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Share Name | Share Symbol | Market | Type |
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Taysha Gene Therapies Inc | NASDAQ:TSHA | NASDAQ | Common Stock |
Price Change | % Change | Share Price | Bid Price | Offer Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
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0.00 | 0.00% | 3.99 | 3.95 | 4.00 | 20 | 09:00:00 |
“Appropriate control of MECP2 transgene expression based on cellular levels of MeCP2 is fundamental to the development of a safe and effective gene therapy for Rett syndrome, given the mosaic pattern of MECP2 silencing in females with Rett syndrome,” said Sukumar Nagendran, M.D., President, and Head of R&D of Taysha. “These new in vitro data recapitulating our in vivo findings in neonatal mice further our mechanistic understanding of how the miRARE technology controls post-transcriptional MECP2 expression and reinforce the potential of TSHA-102 to address the root cause of Rett syndrome. We look forward to reporting available clinical data from the two adult patients dosed with TSHA-102 in the low-dose cohort of the REVEAL Phase 1/2 adult trial in mid-November and expect to dose the first pediatric patient with TSHA-102 in first quarter of 2024.”
The preclinical study presented at ESGCT used human (2v6.11) and mouse (N2a) cell culture models to explore the function of miRARE and its impact on MECP2 transgene and protein expression in the presence or absence of cellular MeCP2 using both viral AAV9 transduction and plasmid transfection containing either miRARE-regulated or SV40 (unregulated) elements.
In vitro data showed post-transcriptional gene silencing by miRARE in response to cellular MeCP2 levels can be recapitulated in human and mouse cell lines:
About TSHA-102TSHA-102 is a self-complementary intrathecally delivered AAV9 investigational gene transfer therapy in clinical evaluation for Rett syndrome. TSHA-102 utilizes a novel miRNA-Responsive Auto-Regulatory Element (miRARE) platform designed to mediate levels of MECP2 in the CNS on a cell-by-cell basis without risk of overexpression. TSHA-102 has received Fast Track designation and Orphan Drug and Rare Pediatric Disease designations from the FDA and has been granted Orphan Drug designation from the European Commission.
About Rett SyndromeRett syndrome is a rare neurodevelopmental disorder caused by mutations in the X-linked MECP2 gene, which is a gene that’s essential for neuronal and synaptic function in the brain. The disorder is characterized by intellectual disabilities, loss of communication, seizures, slowing and/or regression of development, motor and respiratory impairment, and shortened life expectancy. Rett syndrome primarily occurs in females and is one of the most common genetic causes of severe intellectual disability. Currently, there are no approved disease-modifying therapies that treat the genetic root cause of the disease. Rett syndrome caused by a pathogenic/likely pathogenic MECP2 mutation is estimated to affect between 15,000 and 20,000 patients in the U.S., EU and UK.
About Taysha Gene TherapiesTaysha Gene Therapies (Nasdaq: TSHA) is on a mission to eradicate monogenic CNS disease. With a singular focus on developing curative medicines, we aim to rapidly translate our treatments from bench to bedside. We have combined our team’s proven experience in gene therapy drug development and commercialization with the world-class UT Southwestern Gene Therapy Program. Together, we leverage our fully integrated platform with a goal of dramatically improving patients’ lives. More information is available at www.tayshagtx.com.
Forward-Looking StatementsThis press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “anticipates,” “believes,” “expects,” “intends,” “projects,” “plans,” and “future” or similar expressions are intended to identify forward-looking statements. Forward-looking statements include statements concerning the potential of TSHA-102 to positively impact quality of life and alter the course of disease in the patients we seek to treat and our research, development and regulatory plans for TSHA-102, including timing of expected clinical data and the dosing of additional patients. Forward-looking statements are based on management’s current expectations and are subject to various risks and uncertainties that could cause actual results to differ materially and adversely from those expressed or implied by such forward-looking statements. Accordingly, these forward-looking statements do not constitute guarantees of future performance, and you are cautioned not to place undue reliance on these forward-looking statements. Risks regarding our business are described in detail in our Securities and Exchange Commission (“SEC”) filings, including in our Annual Report on Form 10-K for the full-year ended December 31, 2022, and our Quarterly Report on Form 10-Q for the quarter ended June 30, 2023, both of which are available on the SEC’s website at www.sec.gov. Additional information will be made available in other filings that we make from time to time with the SEC. Such risks may be amplified by the impacts of the COVID-19 pandemic. These forward-looking statements speak only as of the date hereof, and we disclaim any obligation to update these statements except as may be required by law.
Company Contact:Hayleigh Collins Director, Head of Corporate CommunicationsTaysha Gene Therapies, Inc.hcollins@tayshagtx.com
Media Contact:Carolyn HawleyCanale Communicationscarolyn.hawley@canalecomm.com
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