The antidotes for some particular toxins are manufactured by injecting the toxin into an animal in small doses and extracting the resulting antibodies from the host animals' blood. This results in an antivenom that can be used to counteract venom produced by certain species of snakes, spiders, and other venomous animals. Some animal venoms, especially those produced by arthropods (such as certain spiders, scorpions, and bees) are only potentially lethal when they provoke allergic reactions and induce anaphylactic shock; as such, there is no "antidote" for these venoms; however anaphylactic shock can be treated (e.g. with epinephrine).

In early 2019, a group of researchers in Australia published the finding of a new box jellyfish venom antidote using CRISPR.[4] The technology had been used to functionally inactivate genes in human cell lines and identify the peripheral membrane protein ATP2B1, a calcium transporting ATPase, as one host factor required for box jellyfish venom cytotoxicity.[5]


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I would really love to get antidote correction support directly in Obsidian.

No need to be real time at first, it could just show as a shortcut you can use to launch Antidote correction on any page.

CRISPR gene drive systems allow the rapid spread of a genetic construct throughout a population. Such systems promise novel strategies for the management of vector-borne diseases and invasive species by suppressing a target population or modifying it with a desired trait. However, current homing-type drives have two potential shortcomings. First, they can be thwarted by the rapid evolution of resistance. Second, they lack any mechanism for confinement to a specific target population. In this study, we conduct a comprehensive performance assessment of several new types of CRISPR-based gene drive systems employing toxin-antidote (TA) principles, which should be less prone to resistance and allow for the confinement of drives to a target population due to invasion frequency thresholds.

The underlying principle of the proposed CRISPR toxin-antidote gene drives is to disrupt an essential target gene while also providing rescue by a recoded version of the target as part of the drive allele. Thus, drive alleles tend to remain viable, while wild-type targets are disrupted and often rendered nonviable, thereby increasing the relative frequency of the drive allele. Using individual-based simulations, we show that Toxin-Antidote Recessive Embryo (TARE) drives targeting an haplosufficient but essential gene (lethal when both copies are disrupted) can enable the design of robust, regionally confined population modification strategies with high flexibility in choosing promoters and targets. Toxin-Antidote Dominant Embryo (TADE) drives require a haplolethal target gene and a germline-restricted promoter, but they could permit faster regional population modification and even regionally confined population suppression. Toxin-Antidote Dominant Sperm (TADS) drives can be used for population modification or suppression. These drives are expected to spread rapidly and could employ a variety of promoters, but unlike TARE and TADE, they would not be regionally confined and also require highly specific target genes.

The underlying design principle of all TA drive systems is that the drive alleles contain a toxin together with an antidote that rescues the effect of the toxin. We assume that the toxin is a CRISPR nuclease targeting an essential gene that will be disrupted and rendered nonfunctional when mutations are introduced at the cut sites through end-joining or homology-directed repair. The antidote consists of a recoded version of the gene, which does not match the gRNAs and therefore cannot be cleaved by the drive. Cells or individuals exposed to the toxin will often be nonviable, unless rescued by a drive allele. In contrast to homing drives that spread by directly increasing the number of drive alleles, TA drives spread by reducing the number of wild-type alleles (and thus still increasing the relative frequency of the drive). Various potential arrangements and targets for TA systems can be conceived. In this study, we will focus on three general classes of such systems:

Alternative configurations are also possible that would change the dynamics of TA drives [53]. For example, to achieve a greater degree of local confinement (at the costs of greater required release sizes, as is usually the case with such systems), a 2-locus 2-toxin-antidote system [45, 46, 52] could be engineered by using two TARE drives, each providing rescue for the target gene of the other system [53]. Such a system could presumably be engineered quite easily and combined with a tethered homing suppression drive [54], as could other TA systems with an introduction threshold. Note, however, that the germline-only nuclease promoter needed for the tethered homing element may slow down a TARE-based drive due to the lack of embryo activity. Alternatives would be to use TADE drives with germline-only Cas9 expression, different nucleases in the TARE components, or expression of the tethered gRNAs with a germline promoter while retaining a Cas9 promoter that allows for cleavage in both the germline and early embryo. Highly localized suppression could also be obtained with a 2-locus TADE system, with one of the TADE alleles disrupting a sex-specific fertility gene, as in TADE suppression [53]. Indeed, a standard TADE suppression system with a promoter that has high embryo activity could itself be a feasible method for local population suppression, with the level of embryo activity allowing a variable introduction threshold, even without fitness costs [53]. Furthermore, either of these TADE-based methods could be used for population modification if not located in a fertility gene, and a TARE/ClvR drive with a target that is not fully haplosufficient will also have a nonzero introduction threshold even without a fitness cost [40, 53]. Each of these systems should be possible to engineer with current techniques and target genes that are already characterized.

Note: If you installed antidote with a package manager, the path will be differentthan ${ZDOTDIR:-~}/.antidote so you will need to modify the above script with source /path/to/antidote.zsh. For example, if you are using homebrew on macOS, thecommand you will need will be:source $(brew --prefix)/opt/antidote/share/antidote/antidote.zsh.Be sure to follow the instructions provided by your package manager.

However, you could choose generate your static plugins file manually withantidote bundle. Basically, antidote will only need to run when you change your.zsh_plugins.txt file. After you change this, use antidote to regenerate the staticfile.

Help getting startedIf you want to see a full-featured example Zsh configuration using antidote, you can have a look at the zdotdir project. Feel free to incorporate code or plugins from it into your own dotfiles, or you can fork it to get started building your own Zsh config from scratch driven by antidote.

Development: Follow antidote progress on the GitHub repository Want to a feature or need to file a bug report? see GitHub issues here Antidote organizationĀ  Website source Attributions: Site built with Jekyll usingGitHub Pages Logo and favicon from svgrepo.com A huge thank you to Carlos for all his work onantibody over the years.

Considering the complex nature and dynamics of hybrid warfare, a range of policy and strategic responses have been propounded by experts. Some of these revolve around measures for detecting, deterring, countering, and responding to hybrid threats in a meticulous manner. Nevertheless, with the information, cognitive and social domains becoming the cornerstone of hybrid warfare, any set of solutions sans confidence-and trust-building will probably fall short of offering effective antidotes.

However, because anticoagulants stop the blood from clotting normally, patients taking them can be at risk of serious and uncontrolled bleeding, especially in emergency situations. Until now, there has been no specific antidote that could prevent the anticoagulant effect of apixaban or rivaroxaban once they have been given.


To speed response to chemical emergencies including acts of terrorism, the U.S. Department of Health and Human Services (HHS) will provide funding and technical expertise to Aktiv Pharma Group of Broomfield, Colorado, for development of an autoinjector to administer a chemical antidote. HHS will purchase the product if the device receives regulatory approval.

The Biomedical Advanced Research and Development Authority (BARDA), part of the HHS Administration for Strategic Preparedness and Response, is using authority under the 2004 Project BioShield Act and $45.3 million in Project BioShield designated funding to support this preparedness effort. The contract has options for additional work, purchase, and delivery of the antidote-filled devices which could total $220 million over seven years.

If FDA-approved, the antidote-filled autoinjectors will become part of CHEMPACKs, containers of nerve agent antidotes stored securely in jurisdictions around the country for immediate response to a chemical incident.

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