A recombinant HGP44 inhibited HIV-1 replication at a 50% effective concentration of approximately 2.5 micromolar, the researchers note, somewhat less potently than did P. gingivalis extracts.
The recombinant protein vaccine is the third type of COVID-19 vaccine that China has provided to other countries, following inactivated vaccines and adenovirus vector vaccines.
In health, an early health and economic success is recombinant injectable insulin to alleviate diabetes, a disease that affects 463 million people worldwide.
The developers say the level of neutralizing antibody elicited by the vaccine is comparable to other COVID-19 recombinant protein vaccines and mRNA vaccines in the world.