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Hypoxia signaling pathway could lead to COVID-19 treatments


Hypoxia signaling pathway could lead to COVID-19 treatments
Researchers in Spain have demonstrated that studying the hypoxia signaling pathway could provide opportunities for treating coronavirus disease 2019 (COVID-19).
The team conducted a study showing that hypoxic (oxygen-deficient) conditions reduced the expression of host cell receptors for the causative agent – severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Hypoxic conditions reduced expression of angiotensin-converting enzyme 2 (ACE2) – the primary host cell receptor required for viral attachment and entry. They also decreased the expression of heparan sulfate (HS), another receptor known to be required for SARS-CoV-2 attachment.
The team – from the Basque Research and Technology Alliance in Derio and the Basque Foundation for Science in Bilbao also showed that hypoxia decreased HS levels through reduced expression of the main HS-containing proteoglycans (HSPGs) – syndecan-1 and synde ....

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International research project investigates photosensitive carbon nanoparticles


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An international team of researchers, including researchers from Friedrich-Alexander Universität Erlangen-Nürnberg (FAU) headed by Prof. Dr. Dirk M. Guldi have now managed to identify the fundamental problems relating to the photophysics and photochemistry of carbon nanocolloids (CNC), and ascertain possible approaches for research into these readily available, non-toxic and adaptable nanomaterials.
Light is not only the primary source of energy for life on Earth, it is also hugely important for a number of technical applications. Nanomaterials such as carbon nanocolloids (CNC) which can be used to tailor light-material interactions will have an important role to play in the technology of the future. As a sustainable product, they will help to avoid toxic waste and excessive consumption of resources. However, their range of application has been rather limited to date as their heterogenity hindered researchers in their attempts to find a uniform way of describing ....

Saint Petersburg , Sankt Peterburg , Hong Kong , United States , Buenos Aires , Distrito Federal , Friedrich Alexander Universit , Dirkm Guldi , Centre For Cooperative Research In Biomaterials , Centre For Functional Photonics , Basque Foundation For Science , Functional Photonics , Cooperative Research , Basque Foundation , துறவி பீட்டர்ஸ்பர்க் , ஹாங் காங் , ஒன்றுபட்டது மாநிலங்களில் , புஏனோஸ் ஐரிஸ் , திஸ்திரிதோ கூட்டாட்சியின் , மையம் க்கு கூட்டுறவு ஆராய்ச்சி இல் உயிர் பொருட்கள் , மையம் க்கு செயல்பாட்டு ஃபோட்டானிக்ஸ் , பசியூ அடித்தளம் க்கு அறிவியல் , செயல்பாட்டு ஃபோட்டானிக்ஸ் , கூட்டுறவு ஆராய்ச்சி , பசியூ அடித்தளம் ,