Reactive Oxygen Species (ROS) News and Research

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Some nutritional supplements may help prevent or mitigate COVID-19 severity

A new study in the Journal of dietary supplements shows that nutritional supplements, including several vitamins and the mineral zinc, may be useful in preventing the infection or reducing its severity if caught.

22 Feb 2021

Researchers create new cancer optotheranostics based on photosynthetic bacteria

Cancer is one of the most thought-provoking healthcare problems throughout the world. The development of therapeutic agents with highly selective anti-cancer activities is increasingly attractive due to the lack of tumor selectivity of conventional treatments.

16 Feb 2021

Novel quantum sensor offers a new route to early diagnosis, preventive treatment

Oxygen is essential for human life, but within the body, certain biological environmental conditions can transform oxygen into aggressively reactive molecules called reactive oxygen species (ROS), which can damage DNA, RNA, and proteins.

4 Feb 2021

Zinc supplementation bolsters repurposed antivirals against SARS-CoV-2

A new preprint reports the efficacy of two repurposed drugs that could be useful against SARS-CoV-2 when supplemented with zinc.

2 Feb 2021

Surface-textured nanocrystals for biofilm eradication

The COVID-19 pandemic is raising fears of new pathogens such as new viruses or drug-resistant bacteria.

8 Jan 2021

Researchers discover protein crucial to T cell metabolism and anti-tumor immune response

Researchers at The University of Texas MD Anderson Cancer Center have discovered that a protein called NF-kappa B-inducing kinase (NIK) is essential for the shift in metabolic activity that occurs with T cell activation, making it a critical factor in regulating the anti-tumor immune response.

4 Jan 2021

Could the keto diet help prevent or mitigate severe COVID-19?

A new study published in the journal of Translational Medicine reports that the ketogenic diet (KD) may be useful in this area, with its track history of effectual reduction of fat mass, anti-inflammatory and immunomodulatory effects, and consequent improvement of cardiovascular health.

30 Nov 2020

Could beta-blockers be a potential treatment for COVID-19?

News-Medical spoke to researchers about their latest research into beta-blockers, and how they could potentially be used to treat COVID-19.

27 Nov 2020

Hydrogen therapy may help severely ill COVID-19 patients

Researchers from the Department of Critical Care Medicine, Sichuan Provincial People's Hospital, Chengdu in China, have explored the possibility of using hydrogen therapy on severely ill COVID-19 patients. The team published their study's findings, titled "Hydrogen: A Potential New Adjuvant Therapy for COVID-19 Patients," in the latest issue of the journal Frontiers in Pharmacology.

17 Nov 2020

Drugs targeting neutrophils could reduce ARDS in severe COVID-19

Scientists in Taiwan recently published a report on their use of anti-neutrophil strategies to treat acute respiratory distress syndrome (ARDS) – a life-threatening condition that can arise in critical COVID-19 cases – in the journal Frontiers in Pediatrics.

15 Nov 2020

Daylight exposure can disinfect a special type of cotton face mask

During the COVID-19 pandemic, many people have become accustomed to wearing cotton face masks in public places.

11 Nov 2020

Scientists combine a chemotherapeutic and photodynamic approach to fight cancer

In their quest to destroy cancer cells, researchers are turning to combinational therapies more and more. Scientists from Germany and China have now combined a chemotherapeutic and photodynamic approach.

13 Oct 2020

Researchers develop 'Trojan horse' approach to destroy cancer cells

Cancer cells are killed in lab experiments and tumour growth reduced in mice, using a new approach that turns a nanoparticle into a 'Trojan horse' that causes cancer cells to self-destruct, a research team at the Nanyang Technological University, Singapore (NTU Singapore) has found.

23 Sep 2020

Skin cancer therapies could be used to treat other types of tumors

The creation of a silica nanocapsule could allow treatments that use light to destroy cancerous or precancerous cells in the skin to also be used to treat other types of cancer.

21 Jul 2020

Common antioxidant enzyme catalase as COVID-19 treatment

A new paper by researchers from the USA and China and published on the preprint server bioRxiv in July 2020 discusses a new drug based on the catalase enzyme, which could play a vital part in reducing the inflammation associated with progressive and severe COVID-19 disease.

17 Jul 2020

Highly effective and safe nanocrystal can fight against dangerous doses of radiation

Despite the wide application of radiation in diagnostics and treatments, there is still no magic material to protect people from radiation exposure.

6 Jul 2020

Oxidized charcoal nanoparticles can help treat COVID-19 patients

Artificial enzymes made of treated charcoal could have the power to curtail damaging levels of superoxides, radical oxygen ions that are toxic at high concentrations.

2 Jul 2020

Exposure to certain e-cig cartridges may cause fatal lung damage

Researchers at the University of Rochester Medical Center, New York, have shown that long-term exposure to certain electronic nicotine delivery systems (ENDS) may cause lung toxicity and injury among vapers.

16 Jun 2020

Rice lab's fluorescent tag project reveals new method to kill tumors

A Rice University lab's project to make better fluorescent tags has turned into a method to kill tumors. Switching one atom in the tag does the trick.

11 Jun 2020

Race-related differences in genetic determinants of COVID-19 severity

Researchers at the University of Iowa have identified differences in gene expression levels between African Americans and European Americans that may explain the disproportionately higher rates of coronavirus disease 2019 (COVID-19) cases and related deaths among African Americans.

11 Jun 2020