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New sa‑mRNA and LNP Platform to Support Korea’s Hantavirus Vaccine Initiative

With hantavirus thrust into the public spotlight in recent months, a new effort in South Korea aims to advance vaccine development against the rodent-borne pathogen using mRNA technologies.

Korea University College of Medicine has been selected to lead a government-supported initiative focused on developing next-generation hantavirus vaccines. The program will be conducted through the institution’s Vaccine Innovation Center.

Hantaviruses are carried primarily by rodents and can infect humans through exposure to contaminated urine, droppings, or saliva. Depending on the viral strain, infection can cause hantavirus pulmonary syndrome (HPS), a severe respiratory illness, or hemorrhagic fever with renal syndrome (HFRS), a disease characterized by kidney dysfunction and bleeding complications. Although relatively rare, hantavirus infections can carry high mortality rates and remain a public health concern in parts of Asia, Europe, and the Americas.

The renewed focus on vaccine development comes amid growing interest in preparedness for emerging and re-emerging infectious diseases. While mRNA technology gained worldwide recognition during the COVID-19 pandemic, researchers have increasingly explored its application against a broader range of viral threats.

According to Korea University, the newly funded program will leverage the rapid development potential of mRNA platforms to generate vaccine candidates targeting hantavirus infection.

“The Vaccine Innovation Center is the only private-sector vaccine research and development institute in Korea established to carry forward the scientific legacy of Dr. Ho-Wang Lee, who first discovered the hantavirus,” said Hee-Jin Cheong, MD, PhD, director of the Vaccine Innovation Center. “Beginning with hantavirus vaccine development, we aim to lead infectious disease research in Korea and contribute to improving public health.”

The initiative will draw on two domestically developed technologies: self-amplifying mRNA (sa-mRNA) and a next-generation lipid nanoparticle (LNP) delivery platform. Unlike conventional mRNA vaccines, sa-mRNA contains genetic instructions that enable replication of the RNA within cells, potentially generating stronger immune responses while requiring lower doses. The platform is intended to support rapid vaccine development and manufacturing while reducing dependence on overseas intellectual property.

The project builds on research conducted over the past two years at the Vaccine Innovation Center in collaboration with Moderna. The new program will seek to translate preclinical study findings into a next-generation vaccine candidate developed in partnership with biotechnology companies.

Under the two-year project timeline, researchers will spend the first year optimizing vaccine candidates and evaluating their efficacy. The second year will focus on Good Manufacturing Practice (GMP)-compliant production and safety testing.

Researchers have increasingly viewed mRNA platforms as particularly attractive because they can be rapidly redesigned when emerging threats arise. Lessons learned from COVID-19 vaccine development have helped establish manufacturing, regulatory, and clinical frameworks that may accelerate future vaccine programs.

As concern over emerging infectious diseases continues to shape global health priorities, programs such as this one may help expand the range of vaccine technologies available to combat pathogens that have historically received limited research attention.

The post New sa‑mRNA and LNP Platform to Support Korea’s Hantavirus Vaccine Initiative appeared first on GEN – Genetic Engineering and Biotechnology News.

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Case Report: Delirium and complications resulting from the abuse of compound liquorice tablets

BackgroundCompound liquorice tablets is a cough-suppressing compound formulation containing opium powder and liquorice. With the strict regulation of traditional opioids, this medication has emerged as a novel alternative for substance abuse due to its easy accessibility and low cost; however, its addiction potential and severe adverse complications remain underrecognized and insufficiently addressed in clinical practice.Case summaryThe patient is a 29-year-old male who began self-medicating with compound liquorice tablets for a dry cough after COVID-19 infection. His daily dosage gradually escalated to 200–600 tablets within two years, resulting in established drug dependence. Two days after discontinuing the medication, he developed delirium manifested as confusion, disorientation, visual hallucinations and psychomotor agitation, accompanied by palpitations, hypertension, tremors, rhinorrhea, vomiting, severe hypokalemia, and bilateral lower limb edema. Organic brain diseases were excluded by systematic examinations. According to the ICD-10 diagnostic criteria, he was diagnosed with opioid-induced mental and behavioral disorders, hypokalemia and hypertension. We implemented a benzodiazepine tapering regimen to control delirium and sympathetic excitation associated with withdrawal symptoms, combined with antidepressants and antipsychotics to improve mood, anxiety, and psychotic symptoms, Under the guidance of a cardiologist, we actively managing hypertension and correcting internal environmental disturbances. Following comprehensive management, the patient’s withdrawal symptoms and delirium resolved, with stable emotional state and blood pressure, resulting in successful withdrawal.ConclusionThis is the first reported case of delirium caused by withdrawal from compound liquorice tablets. It provides preliminary insights for clinical identification, diagnosis, and multidisciplinary management of dependence on compound liquorice tablets, as well as related withdrawal symptoms and complications. This case also alerts to the emerging risk of abuse associated with new substances such as compound liquorice tablets and underscores the need for stricter prescription controls and patient education regarding the risks of abuse.
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Fatherhood and addictive disorders: experiences and support needs – results of a qualitative interview study

ObjectivesParental addictive disorders are a major public health problem. Despite already known negative effects, the parental role of men seeking help is rarely acknowledged within addiction support services. This study aims to identify existing relations between fatherhood and addiction, and the resulting support needs of affected fathers.MethodsFor data collection 15 fathers with addictive disorders were interviewed by using qualitative, guided interviews. The data material was analyzed using qualitative content analysis.ResultsThe effects of addictive disorders on fatherhood are predominantly unfavorable. Conversely, fatherhood can have consumption-reducing as well as consumption-increasing effects. In this context, five topics were identified in which fathers expressed specific support needs. Particularly fathers with substance use disorders expressed their need for further support, while fathers with behavioral addictions expressed a lesser need.ConclusionsPaying attention to fatherhood in the context of addiction services provides a starting point for increasing the motivation to change. Individual support needs should be considered when implementing father-specific programs. Not only the fathers themselves, but also their children can benefit from successful treatment and expected changes in fatherhood.
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Mechanisms and durability of residential treatment for co-occurring gambling and substance use disorders: a mixed-methods eight-year follow-up study

IntroductionGambling disorder is associated with substantial psychosocial harm, yet long-term outcome data for residential treatment programs remain limited.MethodsThis mixed-methods study examined outcomes among 36 former residential treatment clients assessed between six months and eight years following discharge from a program treating co-occurring gambling and substance use disorders. Structured interviews evaluated gambling behavior, psychiatric symptoms, substance use, and functional outcomes, supplemented by qualitative thematic analysis.ResultsSixty-one percent reported gambling following discharge; however, participants demonstrated significant improvements in gambling craving strength, life satisfaction, gambling-related interference, and alcohol use. Employment increased from 25.0% to 66.7%. Treatment non-completion was associated with earlier return to gambling and higher odds of post-discharge gambling. Qualitative analysis identified environmental restructuring, urge-management skill development, structured routines, and post-discharge support as key recovery mechanisms.DiscussionResidential treatment may support durable improvements in functioning and gambling-related distress among individuals with severe gambling disorder, although causal conclusions are limited by the observational design.
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From spatial patterning to coordinated execution: a cross-system framework for autism spectrum disorder

Autism spectrum disorder (ASD) is characterized by differences in social communication and restricted or repetitive behaviors, yet converging evidence also points to altered neural timing, synchronization, and large-scale coordination despite largely preserved gross neuroanatomy. Parallel observations across non-neural systems, including functional gastrointestinal disturbances, minor anomalies in neural crest–derived tissues, and variation in epithelial patterning outcomes, raise the possibility of a broader vulnerability in coordination-dependent biological processes. Here, we propose a framework in which developmental systems distinguish between spatial patterning mechanisms that establish tissue geometry and a calcium-dependent execution layer that stabilizes coordinated behavior across time. Patterning systems, including planar cell polarity signaling, morphogen gradients, and neural crest guidance cues, specify directional organization and spatial relationships among cells. Their realization, however, requires intracellular processes capable of synchronizing cytoskeletal remodeling, adhesion dynamics, excitability, and metabolic coupling across cells and networks. Within this framework, intracellular Ca²+ signaling – and particularly endoplasmic reticulum Ca²+ release mediated by inositol 1,4,5-trisphosphate receptors (ITPRs) – represents a candidate mechanism for stabilizing coordinated execution across biological systems. Partial disruption of this coordination layer could degrade synchronization, propagation, and temporal integration without abolishing underlying structural organization. This perspective provides a potential basis for linking altered cortical synchronization with coordination-dependent processes in enteric function, neural crest development, and epithelial patterning outcomes observed in ASD.This framework is not proposed as a universal explanation for ASD, but as a testable organizing model for coordination-related phenotypes across systems. By distinguishing spatial developmental instruction from the mechanisms that stabilize coordinated execution, this perspective generates experimentally tractable predictions across cellular, organoid, and systems-level models and offers a unifying framework for investigating coordination-dependent biology in ASD.