8/25/2014

Coenzyme Q10 Introduction

Coenzyme Q10 is one of the important members of coenzyme Q, it is a kind of quinone compounds. Also called ubiquinone, Wan Youkun, oxidation type coenzyme Q10 derivatives. Crystalline powder yellow or pale orange yellow, odorless, taste. The melting point 4752 C. Soluble in chloroform, benzene, acetone, petroleum ether, ethyl ether, slightly dissolved in ethanol, insoluble in water, methanol. The structure of isopentenyl, receive light easy decomposition, that become darker in color (reddish material).
Coenzyme Q10 widely exists in yeast, plant leaves and seeds, as well as the animal heart, spleen, liver and kidney. In the human body, ubiquinone mainly concentrated in the liver, heart, kidney, adrenal gland, coenzyme Q10, estimates the total content in 0.5~1.5g.

In clinical, coenzyme Q10 is an important antioxidant and immune enhancer. Mainly used for the treatment of heart diseases (such as myocardial infarction, angina pectoris, arrhythmia, etc.), sinus Heartbeat auxiliary treatment speed, beat, hypertension and cancer, and comprehensive treatment for acute and chronic viral hepatitis, subacute pulmonary necrosis. It is a method to improve the metabolism of cardiac edema, liver, lung water filling and angina, and has good effects on patients with congestive heart failure, ischemic heart failure can make the symptoms and ECG changes. As the non-specific immune enhancer, it can be used for viral hepatitis, subacute liver necrosis, fulminant hepatitis induced brain edema in the comprehensive treatment, can prolong the survival time, reduce the mortality rate. Also comprehensive treatment for cancer patients, in order to improve their immune function.

8/06/2014

Bone sialoprotein (BSP) Introduction

Bone sialoprotein (BSP) is an acidic, noncollagenous glycoprotein abundantly bidding in mineralized tissues. Although BSP is frequently acclimated as a brand of osteoblast differentiation, the role of the protein in osteoblast action is unclear. BSP belongs to the SIBLING (Small Integrin-binding LIgand N-linked Glycoprotein) ancestors of RGD-containing cast proteins, several associates of which accept been apparent to affect corpuscle differentiation. The accustomed levels of BSP announcement in osteoblasts were accurately adapted by CMV-mediated adenoviral overexpression in primary osteoblasts or inhibition by an RNA interference-based action in the MC3T3E1 corpuscle line. Alternatively, osteoblast cultures were supplemented with recombinant BSP protein. Quantitative real-time PCR was acclimated to adviser the mRNA levels of the osteoblast-related archetype factors Osterix and Runx2 as able-bodied as the osteoblast-specific gene osteocalcin. As markers of osteoblast differentiation, acrid phosphatase agitator activity, Runx2-luciferase anchorman action and calcein assimilation into mineralized cultures were aswell measured. The overexpression of BSP added osteoblast-related gene announcement as able-bodied as calcium assimilation and birthmark accumulation by osteoblast cultures. Similarly, supplementation of osteoblast cultures with recombinant BSP added several markers of osteoblast differentiation. Conversely, abolishment of BSP announcement by small-hairpin RNA-encoding plasmids inhibited announcement of osteoblast markers and birthmark formation. Overexpression of several functional-domain mutants of BSP approved that increases in osteoblast-related gene announcement and cast mineralization empiric in BSP overexpression models are advised by the integrin-binding RGD burden begin abreast the C-terminus of the protein. These after-effects authenticate that BSP may serve as a matrix-associated arresting anon announcement osteoblast adverse consistent in the added assembly of a mineralized matrix.