Báo cáo Y học: The a1b1 contact of human hemoglobin plays a

Báo cáo Y học: The a1b1 contact of human hemoglobin plays a key role in stabilizing the bound dioxygen Further evidence from the iron valency hybrids potx

... 211 The a1 b1 contact of human hemoglobin plays a key role in stabilizing the bound dioxygen Further evidence from the iron valency hybrids Jun pei Yasuda 1 , Takayuki Ichikawa 1 , Mie Tsuruga 1 , ... 4). Similarly, Shaanan [31] reported the stereochemistry of the iron -dioxygen bond in human HbO 2 by single-crystal X-ray analysis. In...

Ngày tải lên : 31/03/2014, 15:20

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Báo cáo khoa học: Expression and characterization of cyanobacterium heme oxygenase, a key enzyme in the phycobilin synthesis Properties of the heme complex of recombinant active enzyme potx

... open-chain tetrapyrroles are produced from biliverdin that is a product of heme degradation. Accordingly, the chlorophyll and phycobilin syntheses share the pathway of protoporohyrin synthesis from ... d-aminolevulinic acid [1,2]. Phycobilins work as the main photoreceptor of photosyn- thesis in procaryophyta, cyanobacteria and other primitive eucaryotic algae. Phycobilin...

Ngày tải lên : 23/03/2014, 20:22

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Báo cáo y học: "Low temperature tolerance of human embryonic stem cells"

... 48h. The corresponding karyotypes (A2 to E2) were analyzed by the ISIS imaging software (Metasystems GmbH, Altussheim, Germany). In all experimental groups analyzed, no chromosomal translocations ... temperature tolerance of hESC with respect to their survivability, undifferentiated state and chromosomal normality. Physiologically, mammalian cells are naturally adapted to a c...

Ngày tải lên : 31/10/2012, 16:57

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Báo cáo y học: "ene expression analysis of human red blood cells"

... expression profiling of human erythrocyte could be an important key for under- standing the machinery of anucleate protein synthesis and its meaning in the pathophysiology of diseases. Acknowledgements ... protein synthesis in human platelets by megakaryo- cyte-derived mRNAs 19 . The finding of RNA in anucleate cells like erythrocytes support the idea of n...

Ngày tải lên : 03/11/2012, 10:58

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Báo cáo Y học: Proteasome-driven turnover of tryptophan hydroxylase is triggered by phosphorylation in RBL2H3 cells, a serotonin producing mast cell line pptx

... phosphorylation of TPH. In this experiment, the amount of the PKA-catalytic subunit and that of the other agents added were optimized using rat phenylalanine hydroxylase (PAH, molecular mass of 55 ... contaminated the preparation) was clearly phosphorylated (Fig. 3A) . When an effort was made to enhance the autoradiograph image ( 32 P panel in Fig. 3B), a faint and dif...

Ngày tải lên : 08/03/2014, 16:20

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Báo cáo Y học: Substrate speciﬁcity of human kallikrein 2 (hK2) as determined by phage display technology docx

... reveal that an arginine appears in 40 clones at the P1 site and only one peptide is cleaved at a lysine. Among the substrates hydrolysed at an arginine, 11 different amino acids appeared at the ... selective inhibitors for cancer chemotherapy as well as accelerate the discovery of new targets. Phage display has already opened new avenues in kallikrein research that may furthe...

Ngày tải lên : 31/03/2014, 23:20

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Báo cáo khoa học: Cytosol–mitochondria transfer of reducing equivalents by a lactate shuttle in heterotrophic Euglena docx

... respectively. These data suggested that in Euglena, oxalate also slightly inhibited enzymes (probably pyruvate kinase and preceding enzymes) involved in the glycolytic pathway, although glycolysis was ... availability and that iLDHs play a key role in the transfer of reducing equivalents from the cytosol to the res- piratory chain (lactate shuttle). Keywords: energy me...

Ngày tải lên : 30/03/2014, 20:20

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Báo cáo y học: "An unusual case of gout in the wrist: the importance of monitoring medication dosage and interaction. A case report"

... body not only the lower limb. Patients should be aware of the signs and symptoms of an acute gouty attack and be made aware that changes in certain medication dosages may precipitate an attack. ... days later and were read by a radiologist. The radiographs revealed well-marginated juxta-articular bony erosions at the radial styloid process and the dorsal rim of the dista...

Ngày tải lên : 25/10/2012, 10:06

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Báo cáo y học: "Spindle Cell Lipoma of the Hypopharynx"

... Immunohistochemical examination for pathological diagnosis indicated a spindle cell lipoma. Conclusions: Laryngeal and hypopharyngeal lipomas are rare forms of benign laryngeal neoplasms. Their asymptomatic ... laryngoscopy did not reveal any masses at bilateral pyriform sinuses, and the mucosa had a natural appearance. However, a mass with a stalk was detected in the si...

Ngày tải lên : 25/10/2012, 10:51

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Báo cáo y học: "Aplasia and Agenesis of the Frontal Sinus in Turkish Individuals: A Retrospective Study Using Dental Volumetric Tomograph"

... above a line tangential to the supraorbital margin. Frontal sinus aplasia was also defined by an oval-shaped sinus with the lateral margin medial to a vertical line drawn through the middle of ... By the age of 8 years, the top of the frontal sinuses is at the level of the orbital roof, and by the age of 10 years, the sinuses extend into the vertical por...

Ngày tải lên : 25/10/2012, 11:04

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