core   +3 more sources

Class I phosphatidylinositol 3-kinase inhibitors for cancer therapy

open access: yesActa Pharmaceutica Sinica B, 2017
The phosphatidylinositol 3-kinase (PI3K) pathway is frequently activated in human cancers. Class I PI3Ks are lipid kinases that phosphorylate phosphatidylinositol 4,5-bisphosphate (PIP2) at the 3-OH of the inositol ring to generate phosphatidylinositol 3,
Wennan Zhao, Yuling Qiu, Dexin Kong
doaj   +1 more source

Insulin Action on Polyunsaturated Phosphatidic Acid Formation in Rat Brain: An “In Vitro” Model with Synaptic Endings from Cerebral Cortex and Hippocampus [PDF]

open access: yes, 2009
The highly efficient formation of phosphatidic acid from exogenous 1-stearoyl-2-arachidonoyl-sn-glycerol (SAG) in rat brain synaptic nerve endings (synaptosomes) from cerebral cortex and hippocampus is reported.
Giusto, Norma Maria   +2 more
core   +1 more source

The impact of PIK3CA mutations and PTEN expression on the effect of neoadjuvant therapy for postmenopausal luminal breast cancer patients

open access: yesBMC Cancer, 2023
Background There is pressing needs to find the biomarker in the selection of neoadjuvant therapy in postmenopausal luminal breast cancer patients. We examined the hypothesis that PIK3CA mutations and low phosphatase and tensin homolog (PTEN) expression ...
Shouko Hayama   +14 more
doaj   +1 more source

Regulation of T cell alloimmunity by PI3Kγ and PI3Kδ

open access: yesNature Communications, 2017
Phosphatidylinositol-3-kinases (PI3K) γ and δ are key regulators of T cell signaling. Here the author show, using mouse heart allograft transplantation models, that PI3Kγ or PI3Kδ deficiency prolongs graft survival, but selective inhibition of PI3Kγ or ...
Mayuko Uehara   +14 more
doaj   +1 more source

Do anionic phospholipids serve as cofactors or second messengers for the regulation of activity of cloned ATP-sensitive K+ channels? [PDF]

open access: yes, 2003
The regulation of ion channels by anionic phospholipids is currently very topical. An outstanding issue is whether phosphatidylinositol 4,5-diphosphate and related species act as true second messengers in signaling or behave in a manner analogous to an ...
Clapp, LH   +4 more
core   +1 more source

Insights into Activation Mechanisms of Store-Operated TRPC1 Channels in Vascular Smooth Muscle. [PDF]

open access: yes, 2020
In vascular smooth muscle cells (VMSCs), the stimulation of store-operated channels (SOCs) mediate Ca2+ influx pathways which regulate important cellular functions including contraction, proliferation, migration, and growth that are associated with the ...
Albert, AP   +3 more
core   +1 more source

Differential fMet-Leu-Phe- and Platelet-activating Factor-induced Signaling Toward Ral Activation in Primary Human Neutrophils [PDF]

open access: yes, 1999
We have measured the activation of the small GTPase Ral in human neutrophils after stimulation with fMet- Leu-Phe (fMLP), platelet activating factor (PAF), and granulocyte macrophage-colony stimulating factor and compared it with the activation of ...
Bos, J.L.   +5 more
core   +2 more sources

Deletion within the Src homology domain 3 of Bruton's tyrosine kinase resulting in X-linked agammaglobulinemia (XLA). [PDF]

open access: yes, 1994
The gene responsible for X-linked agammaglobulinemia (XLA) has been recently identified to code for a cytoplasmic tyrosine kinase (Bruton's agammaglobulinemia tyrosine kinase, BTK), required for normal B cell development. BTK, like many other cytoplasmic
Chen, SH   +11 more
core   +1 more source

Home - About - Disclaimer - Privacy