Results 161 to 170 of about 673,597 (383)

Regulation of the G2/M Transition in Rodent Oocytes [PDF]

open access: yes, 2010
Regulation of maturation in meiotically competent mammalian oocytes is a complex process involving the carefully coordinated exchange of signals between the somatic and germ cell compartments of the ovarian follicle via paracrine and cell–cell coupling ...
Downs, Stephen
core   +2 more sources

Adult Human Mesenchymal Stem Cell Differentiation to the Osteogenic or Adipogenic Lineage Is Regulated by Mitogen-activated Protein Kinase*

open access: yesJournal of Biological Chemistry, 2000
Adult human mesenchymal stem cells are primary, multipotent cells capable of differentiating to osteocytic, chondrocytic, and adipocytic lineages when stimulated under appropriate conditions.
R. Jaiswal   +5 more
semanticscholar   +1 more source

UGDH Lactylation Aggravates Osteoarthritis by Suppressing Glycosaminoglycan Synthesis and Orchestrating Nucleocytoplasmic Transport to Activate MAPK Signaling

open access: yesAdvanced Science, EarlyView.
Lactylation of UDP‐glucose dehydrogenase (UGDH) represses its enzymatic activity and causes glycosaminoglycans loss. In addition, UGDH lactylation facilitates its interaction with chromosome region maintenance 1 (CRM1) and promotes the nucleocytoplasmic transport.
Weiren Lan   +8 more
wiley   +1 more source

Differential effects of ERK and p38 signaling in BMP-2 stimulated hypertrophy of cultured chick sternal chondrocytes [PDF]

open access: yes, 2005
Background During endochondral bone formation, the hypertrophy of chondrocytes is accompanied by selective expression of several genes including type X collagen and alkaline phosphatase.
Golden, E.B.   +3 more
core   +3 more sources

Rho Family GTPases Regulate p38 Mitogen-activated Protein Kinase through the Downstream Mediator Pak1 (*)

open access: yesJournal of Biological Chemistry, 1995
The stress-activated p38 mitogen-activated protein (MAP) kinase defines a subgroup of the mammalian MAP kinases that appear to play a key role in regulating inflammatory responses.
Shengjia Zhang   +6 more
semanticscholar   +1 more source

Nuclear Translocation of S100A9 Triggers Senescence of Human Amnion Fibroblasts by De‐Repressing LINE1 Via Heterochromatin Erosion at Parturition

open access: yesAdvanced Science, EarlyView.
This study shows that the classical secretory protein S100 calcium‐binding protein A9 (S100A9) can translocate to the nucleus upon de‐phosphorylation at Thr 113 in human amnion fibroblasts at parturition, where S100A9 induces heterochromatin erosion through segregation of the heterochromatin maintenance protein, resulting inLong Interspersed Nuclear ...
Fan Zhang   +8 more
wiley   +1 more source

Quantum walks and signal transduction pathways [PDF]

open access: yesarXiv, 2012
Signal transduction pathways recover a crucial role in cellular processes: they represent a connection between environmental conditions and cellular reactions. There are many pathways and they all are related to create a network. But how can every protein find the right way more fast than possible? How can it find the right down-streaming kinase in the
arxiv  

Octacalcium phosphate crystals directly stimulate expression of inducible nitric oxide synthase through p38 and JNK mitogen-activated protein kinases in articular chondrocytes [PDF]

open access: yes, 2005
Basic calcium phosphate (BCP) crystals, including hydroxyapatite, octacalcium phosphate (OCP) and carbonate-apatite, have been associated with severe osteoarthritis and several degenerative arthropathies.
Ea, Hang-Korng   +3 more
core   +6 more sources

Cardiac Muscle Cell Hypertrophy and Apoptosis Induced by Distinct Members of the p38 Mitogen-activated Protein Kinase Family*

open access: yesJournal of Biological Chemistry, 1998
p38 mitogen-activated protein (MAP) kinase activities were significantly increased in mouse hearts after chronic transverse aortic constriction, coincident with the onset of ventricular hypertrophy.
Yibin Wang   +6 more
semanticscholar   +1 more source

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