Archives
- 2018-07
- 2019-07
- 2019-08
- 2019-09
- 2019-10
- 2019-11
- 2019-12
- 2020-01
- 2020-02
- 2020-03
- 2020-04
- 2020-05
- 2020-06
- 2020-07
- 2020-08
- 2020-09
- 2020-10
- 2020-11
- 2020-12
- 2021-01
- 2021-02
- 2021-03
- 2021-04
- 2021-05
- 2021-06
- 2021-07
- 2021-08
- 2021-09
- 2021-10
- 2021-11
- 2021-12
- 2022-01
- 2022-02
- 2022-03
- 2022-04
- 2022-05
- 2022-06
- 2022-07
- 2022-08
- 2022-09
- 2022-10
- 2022-11
- 2022-12
- 2023-01
- 2023-02
- 2023-03
- 2023-04
- 2023-05
- 2023-06
- 2023-07
- 2023-08
- 2023-09
- 2023-10
- 2023-11
- 2023-12
- 2024-01
- 2024-02
- 2024-03
- 2024-04
- 2024-05
- 2024-06
- 2024-07
- 2024-08
- 2024-09
- 2024-10
- 2024-11
- 2024-12
-
There is an opposite opinion indicating that EphB
2019-11-08
There is an opposite opinion indicating that EphB plays a role as cancer suppressor. Batlle et al. showed that loss of EphB expression represented a critical step in CRC progression, and CRCs that lacked EphB2 expression have been correlated with more advanced tumour stage, poor differentiation, and
-
At one time the biological effects of cAMP were thought
2019-11-07
At one time, the biological effects of cAMP were thought to be mediated exclusively by Protein Kinase A (PKA). Consistent with this, PKA inhibitors have been shown to reverse the effects of cAMP-elevating agents on VSMC proliferation [5]. However, we recently reported that cAMP-mediated inhibition o
-
br The synthesis of these
2019-11-07
The synthesis of these antagonists relied heavily on Stille and Suzuki coupling reactions. The preparation of the required building blocks is presented in . Reduction of ethyl 6-bromo-2-pyridinecarboxylate with diisobutylaluminum hydride in tetrahydrofuran followed by treatment with triisopropylsi
-
Prostaglandins PGs in particular PGE
2019-11-07
Prostaglandins (PGs), in particular PGE2 and PGF2α, play pivotal roles in human parturition by stimulating cervical ripening, myometrial contraction and fetal membrane rupture (Challis et al., 1997). In human pregnancy, the amnion is the principle source of PGE2 (Duchesne et al., 1978). In the amnio
-
PET CT static images of F CJ acquired at h
2019-11-07
PET/CT static images of F-CJ-042794 acquired at 1h p.i. from LNCaP tumour-bearing mice with/without co-injection of non-radioactive CJ-042794 (50μg) are shown in . The LNCaP tumours were clearly visualized in PET images with a moderate tumour-to-background contrast. High radioactivity accumulation w
-
br Experimental br Results and discussion br
2019-11-07
Experimental Results and discussion Conclusions The fungus Mucor circinelloides MUT44, previously shown to have ene-reductase activity [11], possesses ten genes coding for putative ene-reductases belonging to the Old Yellow Enzymes family. Since the reduction of CC double bonds is one of th
-
It is believed that emphysema
2019-11-07
It is believed that emphysema in smokers is mediated by proteases released from inflammatory nucleoside analogs that cause destruction of the extracellular matrix in alveolar septa [1]. Metalloprotease-12 is mainly released by macrophages and is considered the enzyme responsible for emphysematous l
-
We initially identified four putative Egr binding sites and
2019-11-07
We initially identified four putative Egr1 Flurbiprofen synthesis (−39/−36, −105/−102, −107/−104, and −227/−224) on the DBH proximal promoter. The deletion and mutagenesis experiments indicate that the motif at −227/−224 is required for Egr1-elicited reduction in DBH promoter activity. It remains t
-
92 8 It was hypothesized that if modafinil acts
2019-11-07
It was hypothesized that if modafinil acts primarily via a noradrenergic mechanism, Dbh −/− mice should be non-responsive since they completely lack NE. In contrast, if modafinil acts mainly through DA systems, these mice should be hypersensitive. Modafinil was tested in Dbh −/− mice using both loco
-
Upstream Stimulatory Factor USF binding to the E box
2019-11-07
Upstream Stimulatory Factor (USF) binding to the −65 E-box is required for the regulation of FAS promoter activity in fasting/feeding [97], [98]. DNA-PK are identified as a USF-interacting protein [99]. In response to feeding/insulin, the transient double-stranded DNA breaks occurred during the tran
-
The enzyme cyclooxygenase COX or prostaglandin endoperoxide
2019-11-07
The enzyme cyclooxygenase (COX) or prostaglandin endoperoxide H synthase (PGHS) is the key enzyme in the conversion of arachidonic 5-BrdU (AA) into prostaglandins (PGs) [1]. In 1991, researchers found that there were two isoforms of this enzyme called COX-1 and COX-2 with independent genes and diff
-
VHb expression in recombinant E coli expressing P H
2019-11-07
VHb expression in recombinant E. coli expressing P4H improved Hyp production, presumably by enhancing oxygen transfer. VHb expression contributed to improving growth and extending the period of exponential growth in both shaker flask culture and bioreactor fermentation. A similar phenomenon was also
-
br Introduction Hydrogen sulfide H
2019-11-07
Introduction Hydrogen sulfide (H2S) and nitric oxide (NO) are important gasotransmitters in the cardiovascular system and instrumental to the fine control of vascular tone [1] and cellular function [2]. NO is synthesized from l-arginine by calmodulin-dependent endothelial nitric oxide synthase (e
-
br Conclusions In this paper
2019-11-06
Conclusions In this paper we describe the recombinant expression and characterization of ParI, a C5-DNA-MTase from P. arcticus 273–4. To our knowledge, this is the first characterization of an orphan C5-DNA-MTase from a psychrophilic bacterium. The C5-DNA-MTase could not be expressed in regular E
-
Keeping the cofactor content oligomeric state subcellular lo
2019-11-06
Keeping the cofactor content, oligomeric state, subcellular localization, and membrane association in view, DHODH has been broadly divided into two classes, class 1 and class 2 [26], [27]. In many species it is present to either cytoplasm (Class 1) or to the inner mitochondrial membrane (or plasma m
14621 records 919/975 page Previous Next First page 上5页 916917918919920 下5页 Last page