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Cathie Wood Watch: Ark Buys Coinbase, Sells Exact Sciences

Wood’s flagship Ark Innovation ETF has dropped 44% over the last year, but has rebounded 19% so far this year.

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Wood's flagship Ark Innovation ETF has dropped 44% over the last year, but has rebounded 19% so far this year.

Wash, rinse, repeat. That’s what Cathie Wood, chief executive of Ark Investment Management, did Monday, repeating some recent trades in big names.

DON’T MISS: Cathie Wood Plows Millions Into Her Newest Investment

Ark funds bought 37,725 shares of Coinbase Global  (COIN) - Get Free Report, the largest U.S. cryptocurrency exchange, valued at $2.4 million as of Monday’s close.

The company’s shares have tumbled 67% over the past 12 months amid turmoil in the cryptocurrency market. But they have rebounded 76% this year, helped by bitcoin’s recovery. Coinbase is the fourth biggest holding Wood’s flagship Ark Innovation ETF  (ARKK) - Get Free Report.

Ark Fintech Innovation ETF  (ARKF) - Get Free Report snatched 18,555 shares of Block  (SQ) - Get Free Report, valued at $1.2 million as of Monday’s close.

Block stock has plummeted 17% since March 21, as short sellers Hindenburg Research published a blistering criticism of the financial services company. It has lost 53% over the last year.

Block is the sixth biggest holding in Wood’s flagship Ark Innovation ETF, moving up one since Friday.

PATRICK T. FALLON/AFP via Getty Images

Wood Buys Teladoc, Sells Exact Sciences

Also Monday, Ark funds snapped up 34,266 shares of Teladoc Health  (TDOC) - Get Free Report, the phone/video healthcare provider, valued at $840,500 as of that day’s close.

The company gained great notoriety early in the covid pandemic, when people couldn’t go to their doctors’ office. But the trend faded over the past year, as people returned to their doctors’ offices.

Teladoc shares dropped 65% during that period. Still, they have firmed 3% so far this year in line with other tech stocks. Teladoc is the ninth largest holding in Ark Innovation.

On the selling side, Ark Innovation dumped 41,985 shares of Exact Sciences  (EXAS) - Get Free Report, valued at $2.8 million as of Monday’s close. The company is a medical diagnostics provider famous for its Cologuard at-home colon cancer test.

Exact Sciences stock has ascended 34% thus far in 2023, buoyed by strong earnings but has eased 2% over the last year. Ark has shed more than 3 million of the company’s shares since the beginning of this year. But Exact Sciences is still the fifth biggest holding in Ark Innovation.

Wood’s Lagging Returns

Meanwhile, Wood’s performance hasn’t exactly lit the investment world on fire over the past year, as her young technology stocks have slumped. Ark Innovation has descended 44% during that period and 77% from its February 2021 peak.

Nonetheless, the fund has bounced back 19% so far this year, as tech stocks have rebounded in general.

Mama Cathie, as Wood is known to her fans, defends her strategy by noting that she has a five-year investment horizon. But the five-year annualized return of $7.2 billion-asset Ark Innovation was only 0.43% through March 27, compared with 10.7% for the S&P 500.

The fund’s performance also doesn’t come close to Wood’s goal for annualized returns of 15% over five-year periods.

She may be losing her popularity. Ark Innovation suffered a net investment outflow of $304 million during the past five days. But it enjoyed a net inflow of $156 million over the last year, according to ETF research firm VettaFi.

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UC Riverside startup company wins prestigious NIH grant

Soon after he joined UC Riverside in 2015, Maurizio Pellecchia, a professor of biomedical sciences in the UCR School of Medicine, began working with…

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Soon after he joined UC Riverside in 2015, Maurizio Pellecchia, a professor of biomedical sciences in the UCR School of Medicine, began working with the UCR Research and Economic Development office to create on campus an incubator space. He envisioned that space as a home for UCR scientists to create startup companies to prove the commercial potential of their technologies. That multi-year effort helped create in the Multidisciplinary Research Building the EPIC Life Sciences Incubator that currently houses young companies in agricultural technology, biomedical technologies, bioengineering, and medicinal chemistry.

Credit: Stan Lim, UC Riverside.

Soon after he joined UC Riverside in 2015, Maurizio Pellecchia, a professor of biomedical sciences in the UCR School of Medicine, began working with the UCR Research and Economic Development office to create on campus an incubator space. He envisioned that space as a home for UCR scientists to create startup companies to prove the commercial potential of their technologies. That multi-year effort helped create in the Multidisciplinary Research Building the EPIC Life Sciences Incubator that currently houses young companies in agricultural technology, biomedical technologies, bioengineering, and medicinal chemistry.

One of the tenant companies in the incubator space is Armida Labs, Inc, a pharmaceutical company founded two years ago by Pellecchia with Carlo Baggio, formerly a senior scientist in Pellecchia’s research group, as its chief technology officer and director of chemical biology. Armida Labs, which is developing a breakthrough pancreatic cancer therapy called Targefrin™, has now been awarded a highly competitive $400,000 Phase I Small Business Innovation Research, or SBIR, grant from the National Cancer Institute of the National Institutes of Health. The grant, of which Baggio is principal investigator, will allow the company to complete important next steps toward the preparation of human clinical trials. 

“Our goal is to develop the drug Targefrin, which UCR has patented,” said Pellecchia, who holds the Daniel Hays Chair in Cancer Research at UCR. “We want to translate Targefrin from a laboratory discovery to a product that can fight pancreatic cancer, and potentially other cancers, and improve public health.”

Pellecchia, who is the main inventor of Targefrin, explained that the SBIR grant makes it possible for Armida Labs to gather industry-standard pharmacokinetics and efficacy data, which are expensive to obtain. 

“Without the grant, our studies would remain at the pre-clinical level,” said Pellecchia, who directs the School of Medicine’s Center for Molecular and Translational Medicine. “The Phase I SBIR grant will allow us to scale up the manufacture of Targefrin and to test this drug in more sophisticated pharmacology studies in models of metastatic pancreatic cancer. These data will help us craft the necessary follow-up studies that will enable filing an investigational new drug application with the Food and Drug Administration, and if successful, begin human clinical studies.”

The SBIR grant Armida Labs received is a Phase I grant, which means it is a pilot phase grant. Only recipients of a Phase I grant can apply to the NIH for a Phase II grant. 

“Phase II grants, which can be up to around $2 million, can allow us to apply for an IND,” Pellecchia said. “We expect our pilot studies will take about six months to one year to do. If these studies are successful, we will submit a Phase II application, which will allow us to complete toxicity studies in two animal models.” 

An investigational new drug, or IND, is a drug that the Food and Drug Administration has not yet approved for general use. Researchers use INDs in clinical trials to investigate their safety and efficacy. Before testing in human subjects, however, researchers need to apply for an IND with the Food and Drug Administration.

According to Pellecchia, the EPIC Life Sciences Incubator greatly simplified the launch of Armida Labs, the first UCR faculty biopharmaceutical company in the City of Riverside. He said it is a lot easier to start a company in an incubator space than to have to rent an empty lab space somewhere to start doing research.

“Developing and growing a biotech company requires huge amounts of capital,” he said. “In contrast, a minimal amount of capital is needed to launch a startup in an incubator space. As a result, we were able to get Armida Labs off the ground and thus apply to the National Cancer Institute for seed funding. To go from a pre-clinical laboratory discovery all the way to drug development in patients, similar projects to Targefrin often require as much as $2-5 million. With our new award, we aim to complete valuable steps to attract further investment.”

The EPIC Life Sciences Incubator, which is managed by Maricela Argueta and directed by David Pearson, aims to be a home for startups like Armida Labs by providing vital technology and equipment, as well as access to UCR’s core technical facilities, faculty, and entrepreneurial development services from the Office of Technology Partnerships led by Associate Vice Chancellor Rosibel Ochoa. It offers advice, makes connections with venture capital firms, administers the incubator space, and provides personnel for coordinating the use of shared equipment. 

Pellecchia is excited to have launched Armida Labs and acquired the SBIR grant. As the company grows, it will hire more personnel.

“Nothing would make me happier than to see our UCR research translated into experimental therapeutics. I am also thrilled to create new biotech jobs in Riverside, a region lacking incubator spaces where biotech companies can start and grow,” Pellecchia said. “At UCR, we graduate thousands of students and train many postdocs. But we are really educating and training them only to see them go elsewhere. We want them to stay and thrive in Riverside.”


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Gene expression signatures of human senescent corneal and conjunctival epithelial cells

“[…] our results from the RNA-Seq experiments show that senescent ocular surface cells, particularly SCj, have abnormal keratin expression patterns…

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“[…] our results from the RNA-Seq experiments show that senescent ocular surface cells, particularly SCj, have abnormal keratin expression patterns […]”

Credit: 2023 Kitazawa et al.

“[…] our results from the RNA-Seq experiments show that senescent ocular surface cells, particularly SCj, have abnormal keratin expression patterns […]”

A new priority research paper was published on the cover of Aging (listed by MEDLINE/PubMed as “Aging (Albany NY)” and “Aging-US” by Web of Science) Volume 15, Issue 18, entitled, “Gene expression signatures of human senescent corneal and conjunctival epithelial cells.”

In this new study, researchers Koji Kitazawa, Akifumi Matsumoto, Kohsaku Numa, Yasufumi Tomioka, Zhixin A. Zhang, Yohei Yamashita, Chie Sotozono, Pierre-Yves Desprez, and Judith Campisi from the Buck Institute for Research on Aging, Kyoto Prefectural University of Medicine and Lawrence Berkeley National Laboratory aimed to investigate the senescent phenotypes of human corneal and conjunctival epithelial cells.

“Here, we induced cellular senescence in human corneal and conjunctival epithelium using X-irradiation, and analyzed gene expression profiles of each cell type to determine the characteristics of senescent ocular surface cells.”

The team examined cell morphology, senescence-associated β-galactosidase (SA-β-gal) activity, cell proliferation, and expression of senescence markers (p16 and p21). RNA sequencing analysis was conducted to compare gene expression profiles between senescent and non-senescent cells. Finally, the potential involvement of senescent cells in the pathogenesis of ocular surface diseases was investigated.

X-irradiated corneal and conjunctival epithelial cells exhibited typical senescence phenotypes, i.e., flattened morphologies, increased SA-β-gal activity, decreased cell proliferation, and increased expression of senescence markers, p16 and p21. RNA-seq analysis revealed substantial differences in gene expression profiles between senescent corneal (SCo) and conjunctival epithelial cells (SCj). Moreover, SCj were detected in pathological conjunctival tissues associated with limbal stem cell deficiency (LSCD) due to Stevens-Johnson syndrome or chemical burns, potentially being involved in abnormal differentiation.

“This study highlights the cellular and molecular characteristics of senescent ocular surface cells, particularly in SCj that show abnormal keratin expression, and their potential roles in severe ocular surface diseases and pathology.”

 

Read the full study: DOI: https://doi.org/10.18632/aging.205113 

Corresponding Author: Koji Kitazawa & Judith Campisi – kkitazaw@koto.kpu-m.ac.jp & jcampisi@buckinstitute.org 

Keywords: cellular senescence, cornea, conjunctiva, Stevens-Johnson syndrome, limbal stem cell deficiency

Sign up for free Altmetric alerts about this article:  https://aging.altmetric.com/details/email_updates?id=10.18632%2Faging.205113
 

About Aging:

Launched in 2009, Aging (Aging-US) publishes papers of general interest and biological significance in all fields of aging research and age-related diseases, including cancer—and now, with a special focus on COVID-19 vulnerability as an age-dependent syndrome. Topics in Aging go beyond traditional gerontology, including, but not limited to, cellular and molecular biology, human age-related diseases, pathology in model organisms, signal transduction pathways (e.g., p53, sirtuins, and PI-3K/AKT/mTOR, among others), and approaches to modulating these signaling pathways.

Please visit our website at www.Aging-US.com​​ and connect with us:

 

Click here to subscribe to Aging publication updates.

For media inquiries, please contact media@impactjournals.com.

 

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Study reveals high accuracy of MR-guided radiotherapy for intracranial itereotactic radiosurgery

A new study, led by radiation oncology physicists at Miami Cancer Institute, part of Baptist Health South Florida, displayed positive results using intracranial…

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A new study, led by radiation oncology physicists at Miami Cancer Institute, part of Baptist Health South Florida, displayed positive results using intracranial stereotactic radiosurgery, also known as SRS, for an MR-guided radiotherapy system. The study, ‘Commissioning Intracranial Stereotactic Radiosurgery (SRS) for an MR-guided Radiotherapy (MRgRT) system: MR-RT Localization and Dosimetric End-to-End Validation’ published in the International Journal of Radiation Oncology – Biology – Physics (IJROBP), highlights positive accuracy through an end-to-end hidden target test to quantify the imaging, planning, and delivery coincidence of an MR Linac system, ViewRay MRIdian.

Credit: 1

A new study, led by radiation oncology physicists at Miami Cancer Institute, part of Baptist Health South Florida, displayed positive results using intracranial stereotactic radiosurgery, also known as SRS, for an MR-guided radiotherapy system. The study, ‘Commissioning Intracranial Stereotactic Radiosurgery (SRS) for an MR-guided Radiotherapy (MRgRT) system: MR-RT Localization and Dosimetric End-to-End Validation’ published in the International Journal of Radiation Oncology – Biology – Physics (IJROBP), highlights positive accuracy through an end-to-end hidden target test to quantify the imaging, planning, and delivery coincidence of an MR Linac system, ViewRay MRIdian.

Kathryn Mittauer, Ph.D., lead physicist for the MR-guided radiation therapy program with Miami Cancer Institute, was the first author of this study. Mittauer explains the team developed an in-house MR head phantom to simulate stereotactic radiosurgery for brain tumors. Specifically, the study simulated intracranial spherical targets, an irregularly shaped target, and a target abutting brainstem.  

Nema Bassiri, Ph.D., radiation oncology physicist with Miami Cancer Institute, and senior author of this study, explains that this delivery was successful with up to 99% accuracy. Bassiri adds that “this work enables the utilization of novel MR-guided radiotherapy technology for intracranial SRS, which has not been used with MR Linac systems.” MRI is the gold standard to evaluate and localize brain tumors due to soft tissue visualization capabilities.

“Since we demonstrated the accuracy of ViewRay MRIdian’s capability to deliver within a 1 mm setup margin in this work, we have now deployed this novel technique to our brain cancer patients at Miami Cancer Institute”, adds Mittauer. The team has observed that the volume of a patient’s tumor change during a 3-fraction radiosurgery course through using the onboard MR image guidance of the MR Linac system.

“What’s most impressive is that we are able to visualize how the tumor volume changes day to day, even throughout a short 3-fraction treatment. This research will help us better understand how these tumors change (including tumor progression), and the role of adaptive radiotherapy which adjusts the radiation to account for these changes to enable more precision”, shared Mittauer. “In the field of radiation oncology, this is revolutionary as we assess the frequency of these anatomical changes and how this will inform us for even other radiation choices.”

“In the future, we will see more studies that investigate the benefit of using MRIdian for stereotactic radiosurgery. This study will help advance the community by providing a blueprint to implement MR-guided SRS program for anyone who is interested in utilizing this treatment technique”, shared Bassiri.

The full study can be found here.

About Miami Cancer Institute

Miami Cancer Institute brings to South Florida access to personalized clinical treatments and comprehensive support services delivered with unparalleled compassion. No other cancer program in the region has the combination of cancer-fighting expertise and advanced technology—including the first proton therapy center in South Florida, Latin America and the Caribbean, and one of the only radiation oncology programs in the world with each of the newest radiation therapies in one place—to diagnose and deliver precise cancer treatments that achieve the best outcomes and improve the lives of cancer patients. The Institute offers an impressive roster of established community oncologists and renowned experts, clinical researchers and genomic scientists recruited from the nation’s top cancer centers. Selected as Florida’s only member of the Memorial Sloan Kettering Cancer (MSK) Alliance, Miami Cancer Institute is part of a meaningful clinical collaboration that affords patients in South Florida access to innovative treatments and ensures that the standards of care developed by their multidisciplinary disease management teams match those at MSK. For more information, please visit https://cancer.baptisthealth.net/miami-cancer-institute.

Miami Cancer Institute is part of Baptist Health Cancer Care, the largest cancer program in South Florida, with locations from the Florida Keys to the Palm Beaches.

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