Category: Featured Papers


A digital biomarker of diabetes from smartphone-based vascular signals

The global burden of diabetes is rapidly increasing, from 451 million people in 2019 to 693 million by 20451. The insidious onset of type 2 diabetes delays diagnosis and increases morbidity2. Given the multifactorial vascular effects of diabetes, we hypothesized that smartphone-based photoplethysmography could provide a widely accessible digital biomarker for diabetes. y 20451.

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UCSF News Brief


Remembering John F. Murray, MD

It is with great sadness that we share the news that John F. Murray, Professor of Medicine emeritus, has passed away.Dr. Murray was tirelessly dedicated to what was then called San Francisco General Hospital (now, Zuckerberg San Francisco General Hospital & Trauma Center), where he was chief of pulmonology from 1966 until 1989.

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Researcher of the Month: Natalia Jura, PhD

Natalia Jura, PhD, is focused on how cells transmit signals via protein molecules on their surface to elucidate what goes wrong in cellular communication with cancer. “We are using cryogenic electron microscopy to tackle the structure of a class of these proteins called Receptor Tyrosine Kinases. These are the first studies that will allow us to look at these molecules as a whole piece, understand their architecture, and see how mutations change them.”

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Golgi localized β1-adrenergic receptors stimulate Golgi PI4P hydrolysis by PLCε to regulate cardiac hypertrophy

Beta blockers are among the most widely used drugs for treating heart failure.  It has long been thought that these drugs act on proteins, known as adrenergic receptors, that solely reside on cell surfaces.  A recent study by scientists at CVRI and the University of Michigan has discovered a previously unknown role for adrenergic receptors within cells. When beta blockers were developed, there were no considerations for their abilities to access internal adrenergic receptors.  This new knowledge can potentially lead to the development of drugs that are more effective in the treatment of cardiovascular disease.

https://elifesciences.org/articles/48167

 


A Bullfrog’s Powerful Defense Against Toxic Red Tides

 

As climate change raises ocean temperatures, fisheries and public health agencies closely monitor the waters for harmful algal blooms known as red tides. The algae in these blooms produce a neurotoxin that accumulates in shellfish, rendering them dangerous, or even lethal, for human consumption. Bullfrogs, however, have a natural defense in the form of a protein known as saxiphilin.

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