Archive for the ‘biotech/medical’ category

Aug 23, 2023

AI Takes On Drug Discovery

Posted by in categories: biotech/medical, robotics/AI

From target screening to image analysis, companies are using machine learning tools to explore the unknown.

Aug 23, 2023

Blood Protein Might Explain Why Exercise Keeps Our Brains Young

Posted by in categories: biotech/medical, chemistry, life extension, neuroscience

Step forward platelet factor 4 (PF4): this substance in the blood has been linked to the mental boost we get from exercise, the benefits of blood transfusions, and a protein associated with longevity, in three separate studies.

All three processes promote cognitive enhancement, meaning PF4 is something of a superpowered blood factor. The research was carried out by two teams from the University of California San Francisco (UCSF) in the US and the University of Queensland in Australia.

Platelets are cell fragments that play a critical role in the clotting process. Aside from serving as physical plugs that staunch bleeding, these small, non-nucleated chunks of bone marrow cell contain granules that release chemicals to promote aggregation.

Aug 23, 2023

Food delivery robots under attack from vandals, thieves

Posted by in categories: biotech/medical, business, food, robotics/AI

The popularity of remote food delivery skyrocketed during the COVID-19 pandemic, and the trend has continued to help businesses thrive years later. Unfortunately, some of the robotic delivery vehicles are taking a beating, with several viral videos showing people kicking the autonomous bots over and even stealing the products inside.
KTLA 5’s Rachel Menitoff reports. (Aug. 7, 2023)

KTLA 5 News — Keeping Southern Californians informed since 1947.

Aug 23, 2023

A Surprising New Protein Player Restores Memory in Old Mice

Posted by in categories: biotech/medical, robotics/AI

The new study, published in Nature, showed that the unassuming protein is far from a one-trick pony. Rather than a simple protein cog in the body’s wound-healing machine, PF4 also acts as an ambassador between the brain and the immune system. When young, the protein “gatekeeper” tunes down inflammation and helps maintain the brain’s cognitive functions.

Unfortunately, PF4 levels in the body nosedive with age. The drop incites a spark of inflammation in the brain’s “memory center”—the hippocampus—and hampers the neurons’ ability to communicate. Neural networks misfire. As does memory: an aged animal struggles to remember new places or learn new tasks.

It’s not all bad news. In one test, a jab of PF4 partially reset the body’s immune system, lowering levels of proteins that promote inflammation, and boosted cognition in elderly mice.

Aug 23, 2023

Electrogenetics Study Finds We Could One Day Control Our Genes With Wearables

Posted by in categories: biotech/medical, genetics, mobile phones, wearables

The team used acupuncture needles to deliver the trigger for 10 seconds a day, and the blood sugar levels in the mice returned to normal within a month. The rodents even regained the ability to manage blood sugar levels after a large meal without the need for external insulin, a normally difficult feat.

Called “electrogenetics,” these interfaces are still in their infancy. But the team is especially excited for their potential in wearables to directly guide therapeutics for metabolic and potentially other disorders. Because the setup requires very little power, three AA batteries could trigger a daily insulin shot for more than five years, they said.

The study is the latest to connect the body’s analogue controls—gene expression—with digital and programmable software such as smartphone apps. The system is “a leap forward, representing the missing link that will enable wearables to control genes in the not-so-distant future,” said the team.

Aug 23, 2023

Increase NAD With Fish Oil (And Other PUFA-Containing) Fatty Acids? Hypothesis

Posted by in categories: biotech/medical, genetics, health

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Aug 23, 2023

Unlocking Healthy Longevity: Anti-Aging Function Discovered in Cell Protein

Posted by in categories: biotech/medical, life extension, neuroscience

Researchers at The University of Queensland have found an anti-aging function in a protein deep within human cells.

Associate Professor Steven Zuryn and Dr. Michael Dai at the Queensland Brain Institute have discovered that a protein called ATSF-1 controls a fine balance between the creation of new mitochondria and the repair of damaged mitochondria.

Aug 23, 2023

The Molecular Logic Behind Neuron Diversity

Posted by in categories: biotech/medical, genetics, neuroscience

Summary: Researchers uncovered how distinct neuron types in the Drosophila fruit fly differentiate their functions despite originating from a similar genetic framework.

In the study, two closely related neuronal subtypes expressed more than 800 different genes (~5% of the fly genome) differently. This gene expression directly influenced the observable distinctions between the neuron types.

The findings help illuminate the brain’s intricate cell development and how disease could affect it.

Aug 23, 2023

Leprosy Appears to Be on The Rise in Florida

Posted by in category: biotech/medical


A 54-year-old Florida man diagnosed with leprosy adds to a growing number of cases detected in the south-eastern United States, which appears to be a new hotspot for the disease.

It follows recent alerts from the US Centers for Disease Control and Prevention (CDC) of the first cases of locally-acquired malaria in the US in two decades; four of which were in Florida.

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Aug 23, 2023

Eye scan picks up signs of Parkinson’s 7 years early: study

Posted by in categories: biotech/medical, neuroscience

(NewsNation) — Eye scans could be able to detect Parkinson’s disease several years before the presentation of other symptoms, according to a new study.

The findings, published in the journal Neurology, add to growing evidence that eye scans could help detect neurodegenerative diseases including Alzheimer’s and multiple sclerosis.

Researchers at University College Hospital and the Moorfields Eye Hospital used a type of 3D scan known as optical coherence tomography (OCT) which detected Parkinson’s disease markers an average of seven years before clinical symptoms.

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