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This paper aims to explore the possibility of employing large language models (LLMs) - a type of artificial intelligence (AI) - in clinical pharmacology, with a focus on its possible misuse in bioweapon development. Additionally, ethical considerations, legislation and potential risk reduction measures are analysed. The existing literature is reviewed to investigate the potential misuse of AI and LLMs in bioweapon creation. The search includes articles from PubMed, Scopus and Web of Science Core Collection that were identified using a specific protocol. To explore the regulatory landscape, the OECD.ai platform was used. The review highlights the dual-use vulnerability of AI and LLMs, with a focus on bioweapon development. Subsequently, a case study is used to illustrate the potential of AI manipulation resulting in harmful substance synthesis. Existing regulations inadequately address the ethical concerns tied to AI and LLMs. Mitigation measures are proposed, including technical solutions (explainable AI), establishing ethical guidelines through collaborative efforts, and implementing policy changes to create a comprehensive regulatory framework. The integration of AI and LLMs into clinical pharmacology presents invaluable opportunities, while also introducing significant ethical and safety considerations. Addressing the dual-use nature of AI requires robust regulations, as well as adopting a strategic approach grounded in technical solutions and ethical values following the principles of transparency, accountability and safety. Additionally, AI's potential role in developing countermeasures against novel hazardous substances is underscored. By adopting a proactive approach, the potential benefits of AI and LLMs can be fully harnessed while minimizing the associated risks.
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Farmacologia Clínica , Humanos , Inteligência Artificial , IdiomaRESUMO
As the world tries to grapple with the COVID-19 pandemic, dermatologists are left in a lurch as there is a lacuna in dermatologic literature as well as training regarding the cutaneous manifestations of varied viral agents capable of causing epidemics/pandemics or the potential to be bio-weaponised. Such outbreaks have the potential to become a pandemic given this age of globalisation. The quote by George Santayana stands true 'Those who cannot remember the past are condemned to repeat it'. Thus, this article lends a perspective to the recent viral outbreaks and is aimed at summarising these agents and their clinical features to serve as a quick reference for dermatologists.
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Teste para COVID-19 , COVID-19/complicações , SARS-CoV-2/isolamento & purificação , Dermatopatias Virais/patologia , Biópsia , COVID-19/diagnóstico , COVID-19/patologia , Dermatologia/normas , Diagnóstico Diferencial , Gerenciamento Clínico , Diagnóstico Precoce , Humanos , Dermatopatias Virais/diagnósticoRESUMO
Here, different monoclonal antibodies (mAb1, mAb2 and mAb3) of Ebola virus were screened in a real-time and label-free manner using surface plasmon resonance (SPR) to select an appropriate antibody for biosensor applications against a biological warfare agent. For this purpose, a gold SPR chip was modified with 4-mercaptobenzoic acid (4-MBA), and modification was confirmed by FTIR-ATR and EIS. The 4-MBA-modified gold SPR chip was used for immobilization of the recombinant nucleoprotein of Ebola (EBOV-rNP), and the interactions of mAb1, mAb2 and mAb3 were then investigated to determine the best mAb based on the affinity constant (KD), expressed as equilibrium dissociation constant. KD values of 809 nM, 350 pM and 52 pM were found for the interaction of mAb1, mAb2 and mAb3 of Ebola with the immobilized EBOV-rNP, respectively, thus reflecting the high affinity of mAb3. This was confirmed by ELISA results. The thermodynamic parameters (ΔG, ΔH and ΔS) for the interaction between mAb3 and EBOV-rNP were also determined, which revealed that the interaction was spontaneous, endothermic and driven by entropy. The SPR limit of detection of EBOV-rNP with mAb3 was 0.5 pg ml-1, showing mAb3 to be the best high-affinity antibody in our study. This study has opened up new possibilities for SPR screening of different monoclonal antibodies of BWA through the convergence of materials science and optical techniques.
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Ebolavirus/isolamento & purificação , Doença pelo Vírus Ebola/virologia , Ressonância de Plasmônio de Superfície/métodos , Anticorpos Monoclonais/química , Anticorpos Monoclonais/imunologia , Afinidade de Anticorpos , Benzoatos/química , Ebolavirus/imunologia , Doença pelo Vírus Ebola/diagnóstico , Humanos , Compostos de Sulfidrila/química , TermodinâmicaRESUMO
Diseases can be caused naturally by biological agents such as bacteria, viruses and toxins (natural risk). However, such biological agents can be intentionally disseminated in the environment by a State (military context) or terrorists to cause diseases in a population or livestock, to destabilize a nation by creating a climate of terror, destabilizing the economy and undermining institutions. Biological agents can be classified according to the severity of illness they cause, its mortality and how easily the agent can be spread. The Centers for Diseases Control and Prevention (CDC) classify biological agents in three categories (A, B and C); Category A consists of the six pathogens most suitable for use as bioweapons (Bacillus anthracis, Yersinia pestis, Francisella tularensis, botulinum neurotoxins, smallpox and viral hemorrhagic fevers). Antibodies represent a perfect biomedical countermeasure as they present both prophylactic and therapeutic properties, act fast and are highly specific to the target. This review focuses on the main biological agents that could be used as bioweapons, the history of biowarfare and antibodies that have been developed to neutralize these agents.
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Anticorpos/uso terapêutico , Antídotos/uso terapêutico , Guerra Biológica/métodos , Bioterrorismo , Animais , Anticorpos/efeitos adversos , Anticorpos/imunologia , Antídotos/efeitos adversos , Planejamento em Desastres , Interações Hospedeiro-Patógeno , HumanosRESUMO
During World War I (WWI), also referred to as 'The Great War,' Germany implemented a pioneering biowarfare program as part of a broader military strategy to undermine Allied forces by targeting their logistical and supply capabilities. This initiative, unprecedented in its systematic and strategic application, utilized a variety of pathogens, primarily targeting animal populations, to disrupt support systems without contravening international laws, specifically the 1907 Hague Convention. The operations, shrouded in secrecy and largely led by the German General Staff, included sophisticated sabotage actions against both enemy and neutral states. The allegations and usage of bioweapons increased the interest of the Great Powers in further developing their own biowarfare program.
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The coronavirus disease 2019 pandemic accelerated developments in biotechnology that underpin infection science. These advances present an opportunity to refresh the microbial forensic toolkit. Integration of novel analytical techniques with established forensic methods will speed up acquisition of evidence and better support lines of enquiry. A critical part of any such investigation is demonstration of a robust causal relationship and attribution of responsibility for an incident. In the wider context of a formal investigation into agency, motivation and intent, the quick and efficient assembly of microbiological evidence sets the tone and tempo of the entire investigation. Integration of established and novel analytical techniques from infection science into a systematic approach to microbial forensics will therefore ensure that major perspectives are correctly used to frame and shape the evidence into a clear narrative, while recognizing that forensic hypothesis generation, testing and refinement comprise an iterative process. Development of multidisciplinary training exercises that use this approach will enable translation into practice and efficient implementation when the need arises.
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Bioterrorismo , Microbiologia Forense , Técnicas Microbiológicas/métodosRESUMO
In this paper, we reveal the anthrax weaponization in the Soviet Union and its impact on biowarfare research, technology, and public health that resulted in the development of the first Soviet Anthrax vaccine and the subsequent vaccination of animals and humans en masse. We assume that there are cases that a biowarfare technology was incorporated into the civilian industry and benefited public health. However, the legacy of bioweapons today still poses an asymmetric threat to public health and safety.
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B. anthracis is one of the most often weaponized pathogens. States had it in their bioweapons programs and criminals and terrorists have used or attempted to use it. This study is motivated by the narrative that emerging and developing technologies today contribute to the amplification of danger through greater easiness, accessibility and affordability of steps in the making of an anthrax weapon. As states would have way better preconditions if they would decide for an offensive bioweapons program, we focus on bioterrorism. This paper analyzes and assesses the possible bioterrorism threat arising from advances in synthetic biology, genome editing, information availability, and other emerging, and converging sciences and enabling technologies. Methodologically we apply foresight methods to encourage the analysis of contemporary technological advances. We have developed a conceptual six-step foresight science framework approach. It represents a synthesis of various foresight methodologies including literature review, elements of horizon scanning, trend impact analysis, red team exercise, and free flow open-ended discussions. Our results show a significant shift in the threat landscape. Increasing affordability, widespread distribution, efficiency, as well as ease of use of DNA synthesis, and rapid advances in genome-editing and synthetic genomic technologies lead to an ever-growing number and types of actors who could potentially weaponize B. anthracis. Understanding the current and future capabilities of these technologies and their potential for misuse critically shapes the current and future threat landscape and underlines the necessary adaptation of biosecurity measures in the spheres of multi-level political decision making and in the science community.
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Smallpox plagued humans for millennia until its eradication in 1980 following a successful global campaign led by the World Health Organization (WHO). It is the first known biological weapon to be used in war and has been weaponized in the past by the former Soviet Union. To date, smallpox remains a Category A Bioagent and is assessed to be a relevant threat to US military personnel. Given that the last natural case of smallpox occurred more than 40 years ago, a high level of suspicion along with a substantial understanding of the disease process are required to recognize potential future cases. While available countermeasures are limited, several new agents have recently become available for the prevention and treatment of smallpox and have been added to the strategic national stockpile. This review serves as a refresher and update for the clinical disease, to include its epidemiology and management with updated FDA-approved countermeasures.
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Varíola , Armas Biológicas , Bioterrorismo/prevenção & controle , Humanos , Varíola/prevenção & controle , Organização Mundial da SaúdeRESUMO
The question of the origin of coronavirus spread like wildfire ever since it wreaked havoc among humankind, and ever since the scientific community has worked tirelessly to trace the history of the virus. In this review, we have tried to compile relevant literature pertaining to the different theories of origin of SARS-CoV-2, hopefully without any bias, and we strongly support the zoonotic origin of the infamous SARS-CoV-2 in bats and its transfer to human beings through the most probable evolutionary hosts, pangolins and minks. We also support the contemporary 'Circulation Model' that simply mirrors the concept of evolution to explain the origin of the virus which, the authors believe, is the most rational school of thought. The most recent variant of SARS-CoV-2, Omicron, has been taken as an example to clarify the concept. We recommend the community to refer to this model for further understanding and delving deep into this mystery of the origin of SARS-CoV-2.
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Yersinia pestis is the causative agent of plague and is considered one of the most likely pathogens to be used as a bioweapon. In humans, plague is a severe clinical infection that can rapidly progress with a high mortality despite antibiotic therapy. Therefore, early treatment of Y. pestis infection is crucial. This review provides an overview of its clinical manifestations, diagnosis, treatment, prophylaxis, and protection requirements for the use of clinicians. We discuss the likelihood of a deliberate release of plague and the feasibility of obtaining, isolating, culturing, transporting and dispersing plague in the context of an attack aimed at a westernized country. The current threat status and the medical and public health responses are reviewed. We also provide a brief review of the potential prehospital treatment strategy and vaccination against Y. pestis. Further, we discuss the plausibility of antibiotic resistant plague bacterium, F1-negative Y. pestis, and also the possibility of a plague mimic along with potential strategies of defense against these. An extensive literature search on the MEDLINE, EMBASE, and Web of Science databases was conducted to collate papers relevant to plague and its deliberate release. Our review concluded that the deliberate release of plague is feasible but unlikely to occur, and that a robust public health response and early treatment would rapidly halt the transmission of plague in the population. Front-line clinicians should be aware of the potential of a deliberate release of plague and prepared to instigate early isolation of patients. Moreover, front-line clinicians should be weary of the possibility of suicide attackers and mindful of the early escalation to public health organizations.
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Smallpox (variola) virus is considered a Category A bioterrorism agent due to its ability to spread rapidly and the high morbidity and mortality rates associated with infection. Current recommendations recognize the importance of oral antivirals and call for having at least two smallpox antivirals with different mechanisms of action available in the event of a smallpox outbreak. Multiple antivirals are recommended due in large part to the propensity of viruses to become resistant to antiviral therapy, especially monotherapy. Advances in synthetic biology heighten concerns that a bioterror attack with variola would utilize engineered resistance to antivirals and potentially vaccines. Brincidofovir, an oral antiviral in late stage development, has proven effective against orthopoxviruses in vitro and in vivo, has a different mechanism of action from tecovirimat (the only oral smallpox antiviral currently in the US Strategic National Stockpile), and has a resistance profile that reduces concerns in the scenario of a bioterror attack using genetically engineered smallpox. Given the devastating potential of smallpox as a bioweapon, preparation of a multi-pronged defense that accounts for the most obvious bioengineering possibilities is strategically imperative.
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Antivirais/uso terapêutico , Armas Biológicas , Citosina/análogos & derivados , Surtos de Doenças/prevenção & controle , Organofosfonatos/uso terapêutico , Varíola/prevenção & controle , Varíola/terapia , Animais , Antivirais/farmacocinética , Benzamidas/uso terapêutico , Citosina/farmacocinética , Citosina/uso terapêutico , Bases de Dados de Produtos Farmacêuticos , Farmacorresistência Viral/efeitos dos fármacos , Farmacorresistência Viral/genética , Quimioterapia Combinada , Humanos , Isoindóis/uso terapêutico , Modelos Animais , Organofosfonatos/farmacocinética , Vírus da Varíola/efeitos dos fármacos , Vírus da Varíola/genéticaRESUMO
With the increasing rate of Ebola virus appearance, with multiple natural outbreaks of Ebola hemorrhagic fever, it is worthy of consideration as bioweapon by anti-national groups. Further, with the non-availability of the vaccines against Ebola virus, concerns about the public health emerge. In this regard, this review summarizes the structure, genetics and potential of Ebola virus to be used as a bioweapon. We highlight the recent advances in the treatment strategies and vaccine development against Ebola virus. The understanding of these aspects might lead to effective treatment practices which can be applied during the future outbreaks of Ebola.
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INTRODUCTION: Botulinum neurotoxins (BoNTs) are the most potent toxins known. BoNTs are responsible for botulism, a deadly neuroparalytic syndrome caused by the inactivation of neurotransmitter release at peripheral nerve terminals. Thanks to their specificity and potency, BoNTs are both considered potential bio-weapons and therapeutics of choice for a variety of medical syndromes. Several variants of BoNTs have been identified with individual biological properties and little antigenic relation. This expands greatly the potential of BoNTs as therapeutics but poses a major safety problem, increasing the need for finding appropriate antidotes. Areas covered: The authors describe the multi-step molecular mechanism through which BoNTs enter nerve terminals and discuss the many levels at which the toxins can be inhibited. They review the outcomes of the different strategies adopted to limit neurotoxicity and counter intoxication. Potential new targets arising from the last discoveries of the mechanism of action and the approaches to promote neuromuscular junction recovery are also discussed. Expert opinion: Current drug discovery efforts have mainly focused on BoNT type A and addressed primarily light chain proteolytic activity. Development of pan-BoNT inhibitors acting independently of BoNT immunological properties and targeting a common step of the intoxication process should be encouraged.
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Antídotos/farmacologia , Toxinas Botulínicas/antagonistas & inibidores , Descoberta de Drogas/métodos , Animais , Antitoxina Botulínica/farmacologia , Toxinas Botulínicas/toxicidade , Botulismo/tratamento farmacológico , Desenho de Fármacos , Humanos , Junção Neuromuscular/patologia , Neurotoxinas/antagonistas & inibidores , Neurotoxinas/toxicidadeRESUMO
The high toxicity of ricin and its ease of production have made it a major bioterrorism threat worldwide. There is however no efficient and approved treatment for poisoning by ricin inhalation, although there have been major improvements in diagnosis and therapeutic strategies. We describe the development of an anti-ricin neutralizing monoclonal antibody (IgG 43RCA-G1) and a device for its rapid and effective delivery into the lungs for an application in humans. The antibody is a full-length IgG and binds to the ricin A-chain subunit with a high affinity (KD=53pM). Local administration of the antibody into the respiratory tract of mice 6h after pulmonary ricin intoxication allowed the rescue of 100% of intoxicated animals. Specific operational constraints and aerosolization stresses, resulting in protein aggregation and loss of activity, were overcome by formulating the drug as a dry-powder that is solubilized extemporaneously in a stabilizing solution to be nebulized. Inhalation studies in mice showed that this formulation of IgG 43RCA-G1 did not induce pulmonary inflammation. A mesh nebulizer was customized to improve IgG 43RCA-G1 deposition into the alveolar region of human lungs, where ricin aerosol particles mostly accumulate. The drug delivery system also comprises a semi-automatic reconstitution system to facilitate its use and a specific holding chamber to maximize aerosol delivery deep into the lung. In vivo studies in monkeys showed that drug delivery with the device resulted in a high concentration of IgG 43RCA-G1 in the airways for at least 6h after local deposition, which is consistent with the therapeutic window and limited passage into the bloodstream.
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Anticorpos Monoclonais/administração & dosagem , Anticorpos Neutralizantes/administração & dosagem , Substâncias para a Guerra Química/intoxicação , Sistemas de Liberação de Medicamentos/métodos , Lesão Pulmonar/tratamento farmacológico , Alvéolos Pulmonares/efeitos dos fármacos , Ricina/intoxicação , Aerossóis , Animais , Anticorpos Monoclonais/farmacocinética , Anticorpos Monoclonais/uso terapêutico , Anticorpos Monoclonais/toxicidade , Anticorpos Neutralizantes/uso terapêutico , Anticorpos Neutralizantes/toxicidade , Feminino , Humanos , Células Jurkat , Lesão Pulmonar/induzido quimicamente , Macaca fascicularis , Masculino , Camundongos Endogâmicos BALB C , Nebulizadores e Vaporizadores , Distribuição TecidualRESUMO
PURPOSE: Anthrax is caused by Bacillus anthracis, which can naturally infect livestock, wildlife and occupationally exposed humans. However, for its resistance due to spore formation, ease of dissemination, persistence in the environment and high virulence, B. anthracis has been considered the most serious bioterrorism agent for a long time. During the last century anthrax evolved from limited natural disease to potentially global threat if used as bioweapon. Several factors may mitigate the consequences of an anthrax attack, including 1. the capability to promptly recognize and manage the illness and its public health consequences; 2. the limitation of secondary contamination risk through an appropriate decontamination; and 3. the evolution of genotyping methods (for microbes characterization at high resolution level) that can influence the course and/or focus of investigations, impacting the response of the government to an attack. METHODS: A PubMed search has been done using the key words "bioterrorism anthrax". RESULTS: Over one thousand papers have been screened and the most significant examined to present a comprehensive literature review in order to discuss the current knowledge and strategies in preparedness for a possible deliberate release of B. anthracis spores and to indicate the most current and complete documents in which to deepen. CONCLUSIONS: The comprehensive analysis of the two most relevant unnatural anthrax release events, Sverdlovsk in the former Soviet Union (1979) and the contaminated letters in the USA (2001), shows that inhalational anthrax may easily and cheaply be spread resulting in serious consequences. The damage caused by an anthrax attack can be limited if public health organization, first responders, researchers and investigators will be able to promptly manage anthrax cases and use new technologies for decontamination methods and in forensic microbiology.
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Antraz/prevenção & controle , Bacillus anthracis/isolamento & purificação , Bioterrorismo , Doenças Profissionais/prevenção & controle , Exposição Ocupacional/análise , Infecções Respiratórias/prevenção & controle , Antraz/microbiologia , Bacillus anthracis/genética , Bacillus anthracis/patogenicidade , Descontaminação , Genótipo , Humanos , Doenças Profissionais/microbiologia , Exposição Ocupacional/prevenção & controle , Saúde Pública , Infecções Respiratórias/microbiologia , VirulênciaRESUMO
Bioterrorism is not only a reality of the times in which we live but bioweapons have been used for centuries. Critical care physicians play a major role in the recognition of and response to a bioterrorism attack. Critical care clinicians must be familiar with the diagnosis and management of the most likely bioterrorism agents, and also be adequately prepared to manage a mass casualty situation. This article reviews the epidemiology, diagnosis, and treatment of the most likely agents of biowarfare and bioterrorism.
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Armas Biológicas , Bioterrorismo , Cuidados Críticos , Incidentes com Feridos em Massa , Animais , Antraz/diagnóstico , Antraz/terapia , Antraz/transmissão , Coccidioidomicose/diagnóstico , Coccidioidomicose/terapia , Coccidioidomicose/transmissão , Surtos de Doenças , Febres Hemorrágicas Virais/diagnóstico , Febres Hemorrágicas Virais/terapia , Febres Hemorrágicas Virais/transmissão , Humanos , Insetos/patogenicidade , Noxas/análise , Noxas/intoxicação , Peste/diagnóstico , Peste/terapia , Peste/transmissão , Febre Q/diagnóstico , Febre Q/terapia , Febre Q/transmissão , Varíola/diagnóstico , Varíola/terapia , Varíola/transmissão , Toxinas Biológicas/análise , Toxinas Biológicas/intoxicação , Tularemia/diagnóstico , Tularemia/terapia , Tularemia/transmissãoRESUMO
There have more than toxic microbial and viruses in the list of bioweapon for the bioterrorism and biowar. The fights for bioterrorism and biodisaster are activities of society and community. Individuals and community have responsibilities to protect, fight, and reduce the damage timely and effectively to bioterrorism. The professional facilities are responsible for investigating, isolating the germs, toxics and implementing the effective solutions for management of outcomes of bioweapon.