THE GENETIC MAP OF ASIA
Science from Asia was on the cover of Nature in
December 2020. An ambitious project called Genome Asia 100K is behind
this. The project was launched in 2016 to fill the gap in genetic data
from Asia. Though Asians comprise 40% of the world population, only 6%
of the worlds recorded genetic data is from here.
The goal of the project is to sequence the genomes of
100,000 Asians. Genome Asia 100K is a non-profit organization which has
shown remarkable cooperative effort between academia and industry. It is
being hosted by Nanyang Technological University, Singapore while the
industrial support has come from MedGenome in India, Macrogen from South
Korea and Genentech from the US.
The pilot study published in Nature details the
genetics of 1739 people from across Asia. And the findings are
interesting. It appears that while the genetic data from Europe points
towards a single ancestry, the Asian data suggests at least 10 different
lineages.
Genomic data was sequenced in people from India,
Malaysia, China, Mongolia, Korea, Philippines, Pakistan, Papua New
Guinea, Japan and Russia. Further data crunching was conducted in
powerful supercomputers in Singapore. A hold on genetic big data will be
the gateway to innovation in newer drugs and personalized medical
therapies.
(Nature 4 December 2019)
SNAKE BITES – A FRESH LOOK
The anti-venoms available in India are against the
‘Big Four’ - the spectacled cobra, the common krait, Russell’s viper and
the saw scaled viper. The manufacturing protocols have not changed an
iota over the past 100 years. The various other species which cause
serious envenomation have been completely neglected.
Kartik Sunagar, an evolutionary biologist from Indian
Institute of Science Bangalore, along with herpetologists in Chennai and
Mysore recently published important data about the venom composition of
the neglected yet medically important Indian snakes. They found that the
currently available anti-venoms had poor efficacy against many neglected
snakes. They also found large inter-species differences in venom
composition depending on the area where they were found. The group is
now working with anti-venom manufacturers to develop region specific
anti-venoms.
Globally many innovative products are also in the
pipeline. Presently only 15% of the antibodies in commercial anti-venoms
actually target snake toxins. So scientists are trying to develop
specific antitoxins in the laboratory, which can be used as and when
required. Another new molecule is Varespladib, which targets
phospholipase A2 found in a wide range of snake venom. This could fill a
critical gap in the prehospital treatment of snake bites. It is
refreshing to see ground level research into important neglected medical
problems of India. (PLoS Negl Trop Dis 2019)
WHERE IS ALL OUR HEALTH DATA GOING?
Data is the new oil. Large companies like Amazon and
Google mine it to further economic interests. But what happens to all
the health care data collected at the national level by the government?
Health Information analyst Arunima Mukherjee and colleagues have written
an eye opening article in the Economic and Political Weekly.
We are just beginning our entry into the data
collection era. It behooves us to understand the intricacies of what
data is being collected, who gets to see it, what the implications are
and what action results from all this data which gets collected using
public money.While ministries of health are primary users of data, there
are increasingly major corporate interests involved in the development
and management of data systems, for example, in the health insurance
sector.
Around 2006 when the National Rural Health Mission
analyzed its data from three states, they found that less than 3% of the
data collected was used to generate health indicators. Unnecessary data
collection added a huge burden on the health worker reducing their time
for actual health care. They then decided that no data must be collected
more than once (eg, under more than one health program) and only
pertinent data may be collected.
Currently almost no data is made public to citizens.
Another cause for concern is the individual data collected without
adequate privacy standards and regulation. Are the gargantuan
investments in information technology in healthcare rewarded by
justifiable gains? We need a systematic evaluation,review and
self-improvement strategy. (Economic & Political Weekly 4 January 2020)