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Beneficial gut bacteria use mucus lining to stay in place, study finds

When it comes to gut health, it doesn't just matter who's invited to the party, but how they behave.

18 Aug 2023

Severe COVID-19 may cause long-term changes to innate immune system

Severe COVID-19 may cause long-lasting alterations to the innate immune system, the first line of defense against pathogens, according to a small study funded by the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health.

18 Aug 2023

RARα receptor plays unexpected role in T cell activation

According to new research in the journal Immunity, T cells have a nuclear receptor doing something very odd - but very important - to help them fight pathogens and destroy cancer cells.

18 Aug 2023

Severe COVID-19 causes long-lasting changes to immune system stem cells

Severe COVID-19 infection triggers changes that affect gene expression in immune system stem cells, causing long-lasting alterations in the body's immune response, according to a new study by Weill Cornell Medicine and Jackson Laboratory investigators.

18 Aug 2023

Proxalutamide shows promise as potential COVID-19 treatment

At the outset of the COVID pandemic, men appeared to suffer higher rates of severe illness and death, leading researchers to suspect a link between androgen receptors - which bind to hormones like testosterone--and SARS-CoV-2 viral infection.

18 Aug 2023

Noelin1-3 proteins essential for learning and memory formation in the mammalian brain

A German-American research team headed by Prof. Dr. Bernd Fakler from the Faculty of Medicine at the University of Freiburg demonstrated the major influence of Noelin1-3 proteins on learning and memory formation in the mammalian brain.

18 Aug 2023

New artificial DNA structures can target and destroy cancer cells

A new study highlights the potential of artificial DNA structures that, when fitted with antibodies, instruct the immune system to specifically target cancerous cells.

18 Aug 2023

DDNS technique could reduce the time to detect polio, study shows

A new study, 'Sensitive poliovirus detection using nested PCR and nanopore sequencing: a prospective validation study', published today (17 August 2023) in Nature Microbiology, proves that using DDNS to detect polio outbreaks can save public health authorities crucial time and money.

18 Aug 2023

A new Medicare proposal would cover training for family caregivers

Even with extensive caregiving experience, Patti LaFleur was unprepared for the crisis that hit in April 2021, when her mother, Linda LaTurner, fell out of a chair and broke her hip.

18 Aug 2023

Regulation of cytotoxic T-cell differentiation and exhaustion by mTOR signaling

Researchers describe molecular signalling regulated by mTOR among memory and exhausted cytotoxic CD8+ T lymphocytes.

18 Aug 2023

Immune cells present in people months before influenza infection, finds study

St. Jude Children's Research Hospital scientists, in collaboration with the Institute of Environmental Science and Research (ESR) Limited, found that immune cells present in people months before influenza (flu) infection could more accurately predict if an individual would develop symptoms than current methods which primarily rely on antibody levels.

18 Aug 2023

New findings could develop effective vaccines or treatments for chikungunya fever

Researchers at Albert Einstein College of Medicine have found that the virus responsible for chikungunya fever can spread directly from cell to cell - perhaps solving the longstanding mystery of how the virus, now emerging as a major health threat, can manage to escape antibodies circulating in the bloodstream.

18 Aug 2023

Platelets quell the inflammation of an aging brain and body: Study finds

Platelets are behind the cognitive benefits of young blood, exercise and the longevity hormone klotho

18 Aug 2023

New method to assess the status of immune responses to specific antigens in detail

A new method to assess the status of immune responses to specific antigens in detail by analysis using the B cell receptor (BCR) repertoire has been developed by a research group, consisting of Assistant Professor Yohei Funakoshi, Associate Professor Kimikazu Yakushijin, Professor Hironobu Minami (Kobe University Graduate School of Medicine), Associate Professor Goh Ohji (Kobe University Hospital), and Researcher Takaji Matsutani (Repertoire Genesis Inc.).

18 Aug 2023

Study reveals the roles of a nucleic acid sensor for COVID-19 in pan-cancer

Toll-like receptor 7 (TLR7), a severe acute respiratory syndrome 2 (SARS-CoV-2) virus's nucleic acid sensor, was discovered to be aberrantly expressed in many types of cancers.

17 Aug 2023

Lorazepam linked to shorter progression-free survival in pancreatic cancer patients

Patients with pancreatic cancer who took the benzodiazepine lorazepam (Ativan), commonly prescribed to treat anxiety during cancer treatment, had a shorter progression-free survival than patients who did not, according to results published in Clinical Cancer Research, a journal of the American Association for Cancer Research (AACR).

17 Aug 2023

Moffitt receives NCI grant to investigate virus-associated tumors among HIV patients in sub-Saharan Africa

The Center for Immunization and Infection Research in Cancer at Moffitt Cancer Center is expanding its viral infection research in Africa. The cancer center has received a $5.5 million, five-year specialized research center grant (U54CA277834) from the National Cancer Institute to investigate virus-associated tumors that disproportionately impact men and women living with HIV in sub-Saharan Africa.

17 Aug 2023

Immunotherapy combination extends progression-free survival in patients with melanoma

A research team co-led by UCLA investigators has shown that an immunotherapy drug combination can be an effective second-line therapy for patients with an aggressive and deadly type of melanoma that is resistant to the widely used immunotherapy drugs known as PD-1 inhibitors.

17 Aug 2023

Metabolic changes after gastric bypass surgery reverse within one year

A new study from Lund University in Sweden raises questions about the efficacy of bariatric operations involving gastric bypass.

17 Aug 2023

Study provides insight into aging of the brain

Most of us who've reached middle age have noticed a slowing in memory and cognition, but scientists don't have a clear picture of the molecular changes that take place in the brain to cause it.

17 Aug 2023