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Artificial Intelligence in Health                                 AI in ocular drug discovery and development



            ocular diseases. There is a plethora of neurodegenerative   algorithms. These models are often described as “black
            conditions that can cause damage to the optic nerve.  One   boxes” due to their opaque decision-making processes,
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            of the primary pathophysiological mechanisms of action   which are difficult for humans to comprehend.  This
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            involves the damage of retinal ganglion cell (RGC) axons.    lack of transparency can hinder the trust and acceptance
            There is emerging evidence suggesting that axonal damage   of AI-driven discoveries among clinicians, researchers,
            can initiate RGC death through reactive oxygen species   and regulatory bodies, which is critical for translating
            (ROS), which in turn increases disulfide bond formation   AI discoveries into practical therapeutic interventions.
            between cysteine side chains to cause further cellular   To address these challenges, the current strategies focus
            damage.  Redox-active phosphine-borane complexes have   on  the  development  of  explainable  AI  methods,  such  as
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            been proposed as protective molecules that can activate   feature importance scores and rule-based decision trees,
            cellular pathways to prevent these disulfide bonds from   designed to demystify AI decisions and enhance model
            forming.  However, limited pharmacological data exists   transparency. In addition,  integrating  domain-specific
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            for  these  compounds.  To  resolve  this  issue,  Remtulla   knowledge and employing hybrid models that combine
            et al.  trained neural networks on features such as cellular   deep learning with interpretable statistical methods are
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            permeability, oral absorption, blood–brain barrier   proving  crucial in  improving  both  the interpretability
            permeability, and serum protein binding to reliably predict   and reliability of these systems. Ensuring robustness
            the pharmacokinetics of boron-containing compounds.   and generalization through rigorous testing, coupled
            Their  results  revealed  that  phosphine-boron  compounds   with proactive stakeholder engagement, is essential to
            met  the necessary  pharmacokinetic  profile  to  function   validating and gaining acceptance for AI technologies in
            as orally active drug candidates. Ultimately, this study   clinical settings.
            underscores the innovative use of machine learning in   The integration of AI into drug discovery also
            evaluating the pharmacokinetics of emerging compounds,   presents ethical and regulatory challenges. The use of
            such as phosphine-borane complexes, advancing their   patients’ data raises privacy concerns, requiring stringent
            potential as neuroprotective agents against RGC damage.   data protection measures and ethical oversight to
            It exemplifies the ability to generate new perspectives   ensure  patient  confidentiality  and  consent.   Moreover,
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            in ocular pharmacology using pre-existing data and AI   regulatory frameworks for AI-assisted drug discovery
            algorithms.                                        and development are still in their infancy, lacking clear

            4. Challenges and limitations                      guidelines for validation,  approval,  and  oversight of
                                                               AI-driven methodologies. This regulatory uncertainty can
            Despite the promising advancements and successful   delay the adoption and application of AI technologies in
            applications of AI in ophthalmologic drug discovery,   ophthalmology drug discovery.
            several challenges and limitations remain that require
            acknowledgment  and  resolution.  First  and  foremost,   5. Future direction
            the quality and quantity of data available for AI models   The integration of AI into ophthalmologic drug discovery
            significantly influence their performance and reliability.    marks a new era of medical innovation and operational
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            In the realm of ophthalmology, high-quality, diverse,   efficiency, addressing longstanding challenges and opening
            and annotated  datasets,  especially  from clinical settings,   new avenues for therapeutic development. Looking ahead,
            are often scarce or fragmented.  This limitation can lead   several research objectives are set to further leverage the
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            to biases in AI models, reducing their generalizability   capabilities of AI systems. Among these, a key goal will
            and accuracy when applied to broader, more diverse   involve employing these technologies to enhance our
            populations.                                       understanding of complex  eye diseases at the molecular
              Furthermore, the computational resources required for   level. Future efforts are likely to focus on developing more
            AI research are substantial. The processing of large datasets   sophisticated algorithms that can process and analyze
            and the training of sophisticated models necessitate advanced   the increasingly large and complex datasets generated
            hardware and significant computational power, which can   by biomedical research.  This will not only improve the
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            be a barrier for institutions with limited resources.  This   accuracy of target identification and validation but also
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            technological and financial barrier may lead to disparities in   enable the discovery of novel biomarkers and therapeutic
            research advancements and the adoption of AI technologies   targets. 2
            across different regions and institutions.
                                                                 Another promising direction involves the integration of
              Another significant challenge is the interpretability   AI with other emerging technologies, such as gene editing
            of AI models, particularly those based on deep learning   and stem cell therapy.  By combining AI’s predictive
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            Volume 1 Issue 3 (2024)                         28                               doi: 10.36922/aih.3341
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