Human microbiome – the new frontier in medicine?

‘Antibiotics heal but they also cause damage’- this adage is well known and now probably better understood. With the advent of Next Generation Sequencing (NGS), exploring the world of the micro organisms has become easier. And as they say, ‘truth is stranger than fiction’; the results of such studies are giving some startling facts about the bacteria that co-inhabit our bodies. Like each individual has a unique DNA or fingerprint, it is now being realized that we might have unique microbiome signature!!!!

The microbiota in our body is known to influence our good health. Recent evidence has linked the microbiome with different diseases. In fact, at least one parasitic protozoa - Toxoplasmosis gondii - has been shown to affect behaviour in rats. The protozoa reproduces only in cats, and studies have shown that when mice or rats are infected with it, the protozoan makes them less afraid of cats, and they are, therefore, more likely to be eaten by them.

Understanding microbiome and their interaction not only with their host but also between themselves are giving lot of food for thought in channelling our views of manipulating this micro-ecosystem in our body for desirable results. A case in point here is the role  and benefit of probiotics and as Prof David Relman (one of the pioneers in the field of microbiome research) puts it “The hesitation right now is there aren't a lot of good data. Most clinicians will say, 'I don't personally think it's doing much, but it can't hurt so if you feel better, why not.' I think there may be some real benefits, but I also think we have imprecise probiotic options now. So we're giving these somewhat irrelevant microorganisms to people, and yet they do seem to have some beneficial effects”(source -http://www.sfgate.com/health/article/Sequencing-of-human-microbiome-fills-knowledge-gap-3683156.php)

Therefore now is the right time to make maximum use of the data we derive from studying our microbiota and look at these organisms in a different perspective rather than thinking about them as our “enemies”. Also, I sincerely hope that pharma/biotech and nutraceutical companies collaborate to find better solutions to the diseases that we face today!