Archives
- 2026-04
- 2026-03
- 2026-02
- 2026-01
- 2025-12
- 2025-11
- 2025-10
- 2025-09
- 2025-03
- 2025-02
- 2025-01
- 2024-12
- 2024-11
- 2024-10
- 2024-09
- 2024-08
- 2024-07
- 2024-06
- 2024-05
- 2024-04
- 2024-03
- 2024-02
- 2024-01
- 2023-12
- 2023-11
- 2023-10
- 2023-09
- 2023-08
- 2023-07
- 2023-06
- 2023-05
- 2023-04
- 2023-03
- 2023-02
- 2023-01
- 2022-12
- 2022-11
- 2022-10
- 2022-09
- 2022-08
- 2022-07
- 2022-06
- 2022-05
- 2022-04
- 2022-03
- 2022-02
- 2022-01
- 2021-12
- 2021-11
- 2021-10
- 2021-09
- 2021-08
- 2021-07
- 2021-06
- 2021-05
- 2021-04
- 2021-03
- 2021-02
- 2021-01
- 2020-12
- 2020-11
- 2020-10
- 2020-09
- 2020-08
- 2020-07
- 2020-06
- 2020-05
- 2020-04
- 2020-03
- 2020-02
- 2020-01
- 2019-12
- 2019-11
- 2019-10
- 2019-09
- 2019-08
- 2019-07
- 2018-07
-
In addition to peroxyl radicals
2023-05-15

In addition to peroxyl radicals, the most found radical forms in biological systems, some of assays took into account other free radicals such as superoxide anion, hydroxyl, hydrogen peroxide, singlet oxygen and peroxynitrite. ORAC procedure was also modified using different radical sources such as
-
Both AD and dyslipidemias are
2023-05-15

Both AD and dyslipidemias are global public health problems, and an increase in their incidence over the next decades is expected. Among many triggering elements, the increase in life expectancy is one of the main risk factors associated with the increase in the incidence of AD. Meanwhile, dyslipide
-
Another research group assessed pairs of middle aged
2023-05-15

Another research group assessed 8503 pairs of middle-aged (Fmoc-Gly-OPfp sale the twin exposed to surgery had lower scores on cognitive tests in 49% of the pairs. Twins aged 70 and older who underwent hip and knee arthroplasty scored higher on cognitive tests, even higher than those who had not unde
-
When added to the culture medium
2023-05-12

When added to the culture medium, extracellular ATP is metabolized into adenosine by ectonucleotidases, and ARs are then activated by adenosine with concentrations in the micromolar range [27]. However, our study showed that activation of ARs by exogenous adenosine could not induce the odontoblastic
-
br Results The newly synthesized leucine ureido derivatives
2023-05-06

Results The newly synthesized leucine ureido derivatives were firstly evaluated for their enzymatic inhibition using porcine kidney APN (Microsomal, Biocol) with bestatin as the positive control (Table 1). One isoleucine ureido derivative 14 and phenylglycine ureido derivative 15 were also synthe
-
br Material and methods br Results br Discussion Aminopeptid
2023-05-06

Material and methods Results Discussion Aminopeptidase N is a transmembrane protease present in a wide variety of human tissues and cell types (endothelial, epithelial, fibroblast, leukocyte). APN expression is dysregulated in inflammatory diseases as well as in solid and hematologic tumors
-
br Perspectives br Acknowledgments This investigation was su
2023-05-06

Perspectives Acknowledgments This investigation was supported by a Research Grant 2010/01385-5 from FAPESP (Sao Paulo Research Foundation, Brazil). P.F.S. was recipient of a CNPq (National Council for Scientific and Technological Development, Brazil) productivity grant. R.F.A. was recipient of
-
Consideration of the rate of
2023-05-06

Consideration of the rate of product formation at different substrate concentrations and estimation of Michaelis-Menten parameters gives some insight into the possible mechanisms underlying the observed decreases in enzyme activity. Estimates based on two-substrate concentrations lack precision and
-
Modulating the ability of tumor
2023-05-06

Modulating the ability of tumor Capsaicin to detoxify ROS is a key mechanism by which cysteine metabolism affects tumor cell survival. One study observed hypermethylation of cysteine dioxygenase (CDO1) in 60% of tested breast cancer samples, leading to increased ROS detoxification and tumor cell su
-
Glycerol dehydratase GDHt EC is
2023-05-06

Glycerol dehydratase (GDHt, EC 4.2.1.30) is a key enzyme for the bioconversion of glycerol into the value-added chemicals and thereby has recently attracted a great deal of attention as an essential component for metabolic engineering . GDHt carries out a radical-mediated turnover of glycerol into 3
-
The use of a single well identified molecule to induce
2023-05-06

The use of a single well-identified molecule to induce AChR clusters formation can simplify complicated cell manipulation procedures and may provide a more efficient means of developing biological substitutes for functional muscle tissue restoration in vivo. Pharmacological approaches dealing with b
-
In this study an in vitro AChE inhibition assay combined
2023-05-06

In this study, an in vitro AChE inhibition assay combined with UF-HPLC-ESI-Q-TOF/MS method was developed for rapid screening and identification of AChEI from the roots of C. chinensis Franch. Five compounds was found with AChE inhibitory activity and identified by the on-line DAD-ESI-Q-TOF/MS compar
-
The cellular mechanism underlying the CGS mediated
2023-05-06

The cellular mechanism underlying the CGS12066-mediated inhibition of glutamate release from hippocampal nerve terminals through presynaptic 5-HT1B receptors remains to be elucidated. 5-HT1B receptors are coupled to PTX-sensitive G proteins (Gi or Go) that have been shown to inhibit AC activity as w
-
br Conclusions Triptans are HT B D F
2023-05-06

Conclusions Triptans are 5-HT1B/1D/(1F) receptors agonists and are considered as the gold standard for acute migraine treatment that have been proven effective. Unfortunately, they are contraindicated in patients with cardiovascular diseases due to their vasoconstrictor (side) effects (MaassenVan
-
serine protease inhibitors br Experimental section br Compet
2023-05-06

Experimental section Competing interests Author's contributions Acknowledgement This research is partially supported by a seed fund for the Center for Drug Discovery and Translational Research (LS) and a research grant by Fujifilm (VPS and LS). The Sponsors played no roles in study desig
15558 records 353/1038 page Previous Next First page 上5页 351352353354355 下5页 Last page