Results 241 to 250 of about 129,713 (294)

Oocyte–cumulus cell interaction: a key factor in early embryo development

Biological Reviews, EarlyView.
ABSTRACT The evaluation of oocyte competence is a fundamental step in achieving successful outcomes following assisted reproduction techniques (ART). At present, however, conventional oocyte maturation assessment is carried out by morphological observation, which is a subjective method that does not consider molecular features.
Marc Torres‐Garrido, Marc Yeste, Yentel Mateo‐Otero   +2 more
wiley   +1 more source

RNA‐centric world of retroviruses: unravelling the molecular strategies of genomic RNA packaging

Biological Reviews, EarlyView.
ABSTRACT Retroviruses constitute a unique group of RNA viruses that have profoundly influenced both evolutionary trajectories and biomedical research. Their ability to reverse transcribe and integrate into host genomes has shaped genomic architecture across species and contributed to our understanding of oncogenes, gene regulation, and RNA biology ...
Mohammad Abdullah Jehad, Suresha G. Prabhu, Lizna M. Ali, Vineeta N. Pillai, Farah Mustafa, Tahir A. Rizvi   +5 more
wiley   +1 more source

Stafib‐2‐CR: an Improved Nanomolar and Selective Inhibitor of the Transcription Factor STAT5b Developed by Conformational Restriction of Stafib‐2

Chemistry – A European Journal, EarlyView.
Conformational restriction strategies to increase the activity and selectivity of the STAT5b inhibitor Stafib‐2 are presented. The best conformationally restricted inhibitor Stafib‐2‐CR has threefold higher activity against STAT5b than Stafib‐2. A cell‐permeable prodrug of Stafib‐2‐CR inhibits phosphorylation of STAT5b in cultured human leukemia cells ...
Theresa Münzel, Angela Berg, Christoph Protzel, Sylvie Schäfer, Alexander Jensen‐Feinhals, Thorsten Berg   +5 more
wiley   +1 more source

Monosubstituted N‐Arylhydroxylamine Chemistry: Integrating Contemporary Synthetic Approaches for the Efficient Construction of Diverse Heterocyclic Scaffolds

Chemistry – A European Journal, EarlyView.
Monosubstituted N‐arylhydroxylamines represent a unique subclass of hydroxylamines that act as pivotal intermediates in redox transformations and as versatile platforms for further synthetic transformations. They serve as key building blocks in the synthesis of architecturally complex heterocycles and other valuable organic compounds.
Michael G. Kallitsakis, Kyriakos D. Nikopoulos, Ioannis N. Lykakis   +2 more
wiley   +1 more source

Precision Chemistry for Protein Lysine Modification

Chemistry – A European Journal, EarlyView.
Selective modification of lysine residues is challenging due to their similar intrinsic reactivity. Inspired by enzymatic recognition, ligand‐guided electrophiles enable site‐selective labeling and functionalization, while ligand‐guided catalyses achieve regioselective installation of bio‐relevant post‐translational modifications.
Mayu Onoda, Motomu Kanai
wiley   +1 more source

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Leukemia inhibitory factor: Association with intraamniotic infection

American Journal of Obstetrics and Gynecology, 1994
Our purpose was to investigate whether leukemia inhibitory factor is associated with intraamniotic infection.A comparative clinical study of amniotic fluid leukemia inhibitory factor concentrations was performed.Leukemia inhibitory factor was undetectable (< 1 ng/ml) by radioreceptor assay during normal pregnancy at midtrimester and at term.
Paul M Waring, Roberto Romero, Ricardo Gomez   +2 more
exaly   +5 more sources

Modulation of leukemia inhibitory factor gene expression and protein biosynthesis in the human fallopian tube

American Journal of Obstetrics and Gynecology, 1996
OBJECTIVE: The fallopian tube is the site of fertilization and early embryonic growth and a common site of ectopic implantation. Although the factors responsible for early embryogenesis and implantation are incompletely understood, leukemia inhibitory ...
Erkut Attar, David L Olive, Harvey J Kliman   +2 more
exaly   +2 more sources

The leukemia inhibitory factor (LIF)

The International Journal of Cell Cloning, 1991
Leukemia inhibitory factor (LIF) is a glycoprotein able to enforce differentiation and/or suppress clonogenic self-renewal in a number of myeloid leukemic cell lines. When acting on normal embryonic stem cells, it has the opposite action of preventing differentiation commitment.
openaire   +2 more sources

Expression of leukemia inhibitory factor in craniopharyngioma

Endocrine Pathology, 1999
It has recently been reported that overexpression of leukemia inhibitory factor (LIF) in mice transgenic for LIF causes invagination of the anterior wall of Rathke's pouch leading to the formation of cysts lined by LIF immunoreactive epithelial cells. Strong immunoreactivity was also found in human Rathke's cleft cysts.
A, Tran, K, Kovacs, L, Stefaneanu, G, Kontogeorgos, B W, Scheithauer, S, Melmed   +5 more
openaire   +2 more sources

Leukemia Inhibitory Factor in Human Reproduction

American Journal of Reproductive Immunology, 1998
PROBLEM: Leukemia inhibitory factor (LIF) is a pleiotropic cytokine of the interleukin‐6 family and has different biological actions in various tissue systems. Although named for its ability to inhibit proliferation of a myeloid leukemic cell line by inducing differentiation, it also regulates the growth and differentiation of embryonic stem cells ...
L M, Senturk, A, Arici
openaire   +2 more sources