Results 81 to 90 of about 880,315 (306)

Large scale structural analysis of protein tyrosine phosphatases

open access: yes, 2009
Protein tyrosine phosphatases (PTPs) are essential regulators of signal transduction pathways, and control, together with protein tyrosine kinases (PTKs), the reversible phosphorylation of tyrosine residues. PTPs are, from a structural biology viewpoint,
Barr, A.J., Knapp, S.
core   +1 more source

Effect of dietary tyrosine supplementation on slaughter performance and meat quality of Yufen 1 H line chicken

open access: yesSiliao yanjiu, 2022
The experiment was to study the effect of dietary tyrosine supplementation on slaughter performance and meat quality of Yufen 1 H line chickens. Eighty 21-week-old Yufen 1 H line chickens were randomly divided into five groups, with four replicates in ...
Xin-lei WANG   +7 more
doaj  

Cancer‐associated mutations in endometriosis reframe a benign disease through molecular oncology

open access: yesMolecular Oncology, EarlyView.
This review aims to comprehensively analyse cancer‐associated somatic mutations (CAMs) present in endometriotic lesions, emphasizing their biological roles, spatial distribution and implications for translational applications in medicine. By contextualizing a benign state within a genomic framework, this analysis seeks to establish its value as a ...
Clarissa Mujacic   +15 more
wiley   +1 more source

Structure and Dynamic Properties of Solid l-Tyrosine-Ethylester as Seen by 13C MAS NMR

open access: yes, 2016
13C MAS NMR experiments on solid l-tyrosine-ethylester with 13C in low natural abundance and in fully 13C enriched form are reported. The phenyl rings are found to undergo π flips with a rather low activation energy Ea = 50 ± 12 kJ mol-1.
Angelika Sebald (2688904)   +1 more
core   +1 more source

Molecular networks in FGF signaling: Flotillin-1 and Cbl-associated protein compete for the binding to fibroblast growth factor receptor substrate 2 [PDF]

open access: yes, 2012
Fibroblast growth factor receptor substrate 2 (FRS2α) is a signaling adaptor protein that regulates downstream signaling of many receptor tyrosine kinases.
Traub Stephanie   +11 more
core   +2 more sources

Effect of ageing and cataract formation on the Raman spectroscopic profile of human lens: An observational study

open access: yesIndian Journal of Ophthalmology
Purpose: To observe the spectroscopic profile of human lens in different age groups and varying grades of cataract and to use the data to arrive at differentiating molecular biology. Design: An observational cross-sectional study.
Ayasha Nishad, Praveen Malik, Taru Dewan
doaj   +1 more source

Intrapatient tumour heterogeneity and clonal evolution in an autopsy study of metastatic salivary gland cancer

open access: yesMolecular Oncology, EarlyView.
Tumour heterogeneity and clonal evolution of metastatic salivary gland cancer were evaluated in two patients with adenoid carcinoma and one patient with myoepithelial carcinoma. Radiology‐guided autopsy enabled multi‐region sampling (total samples n = 149), followed by whole‐genome sequencing and phylogenetic reconstruction (17 tumour samples, 4–7 per ...
Gerben Lassche   +10 more
wiley   +1 more source

Preparation of Molecularly Imprınted Polypyrrole Modified Gold Electrode for Determination of Tyrosine in Biological Samples

open access: yesInternational Journal of Electrochemical Science, 2018
In this paper, a novel electrochemical sensor based on molecularly imprinted polypyrrole film at gold electrode for selective and sensitive detection of tyrosine (Tyr) was fabricated.
Nihal Ermiş, Nihat Tınkılıç
doaj   +1 more source

Somatostatin receptor 4 (SSTR4) is a tumor suppressor in cutaneous and head & neck squamous cell carcinomas

open access: yesMolecular Oncology, EarlyView.
This study identifies somatostatin receptor 4 (Sstr4) as a critical tumor suppressor against skin and head/neck cancers (HNSCC, cSCC, and BCC). The loss of Sstr4 removes a check on cell growth, causing hyperactivation of the MAPK‐ERK signaling pathway (↑).
Ali Taqvi   +6 more
wiley   +1 more source

Partial FAK suppression promotes tumor growth, an effect reversed by macrophage p110δ PI3K inactivation

open access: yesMolecular Oncology, EarlyView.
Partial inhibition of focal adhesion kinase (FAK) can paradoxically promote tumor growth, rather than simply producing a weaker antitumor effect than that observed with strong FAK suppression. In breast cancer and melanoma models, targeting p110δ PI3K, particularly in macrophages, counteracted these tumor‐promoting effects, highlighting the importance ...
Lydia Xenou   +4 more
wiley   +1 more source

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