Current Killer Whales News and Events

Current Killer Whales News and Events, Killer Whales News Articles.
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Scientists identify potential contributor to hyper immune responses in patients with severe COVID-19
Researchers have pinpointed a helper T cell population in the lungs of patients with severe COVID-19 that may be central to the development of hyperinflammation, lung injury, and subsequent acute respiratory distress syndrome (ARDS) during disease (2021-02-23)

Absence of natural killer cell receptor associated with severe Covid-19
The course and severity of COVID-19 in individual patients is largely influenced by the interaction between the SARS-CoV-2 coronavirus and the human immune system. The NKG2C receptor communicates with an infected cell via one of its specialised surface structures, HLA-E, which results in the destruction of virus-infected cells. However, due to a genetic variation, approximately 4% of the population naturally lack the this receptor NKG2C, and in 30% of the population this receptor is only partially available. (2021-02-22)

Oncotarget: MEK inhibitors relevant to SARS-CoV-2 infection
The @Oncotarget authors show a drug class-effect with MEKi to stimulate NK cells, inhibit inflammatory cytokines and block host-factors for SARS-CoV-2 infection leading also to suppression of SARS-CoV-2-S pseudovirus infection of human cells (2021-02-22)

Handcuffing the culprit cancer: Immunotherapy for cold tumors with trispecific antibody
The recent discovery of ''bispecific antibodies'' has led to the development of effective immunotherapies against various cancers. Researchers have constructed a protein made up of anti-CD16, -IL-15, and -CD19 motifs, specifically designed to capture CD19-positive cancer cells and redirect them to natural killer (NK) cells. This protein also enhances the proliferation, homeostasis, activation, and survival of NK cells. This concoction has shown to induce killing of cancer cells in both cell cultures and in mouse models. (2021-02-18)

Insight about tumor microenvironment could boost cancer immunotherapy
A paper published today in Nature shows how chemicals in the areas surrounding tumors - known as the tumor microenvironment - subvert the immune system and enable cancer to evade attack. These findings suggest that an existing drug could boost cancer immunotherapy. (2021-02-15)

T cells depressed
In chronic infections, the immune system can become exhausted. Ludwig-Maximilians-Universitaet (LMU) in Munich researchers have looked into how this works. (2021-02-12)

Study contradicts belief that whales learn songs from one another
A new study by a University at Buffalo researcher is directly contradicting the widely accepted cultural transmission hypothesis suggesting that whales learn their songs from other whales. 'Our findings indicate that neither cultural transmission nor social learning contributes significantly to how humpback whales change their songs over time.', says Eduardo Mercado, a professor of psychology in UB's College of Arts and Sciences. (2021-02-12)

The songs of fin whales offer new avenue for seismic studies of the oceanic crust
The songs of fin whales can be used for seismic imaging of the oceanic crust, providing scientists a novel alternative to conventional surveying. (2021-02-11)

Healthy oceans need healthy soundscapes
Rain falls lightly on the ocean's surface. Marine mammals chirp and squeal as they swim along. The pounding of surf along a distant shoreline heaves and thumps with metronomic regularity. These are the sounds that most of us associate with the marine environment. But the soundtrack of the healthy ocean no longer reflects the acoustic environment of today's ocean, plagued with human-created noise. (2021-02-05)

DNA-based technique allows researchers to determine age of living beluga whales in Alaska
Researchers can now determine the age and sex of living beluga whales in Alaska's Cook Inlet thanks to a new DNA-based technique that uses information from small samples of skin tissue. (2021-02-04)

Human-generated noise pollution dominates the ocean's soundscape
The soundscapes of the Anthropocene ocean are fundamentally different from those of pre-industrial times, becoming more and more a raucous cacophony as the noise from human activity has grown louder and more prevalent. (2021-02-04)

Potentially toxic plankton algae may play a crucial role in the future Arctic
As the sea ice shrinks in the Arctic, the plankton community that produces food for the entire marine food chain is changing. New research shows that a potentially toxic species of plankton algae that lives both by doing photosynthesis and absorbing food may become an important player in the Arctic Ocean as the future sea ice becomes thinner and thinner. (2021-02-03)

Modern anti-cancer drugs work via tiny molecular motions
Modern immunotherapeutic anti-cancer drugs support a natural mechanism of the immune system to inhibit the growth of cancer cells. They dock onto a specific receptor of the killer cell and prevent it from being switched off by the cancer cells. In a molecular dynamics study scientists from MedUni Vienna and the University of Natural Resources and Applied Life Sciences (Boku) Vienna, have analysed this mechanism for the drugs nivolumab and pembrolizumab. (2021-02-03)

Scientists 'farm' natural killer cells in novel cancer fighting approach
Engineers and oncologists teamed to develop a microfluidic chip capable of capturing the body's natural killer immune cells to harvest their cancer-killing exosomes. (2021-01-28)

Ludwig Cancer Research study reveals how certain gut bacteria compromise radiotherapy
A study led by Ludwig Chicago Co-director Ralph Weichselbaum and Yang-Xin Fu of the University of Texas Southwestern Medical Center has shown how bacteria in the gut can dull the efficacy of radiotherapy, a treatment received by about half of all cancer patients. (2021-01-26)

Genetic breakthrough to target care for deadly heart condition
New genetic faults discovered in people with a heart condition that is sometimes inherited in families could transform the diagnosis and treatment of the hidden disease, according to research funded by the British Heart Foundation (BHF) and published in Nature Genetics. (2021-01-25)

A large number of gray whales are starving and dying in the eastern North Pacific
It is now the third year that gray whales have been found in very poor condition or dead in large numbers along the west coast of Mexico, USA and Canada, and scientist have raised their concerns. An international study published this week in the journal Marine Ecology Progress Series, led by Aarhus University researcher Dr Fredrik Christiansen, suggests that starvation is contributing to these mortalities. (2021-01-22)

Novel target identified that could improve safety of therapy for pancreatic cancer
Researchers from Queen Mary University of London, have identified a protein that may represent a novel therapeutic target for the treatment of pancreatic cancer. Using this protein as a target, the team successfully created a CAR T cell therapy - a type of immunotherapy - that killed pancreatic cancer cells in a pre-clinical model. (2021-01-22)

New combination of immunotherapies shows great promise for treating lung cancer
McMaster University researchers have established in lab settings that a novel combination of two forms of immunotherapy can be highly effective for treating lung cancer, which causes more deaths than any other form of cancer. (2021-01-21)

Scientists discover electric eels hunting in a group
Deep in the Brazilian Amazon River basin, scientists discovered a small, river-fed lake filled with more than 100 adult electric eels. Researchers witnessed the electric eels working together to herd small fish into tightly packed balls. Groups of up to 10 eels periodically split off to form cooperative hunting parties. Those smaller groups then surrounded the prey and launched simultaneous electric attacks. The findings overturn the idea that these serpentine fish are exclusively solitary predators. (2021-01-14)

New research reveals early warning sign for heart disease
The build-up of calcium in a major artery outside of the heart could predict future heart attack or stroke, a new Edith Cowan University led study has demonstrated. (2021-01-13)

A bucket of water can reveal climate change impacts on marine life in the Arctic
We know very little about marine life in the Arctic. Now researchers from the University of Copenhagen, among others, are trying to change that. They have shown that a simple water sample makes it possible to monitor the presence, migration patterns and genetic diversity of bowhead whales in an otherwise hard-to-reach area. The method can be used to understand how climate changes and human activities impact life in the oceans. (2021-01-12)

Understanding how to improve antibodies targeting OX40 for the treatment of cancer
Scientists at the University of Southampton's Centre for Cancer Immunology have gained new insight into how the immune system can be better used to find and kill cancer cells. (2021-01-08)

New population of blue whales discovered in the western Indian ocean
An international team of researchers has discovered what it believes to be a new population of blue whales in the western Indian Ocean. (2020-12-21)

Hormone metabolites found in poop give researchers new insight into whale stress
Poop samples are an effective, non-invasive tool for monitoring gray whale reproduction, stress and other physiological responses. (2020-12-21)

Humpback whale songs provide insight to population changes
Following reports of unusually low whale numbers that began in 2015-16, UH researchers examined song chorusing recorded at six sites off Maui. (2020-12-18)

Satellite tracking supports whale survival
Extensive satellite tracking has revealed important new knowledge about the little known pygmy blue whale population of Southern Australia. Marine biologists have extensively tracked the movements of  foraging and migrating blue whales (Balaenoptera musculus brevicauda) along the Australian continental shelf on a journey towards breeding grounds in Indonesia as part of conservation efforts for the endangered species. (2020-12-17)

Weddell sea: Whale song reveals behavioral patterns
Experts from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have now used permanently installed underwater microphones, which have been recording for the past nine years, to successfully gather and analyse whale observation data from the Weddell Sea. (2020-12-17)

Potential treatment approach kills lymphoma while sparing healthy cells
Scientists at Scripps Research have demonstrated a promising new strategy for treating lymphomas, a group of cancers that begin in infection-fighting cells of the immune system called lymphocytes. (2020-12-16)

New combination therapy could help fight difficult-to-treat cancers with common mutations
UCLA scientists describe a new combination therapy that suppresses the MAPK pathway by holding cancer-driving proteins in a death grip. This combination of two small molecules has the potential to treat not only BRAF mutated melanoma but also additional aggressive subtypes of cancers, including melanoma, lung, pancreatic and colon cancers that harbor common mutations in cancer genes called RAS or NF1. (2020-12-14)

Children's Hospital Colorado study published in Science Immunology
Children's Hospital Colorado (Children's Colorado) Center for Cancer and Blood Disorders (CCBD) announced today that a study about the manipulation of bone marrow stem cells into innate lymphoid and natural killer cells will be published in Science Immunology, a well-respected, high-impact medical journal. (2020-12-07)

Pilot whale study reveals copycat calls to outsmart predators
New Curtin University research has found southern Australian long-finned pilot whales are able to mimic the calls of its natural predator and food rival - the killer whale, as a possible ploy to outsmart it. (2020-12-03)

Genetically engineered T cells could lead to therapies for autoimmune diseases
University of Arizona Health Sciences immunobiologists have created a five-module chimeric antigen receptor T cell that is showing early potential to fight Type 1 diabetes. (2020-12-03)

A baseline comparison of killer whale stranding deaths in the northeastern Pacific/Hawaii
One of the first studies to analyze trends across orca necropsy reports reveals human activity as a cause of death for studied orcas across every age group, according to a study published December 2, 2020 in the open-access journal PLOS ONE by Stephen Raverty from the Ministry of Agriculture, Canada, and colleagues. (2020-12-02)

What's killing killer whales?
Pathology reports on more than 50 killer whales stranded over nearly a decade in the northeast Pacific and Hawaii show that orcas face a variety of mortal threats -- many stemming from human interactions. (2020-12-02)

Ultrasensitive transistor for herbicide detection in water
University of Tokyo researchers have fabricated a tiny electronic sensor that can detect very low levels of a commonly used weed killer in drinking water. (2020-12-01)

Glucosamine may reduce overall death rates as effectively as regular exercise
Glucosamine supplements may reduce overall mortality about as well as regular exercise does, according to a new epidemiological study from West Virginia University. (2020-12-01)

Killer electrons in strumming sky lights
Wisps of pulsating aurora lights are a rare, yet magical sight. Now, scientists suggest they could be associated with destruction of part of the ozone. (2020-11-30)

It's not too late to save 102 species at risk of extinction
The Fraser River estuary in British Columbia is home to 102 species at risk of extinction. A new study says it's not too late to save these species if action is taken now. (2020-11-26)

Blue whales return to South Georgia after near extinction
An international research team led by UK scientists has revealed the return of critically endangered Antarctic blue whales to the sub-Antarctic island of South Georgia, 50 years after whaling all but wiped them out. The new study follows recent research that humpback whales are also returning to the region. (2020-11-19)

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