Results 111 to 120 of about 198,084 (294)

Bod1, a novel kinetochore protein required for chromosome biorientation [PDF]

open access: yes, 2007
We have combined the proteomic analysis of Xenopus laevis in vitro–assembled chromosomes with RNA interference and live cell imaging in HeLa cells to identify novel factors required for proper chromosome segregation. The first of these is Bod1, a protein
McClelland, Sarah E.   +25 more
core   +1 more source

Intravenous Lipopolysaccharide Challenge in Healthy Participants Reveals Pharmacodynamic Markers in Blood and Bone Marrow for Early‐Phase Oncology Drug Development

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Demonstrating pharmacological effects in early‐phase oncology clinical trials remains challenging, largely due to the lack of robust pharmacodynamic markers. Lipopolysaccharide (LPS) is used as an immune challenge agent in healthy participants to study drugs for autoimmune conditions.
Igor Radanović   +11 more
wiley   +1 more source

Cell Polarity and Morphogenesis: Functions and Mechanisms of Cell Divisions in Vertebrate Gastrulation [PDF]

open access: yes, 2004
Gastrulation shapes a vertebrate embryo from an egg-shaped aggregate of cells. In many vertebrates, massive cell divisions occur during gastrulation. In this thesis, I investigate the pattern, function, and regulation of mitotic divisions in zebrafish ...
Gong, Ying, Ying Gong
core   +1 more source

Primary Pulmonary Mesenchymal Neoplasm With EWSR1::CREM Fusion: Cytologic Findings and Molecular Diagnosis

open access: yesDiagnostic Cytopathology, EarlyView.
ABSTRACT Background Primary pulmonary mesenchymal neoplasms with EWSR1::CREM fusion are rare. These lesions are challenging to diagnose by morphology and immunohistochemistry alone. Case A 66‐year‐old woman (ex‐smoker) was found to have a 1.3‐cm right lower lobe lung nodule that had grown very slowly over a 9‐year period.
Priya Upadhyay   +2 more
wiley   +1 more source

Epithelioid Enigma: Proximal‐Type Epithelioid Sarcoma in Cyst Fluid Cytology

open access: yesDiagnostic Cytopathology, EarlyView.
ABSTRACT Epithelioid sarcoma (ES) is a rare, aggressive soft tissue malignancy with substantial morphologic overlap with other epithelioid neoplasms, creating diagnostic difficulty in cytology specimens. We report proximal‐type ES identified in cyst fluid from a lesion clinically interpreted as an epidermal inclusion cyst or abscess.
Nathan McGrath   +2 more
wiley   +1 more source

New Roles of Chk1 in Spindle Formation and Genome Integrity

open access: yesBiology
During mitosis sister chromatids are accurately segregated into two daughter cells through a microtubule-based structure known as the mitotic spindle. Errors in mitotic spindle formation have been associated with human diseases and tumorigenesis.
Sofia Balafouti   +2 more
doaj   +1 more source

USP9X stabilizes XIAP to regulate mitotic cell death and chemoresistance in aggressive B‐cell lymphoma

open access: yesEMBO Molecular Medicine, 2016
The mitotic spindle assembly checkpoint (SAC) maintains genome stability and marks an important target for antineoplastic therapies. However, it has remained unclear how cells execute cell fate decisions under conditions of SAC‐induced mitotic arrest ...
Katharina Engel   +22 more
doaj   +1 more source

The chromosomal passenger complex and the spindle assembly checkpoint: kinetochore-microtubule error correction and beyond

open access: yesCell Division, 2008
During mitosis, correct bipolar chromosome attachment to the mitotic spindle is an essential prerequisite for the equal segregation of chromosomes. The spindle assembly checkpoint can prevent chromosome segregation as long as not all chromosome pairs ...
Maia André F   +2 more
doaj   +1 more source

Embryonic development of the Mediterranean starfish Hacelia attenuata

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Starfish play essential ecological roles as predators and ecosystem regulators; however, detailed developmental descriptions exist for only a handful of species, none of which are from the Mediterranean Sea. Results In this study, we provide the first full account of the development of the Mediterranean starfish Hacelia attenuata ...
Silvia Caballero‐Mancebo   +3 more
wiley   +1 more source

A proteomic investigation of forebrain regeneration in the leopard gecko (Eublepharis macularius)

open access: yesDevelopmental Dynamics, EarlyView.
Our investigation reveals ontogenetic, injury‐ and regeneration‐associated proteomic changes in the leopard gecko forebrain. Abstract Background The ability to replace lost or damaged neurons following an injury is termed reactive neurogenesis. Although reactive neurogenesis has been reported in several lizard species, the molecular mechanisms ...
Alexandra I. Noble   +2 more
wiley   +1 more source

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