The finding that a lead researcher falsified data in a widely heralded stem-cell research paper is a setback for Japan’s efforts to promote its advanced research, but also a symptom of the pressure for breakthroughs in the field, experts say.
a (lead) researcher
in a (widely heralded stem-cell research) paper
for (Japan’s) efforts
(its advanced) research
(also) a symptom (of the pressure)
for breakthroughs (in the field)