Page 84 - SAMRC AnnualReport 2025-26
P. 84

AI in Medical and Health Research

                                                               CTR researchers are increasingly integrating
                                                               artificial   intelligence   (AI)   and   data-driven
                                                               technologies   to  strengthen   TB   research,
                                                               innovation, and evidence-based decision-making.
                                                               Advanced bioinformatics and computational
                                                               approaches underpin the Centre’s work in
                                                               pathogen biology, enabling the analysis of large-
                                                               scale omics and clinical datasets to identify genetic
                                                               determinants of drug resistance and tolerance,
                                                               understand pathogen  evolution, and  investigate
                                                               host-pathogen interactions. These efforts are
                                                               supported by whole genome sequencing, targeted
                Imaging of the lung tissue obtained by surgery
                from TB patients, indicating localization of   next-generation sequencing, digital PCR, and
                neutrophils with tissue destruction (far right).   robust data harmonisation pipelines that generate
                Lung tissue from cancer patients (left) is used   AI-ready datasets tailored to African populations.
                as control, while non-necrotic lung tissue
                (less damaged) shows less accumulation of      The Centre is also expanding its use of machine
                neutrophils.                                   learning to analyse genomic and pharmacogenomic
                                                               data, including the identification of TB susceptibility
                                                               markers, optimisation of polygenic risk scores, and
                                                               characterisation of pharmacogenetic variation
                                                               relevant  to  precision  medicine.  In  parallel,  CTR
                                                               applies AI in imaging and diagnostics through AI-
                                                               assisted PET-CT analysis for improved assessment
                                                               of pulmonary and subclinical TB, and through the
                                                               EDCTP-funded AddiCAD project, which combines
                                                               AI-based  chest  X-ray  interpretation  with  rapid
                                                               biomarker testing to enhance TB detection in
                                                               decentralised and resource-limited settings.
                                                               AI  further  supports  translational  research  and
                Images showing AI as a utility to analyse
                severity of lung pathology in the spectrum     innovation at CTR. Machine learning models are
                of TB disease. Top image shows an AI model     being developed to predict antibiotic activity,
                utilized to grade lung damage. Second panel    prioritise novel drug candidates, characterise
                depicts TB lung images generated through       Mycobacterium tuberculosis phenotypes, quantify
                AI, showing distinct pathology across lesions   bacterial  growth  in  culture,  and  inform  treatment
                of different disease severity. Bottom panel    decisions  for  drug-resistant  TB.  In  addition,  AI
                shows the use of AI to grade lung pathological   tools are increasingly embedded in bioinformatics
                changes over time post TB treatment.
                                                               pipelines, laboratory automation, data analysis,
                                                               literature synthesis, and manuscript preparation,
                                                               aligned with institutional governance frameworks
                                                               for responsible and ethical AI use in health research.





















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