Results 91 to 100 of about 236,944 (258)

Chick PTPσ regulates the targeting of retinal axons within the optic tectum [PDF]

open access: yes, 2002
Chick PTP (cPTP), also known as CRYP, is a receptor-like protein tyrosine phosphatase found on axons and growth cones. Putative ligands for cPTP are distributed within basement membranes and on glial end feet of the retina, optic nerve, and optic tectum,
Aricescu, AR   +5 more
core  

Data‐Independent Acquisition Mass Spectrometry in Tumor Classification and Cancer Biomarker Research

open access: yesMass Spectrometry Reviews, EarlyView.
Abstract Cancer treatment is far from optimal also because current classification systems do not reflect the complex molecular status of the tumor and its phenotype in sufficient detail. To construct molecular tumor classifiers, omics tools provide complex molecular data reflecting many aspects from genotype to phenotype.
Jan Simonik   +3 more
wiley   +1 more source

Evaluation of chicken embryo extract and egg yolk extract as alternatives to basic cell culture medium supplement

open access: yesBMC Research Notes
Background Fetal calf serum (FCS), an existing cell culture supplement, is effective but has several drawbacks, including being expensive, requiring a lengthy process of production, and requiring a hard currency. With this in mind, we planned to evaluate
Fregenet Mulugeta   +7 more
doaj   +1 more source

Applications of In Ovo Technique for the Optimal Development of the Gastrointestinal Tract and the Potential Influence on the Establishment of its Microbiome in Poultry

open access: yesFrontiers in Veterinary Science, 2016
As the current poultry production system stands, there is a period of time that newly hatched chicks are prevented from access to feed for approximately 48 to 72 hours.
Stephanie M Roto   +8 more
doaj   +1 more source

Navigating the Complexity: A Comprehensive Review of GSK‐3 Inhibition in Regenerative Medicine

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT Glycogen synthase kinase‐3 (GSK‐3) is a central regulator of numerous cellular signaling pathways, with critical roles in metabolism, proliferation, differentiation, and tissue regeneration. This review explores the multifaceted effects of pharmacological GSK‐3 inhibition across multiple body districts, focusing on its highly context‐dependent
Davide Schiroli   +5 more
wiley   +1 more source

The embryonic blood-CSF barrier has molecular elements for specific glucose transport and for the general transport of molecules via transcellular routes. [PDF]

open access: yes, 2010
In vertebrates, early brain development takes place at the expanded anterior end of the neural tube, which is filled with embryonic cerebrospinal fluid (E-CSF).
Bueno i Torrens, David, 1965-   +3 more
core   +1 more source

Biodiversity and bird welfare in evaluation of tourism impact and sustainability in arid environment

open access: yesPeople and Nature, EarlyView.
Abstract Nature‐based tourism is rapidly expanding in arid regions, raising concerns about its long‐term sustainability and potential impacts on biodiversity. However, empirical evidence evaluating its effects on both species diversity and animal welfare remains limited.
Esmat E. M. Elhassan   +7 more
wiley   +1 more source

Isoleucine at position 137 of haemagglutinin acts as a mammalian adaptation marker of H9N2 avian influenza virus

open access: yesEmerging Microbes and Infections
The H9N2 subtype of avian influenza virus (AIV) is widely distributed among poultry and wild birds and is also a threat to humans. During AIV active surveillance in Liaoning province from 2015 to 2016, we identified 10 H9N2 strains exhibiting different ...
Weiwei Ma   +5 more
doaj   +1 more source

Neuronal induction of mouse embryonic stem cells following coculture with chick embryonic somites [PDF]

open access: yes
purpose: The aim of the present study was to understand if EBs can promote generation of neurons following co – culture with chick embryo somites. Materials and Methods: The mouse ES cells, line Royan B1, were cultured in hanging drops to induce ...
سقا, محسن   +5 more
core  

Nitric oxide synthase in chick embryo retina during development [PDF]

open access: yes, 1996
High levels of nitric oxide synthase were found in the early stages of developing chick embryo retina. The enzyme activity sharply decreased up to 13-day-old chick embryo retina, when the level of the last embryonic day was reached. The results show that
Naso, Antonio   +11 more
core   +1 more source

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