Parse Biosciences GigaLab to Support Mount Sinai Researchers in Generating One of the Largest Alzheimer's and Parkinson's Single Cell Datasets
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Researchers aim to understand mechanisms of alternative splicing in neurodegenerative disease
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SEATTLE — Parse Biosciences today announced their commitment to support researchers from the Icahn School of Medicine at Mount Sinai in generating one of the largest single cell datasets focused on understanding alternative splicing events in the cells of Alzheimer's and Parkinson's patients. The study's initial phase will analyze transcriptomic profiles from more than 10 million cells derived from more than 1,000 peripheral blood mononuclear cell (PBMC) samples of patients with neurodegenerative conditions. The data amassed from these analyses will lay the foundation for discoveries that could transform how these diseases are understood, detected, and treated.
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'Historical research in neurodegenerative disease has focused on the genomic underpinnings for disease diagnoses, but few have looked at the post transcriptional events that may be further driving pathology and progression of disease,' said Towfique Raj, PhD, principal investigator in the laboratory for functional genomics and core faculty member of the Ronald M. Loeb Center for Alzheimer's Disease at Mount Sinai, who will lead this study. 'We're excited to be able to look at alternative splicing events in single cells at scale to determine alternative contributors to disease onset, progression and severity. Studies of this scale are critical to the development of foundational models to help us better understand neurodegenerative disease.'
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Dr. Raj's research team at Mount Sinai is dedicated to understanding the molecular mechanisms of neurodegenerative disorders, including Alzheimer's disease, Parkinson's disease, and ALS (amyotrophic lateral sclerosis).
For this study, the Mount Sinai team is working to conduct high-throughput profiling on banked PBMCs donated by patients with confirmed Alzheimer's disease or Parkinson's disease diagnoses. The researchers expect to profile more than 1,000 samples in order to capture single cell whole transcriptome repertoire data on them. The samples that have been prepared at Mount Sinai will then be sent to Parse GigaLab, a state-of-the-art facility purpose-built for the generation of massive-scale single cell RNA sequencing datasets. Leveraging Parse's Evercode chemistry, the GigaLab can rapidly produce large single cell datasets with exceptional quality.
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'We are incredibly excited to bring the power of GigaLab to elevate the impactful work the Raj Lab has been driving,' says Dr. Charlie Roco, Chief Technology Officer at Parse Biosciences. 'The speed and scale achieved with the GigaLab truly helps to accelerate research and get us to insights faster than we ever have before.'
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About Parse Biosciences
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Parse Biosciences is a global life sciences company whose mission is to accelerate progress in human health and scientific research. Empowering researchers to perform single cell sequencing with unprecedented scale and ease, its pioneering approach has enabled groundbreaking discoveries in cancer treatment, tissue repair, stem cell therapy, kidney and liver disease, brain development, and the immune system.
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With technology developed at the University of Washington by co-founders Alex Rosenberg and Charles Roco, Parse has raised over $100 million in capital and is used by over 2,500 customers across the world. Its growing portfolio of products includes Evercode™ Whole Transcriptome, Evercode™ TCR, Evercode™ BCR, Gene Select, and a solution for data analysis, Trailmaker™.
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CTV News
17 hours ago
- CTV News
How To Choose A Dehumidifier
If your home's air is exceptionally moist during summer and you want an easy, efficient method of drying the air, a dehumidifier is the best way to go. Musty air feels gross on our skin, and high humidity levels can cause issues for people with asthma and other respiratory conditions, especially if it leads to mildew and mould growth in your home. No matter your square footage, desired humidity levels, and budget, there is a perfect dehumidifier out there for you. If you think about all of the features and considerations below, you'll be working with the best dehumidifier in no time. What Is a Dehumidifier? A dehumidifier is a portable appliance that removes excess moisture from the air. While some models work with your air conditioner, most are portable dehumidifiers that you can move around your home as you see fit. They work by using refrigerated coils to rapidly cool air that is sucked into the machine. The cold creates condensation that is collected in a basin at the base of the machine or hosed directly outside, depending on your model. Then, the drier, cooler air is released back into your home. Some humidifiers use speed settings to control the process, while others have something called a humidistat that allows users to set a specific humidity setting, such as 50%, and the machine will automatically maintain that setting. Questions to Ask Yourself Before Buying a Dehumidifier How Large is My Room? Humidifiers are not a one-size-fits-all appliance. Each one has a different square footage rating, meaning they can only cover a room up to a certain size. You'll need to measure your room to obtain the total square feet of the area before choosing a dehumidifier to make sure it can handle your room size. How Much Do I Want To Spend? A key consideration when making this type of purchase is how much you're willing to spend. 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Dehumidifiers have many different features and characteristics that may make them the wrong choice for your unique circumstances. When shopping for dehumidifiers, make sure to consider all of the following features carefully to avoid bringing home a dehumidifier that isn't right for you. Type of Dehumidifier There are two types of dehumidifiers that you can consider for your home: desiccant and refrigerant. Compressor Dehumidifier/Refrigerant Dehumidifier This is the standard type of dehumidifier. This type of dehumidifier uses a compressor to draw in air from your space and pull it over the refrigerated coils to create condensation. These models are efficient and can handle high levels of humidity. One flaw of these dehumidifiers is their noise level. They average between 50 and 60 decibels when running. Compressor dehumidifiers are also best used in warmer climates. The coils could freeze if the room temperature is below about 65 degrees Fahrenheit. Desiccant Dehumidifier Desiccant dehumidifiers are the ideal choice if you're in a colder climate since they can be used at any temperature above freezing. They are also more energy efficient since they don't need to cool down the air. Instead, the air is pulled through the desiccant, which acts like a sponge to remove excess moisture from the air. These models are also much quieter to operate than a compressor-based model, so they can be used in work environments and bedrooms without disturbing anyone. However, desiccant dehumidifiers expel air that is roughly 10-15 degrees warmer than the ambient air temperature, so this may be an issue for some people who like to keep their home at a low temperature. These humidifiers can handle the same relative humidity levels as a compressor, but they can cost a bit more to run in warmer temperatures. These models are effectively used in areas like crawl spaces and basements that may be cooler, wetter spaces. 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CBC
17 hours ago
- CBC
U.S. vaccine panel rejects flu shots with a specific preservative, despite safety data
The Trump administration's new vaccine advisers on Thursday endorsed this fall's flu vaccinations for just about every American — but only if they use certain shots free of a preservative that has been safely used in vaccines for decades. What is normally a routine step in preparing for the upcoming flu season drew intense scrutiny after U.S. Health Secretary Robert F. Kennedy Jr. abruptly fired the influential 17-member Advisory Committee on Immunization Practices (ACIP)and handpicked replacements that include several vaccine skeptics. The seven-member panel bucked another norm Thursday as it discussed the safety of a preservative used in less than five per cent of U.S. flu vaccinations: It deliberated based only on a presentation from an anti-vaccine group's former leader — without allowing the usual public airing of scientific data from the U.S. Centers for Disease Control and Prevention. The preservative, thimerosal, has been used for decades in certain vaccines that come in multi-dose vials, to prevent contamination as each dose is withdrawn. Its controversy stems from containing a small amount of a particular type of mercury. However, the CDC's own data shows it is safe, and on Friday the World Health Organization stated in a press briefing that there was no evidence of risk. "Thimerosal has been reviewed multiple times by multiple agencies, including WHO, and it's clear from the evidence that there is no evidence of harm from the use of thimerosal," Dr. Katherine O'Brien from WHO told reporters in reaction to the U.S. panel decision. Thimerosal contains a minute amount of ethyl mercury, which breaks down quickly in the body and is swiftly removed, unlike methyl mercury, the type of mercury found in the environment which can build up in the body and cause harm. In Canada, a handful of multi-dose influenza vaccines approved for use by Health Canada contain thimerosal, but the vast majority of routine childhood vaccines do not. Single-dose flu shots unaffected Study after study has found no evidence that thimerosal causes autism, a myth long pushed by anti-vaccine groups, or poses any safety risks. Yet since 2001, all vaccines routinely used for U.S. children age 6 years or younger have already come in thimerosal-free formulas. The advisory panel voted to back the usual U.S. recommendation that nearly everyone age six months and older get an annual flu vaccination, but then voted 5-1 with one abstention that these had to be thimerosal-free formulations. This would include single-dose shots that already are the most common type of flu vaccination, and would rule out the subset of flu vaccine dispensed in multi-dose vials. "There is still no demonstrable evidence of harm," one panelist, Dr. Joseph Hibbeln, a psychiatrist formerly with the National Institutes of Health, said in acknowledging the committee wasn't following its usual practice of acting on evidence. But he argued that "we have to respect the fear of mercury" that he said might dissuade some people from getting vaccinated. Panel blocked CDC's analysis Lyn Redwood, formerly of the Kennedy-founded anti-vaccine group Children's Health Defense, gave the presentation on thimerosal in front of the panel, arguing that it was a neurotoxin. The version of Redwood's presentation posted to the CDC's website earlier this week initially included a reference to a study that does not exist. The report she gave to the committee was significantly shorter, removing a reference to that study and another slide saying she did not have any conflicts of interest. "With the vote on thimerosal this afternoon, the new committee has turned the ACIP process into a farce," said former CDC vaccine adviser Dr. Fiona Havers, who resigned last week over Kennedy's changes to vaccine policy. Medical groups decried the panel's lack of transparency in blocking a CDC analysis of thimerosal that concluded there was no link between the preservative and neurodevelopmental disorders, including autism. The data had been posted on the committee's website Tuesday, but was later removed — because, according to ACIP member Dr. Robert Malone, the report hadn't been authorized by Kennedy's office. Panel members said they had read it. The ACIP helps the CDC determine who should be vaccinated against a long list of diseases, and when, and its recommendations have a big impact on availability and insurance coverage of vaccines in the U.S. Normally the CDC's director would decide whether to accept ACIP's recommendation, but the Senate has not yet confirmed nominee Susan Monarez. Administration officials said Kennedy would make that decision. While Thursday's debate involved only a small fraction of flu vaccines, some public health experts contend the discussion unnecessarily raised doubt about vaccine safety. Already, fewer than half of Americans get their yearly flu vaccinations, and mistrust in vaccines overall is growing. "Selective use of data and omission of established science undermines public trust and fuels misinformation," said Dr. Sean O'Leary of the American Academy of Pediatrics (AAP). He said of the new panelists, "Nothing about their recent actions have been science-based or transparent." WATCH: Misinformation one of the factors behind decline in childhood vaccination globally: Decline in childhood vaccination fuelled by global conflicts, misinformation: Lancet 3 days ago Duration 2:01 A new study published in the Lancet medical journal suggests childhood vaccinations have stagnated or declined since 2010. The authors say geopolitical instability is fuelling the drop in some countries, but misinformation is largely driving the decline in high-income countries. The pediatrics group announced Wednesday that it would no longer be participating in the ACIP meetings, with president Sue Kressly saying in a video statement that "with the committee dismissals, it is no longer a credible process." The AAP will continue publishing its own vaccination recommendations. The flu votes marked the final step of a two-day meeting that alarmed pediatricians and other doctors' groups, who pointed to new panelists' lack of expertise in how to properly track vaccine safety — and a shift in focus which appears to boost anti-vaccine messaging. Of special concern was the announcement by panel chairman Martin Kulldorff to reevaluate the "cumulative effect" of the children's vaccine schedule — the list of immunizations given at different times throughout childhood. That reflects the scientifically debunked notion that children today get too many vaccinations for their immune systems.


CBC
17 hours ago
- CBC
U.S. government cuts key hurricane forecasting data from satellites
Social Sharing Weather experts are warning that hurricane forecasts will be severely hampered by the upcoming cutoff of key data from U.S. Department of Defence satellites, the latest Trump administration move with potential consequences for the quality of forecasting. The National Oceanic and Atmospheric Administration (NOAA) said it would discontinue the "ingest, processing and distribution" of data collected by three weather satellites that the agency jointly runs with the Defense Department. The data is used by scientists, researchers and forecasters, including at the National Hurricane Center. It wasn't immediately clear why the government planned to cut off the Defense Meteorological Satellite Program's microwave data by Monday. The Defence Department referred questions to the Air Force, which referred them to the Navy, which did not immediately provide comment. In a statement, NOAA spokesperson Kim Doster called it a "routine process of data rotation and replacement," and said the remaining data sources "are fully capable of providing a complete set of cutting-edge data and models that ensure the gold-standard weather forecasting the American people deserve." Data helps identify rapid intensification Traditional visible or infrared satellites provide data that becomes images showing the structure, intensity and temperature of a storm, according to NOAA information, along with features such as lightning. But those miss the three-dimensional details of a storm. The microwave data gives critical information that can't be gleaned from the conventional satellites, and helps peer under a regular image of a hurricane or a tropical cyclone to see what's going on inside. It is especially helpful at night. The news is especially noteworthy during the ongoing hurricane season and as lesser storms have become more frequent, deadly and costly as climate change is worsened by the burning of fossil fuels. WATCH | CBC meteorologist looks at what's in store for this year's hurricane season: CBC meteorologist Ashley Brauweiler breaks down this year's National Hurricane Centre forecast 1 month ago Duration 1:46 Microwave imagery allows researchers and forecasters to see the centre of the storm. Experts say that can help in detecting the rapid intensification of storms and in more accurately plotting the likely path of dangerous weather. "If a hurricane, let's say, is approaching the Gulf Coast, it's a day away from making landfall, it's nighttime," said Marc Alessi, a science fellow with the Union of Concerned Scientists. "We will no longer be able to say, 'OK, this storm is definitely undergoing rapid intensification, we need to update our forecasts to reflect that.' " Other microwave data will be available but only roughly half as much, hurricane specialist Michael Lowry said in a blog post. He said that greatly increases the odds that forecasters will miss rapid intensification, underestimate intensity or misplace the storm. That "will severely impede and degrade hurricane forecasts for this season and beyond, affecting tens of millions of Americans who live along its hurricane-prone shorelines," he said. Ending satellite access 'is insanity,' researcher says University of Miami hurricane researcher Brian McNoldy called the loss of data "alarmingly bad news" in a post on Bluesky. "Microwave data are already relatively sparse, so any loss — even gradual as satellites or instruments fail — is a big deal; but to abruptly end three active functioning satellites is insanity." NOAA and its National Weather Service office have been the target of cuts and changes in U.S. President Donald Trump's second term. Already, hurricane forecasts were anticipated to be less accurate this year because weather balloons launches have been curtailed due to lack of staffing. "What happened this week is another attempt by the Trump administration to sabotage our weather and climate infrastructure," Alessi said. Canadian impact of NOAA cuts When the NOAA cuts were first announced earlier this year, Eddie Sheerr was among a growing number of Canadian scientists sounding the alarm about sweeping NOAA cuts made by the U.S. Department of Government Efficiency, then run by billionaire Elon Musk. Sheerr, a meteorologist with NTV in St. John's, said he uses NOAA's data and modelling "literally every day." "They have some of the best hurricane forecasters and meteorologists in the world. I rely on that data and their expertise heavily when tracking these tropical systems, as do meteorologists throughout the country," he said in a recent interview. "They provide life-saving information. Period." Sheerr said he was using NOAA data when he decided to phone Port aux Basques Mayor Brian Button the night before Fiona slammed into the community on Newfoundland's southwestern tip in September 2022. He said he figured people would tell the mayor they'd seen plenty of bad storms. "And I said, 'Brian, you haven't seen this before. And that's what you need to tell the residents.' " Sheerr urged Button to evacuate homes closest to the water, and Button took his advice. Fiona destroyed about 100 houses in the area and swept a woman out to sea. Data from NOAA makes Canadian forecasts and weather warnings more accurate, Sheerr said, adding that he worries the cuts will reduce the accuracy of forecasts and ultimately make it harder to predict the impacts of dangerous storms.