Growth Promoting Effect of Hyaluronan Synthesis Promoting Substances on Japanese Eel Leptocephali

Growth Promoting Effect of Hyaluronan Synthesis Promoting Substances on Japanese Eel Leptocephali

Hyaluronans (HAs) are glycosaminoglycans produced in the bodies of Anguilliform and Elopiform leptocephali, and play a role in metabolic energy. In mammals, HA synthesis-promoting substances (HASPS) up-regulate the expression of HA synthase (HAS) and increase the amount of HA in the body. In this study, Japanese eel leptocephali were fed a HASPS containing diet. We analyzed HAS1s and HAS2 expre...

Growth-promoting substances from bacteriological filter pads.

Gelatin as a Source of Growth-Promoting Substances for Bacteria.

In the course of studies on the nutritional requirements of some of the more exacting bacteria it wase found that the addition of certain brands of gelatin to a simplified synthetic medium caused growth of a number of bacteria which were unable to develop in the same medium without the gelatin. The use of gelatin in amounts ordinarily employed for culture media produced results which were compa...

Growth-promoting effect of acid mucopolysaccharides on Ehrlich ascites tumor.

The effect of acid mucopolysaccharides on the growth of hypotetraploid Ehrlich ascites tumor was investigated using chondroitin sulfate and crude hyaluronic acid. Chondroitin sulfate solution was given s.c. into the right flank of SM mice, followed immediately by Ehrlich tumor. Average tumor weights in chondroitin sulfate-treated groups on Days 3 and 8 after tumor inoculation were 2-3 times as ...

The Promoting Effect of Ishige sinicola on Hair Growth

This study was conducted to evaluate the promoting effect of Ishige sinicola, an alga native to Jeju Island, Korea, on hair growth. When vibrissa follicles were cultured in the presence of I. sinicola extract for 21 days, I. sinicola extract increased hair-fiber length. After topical application of I. sinicola extract onto the back of C57BL/6 mice, anagen progression of the hair shaft was induc...