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Deep Dive On

Podcast by ONLABS

English

Technology & science

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About Deep Dive On

Deep Dive On is a podcast exploring research, science, and health through peer-reviewed academic papers. Each episode breaks down complex studies into engaging discussions, highlighting discoveries that shape science, medicine, and wellbeing. Whether you're a researcher, student, or curious mind, Deep Dive On offers clear insights and thoughtful analysis of the research that impacts our understanding of the world.

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35 episodes

episode How Global Policies and Free Transit Rewrote City Movement During the Pandemic artwork

How Global Policies and Free Transit Rewrote City Movement During the Pandemic

This episode looks at a global analysis of how city mobility shifted during the COVID-19 pandemic. Drawing on Apple’s Mobility Trends Reports from 296 cities, researchers examined how public health policies influenced walking and public transport use. They found that initiatives promoting walking, such as closing roads to cars, led to a clear rise in walking activity. The study also mapped more than 500 active transportation policies worldwide, revealing that most were introduced in high-income countries. The findings suggest that encouraging walking and other forms of active transport can strengthen public health, support sustainable cities, and improve future pandemic resilience.   Research paper: Hunter RF, Akaraci S, Wang R, Reis R, Hallal PC, Pentland S, Millett C, Garcia L, Thompson J, Nice K, Zapata-Diomedi B, Moro E. City mobility patterns during the COVID-19 pandemic: analysis of a global natural experiment. Lancet Public Health. 2024 Nov;9(11):e896-e906 Click here to read the article [https://doi.org/10.1016/S2468-2667(24)00222-6] Voiced by NotebookLM Disclaimer [https://www.termsfeed.com/live/bc71eee2-952c-4268-9cac-5c38345021e2]

22 Dec 2025 - 10 min
episode Predicting Neonatal Sepsis artwork

Predicting Neonatal Sepsis

This episode explores a groundbreaking study published inb The Lancet that identified gene expression biomarkers capable of predicting neonatal sepsis before symptoms appear. Conducted in The Gambia, researchers analysed RNA sequencing data from healthy newborns to distinguish those who later developed early- or late-onset sepsis. Using machine learning, they identified a four-gene signature — HSPH1, BORA, NCAPG2, and PRIM1 — that accurately predicted early-onset sepsis at birth. The findings also revealed that early sepsis profoundly alters immune and metabolic development in the first week of life. This research highlights how genomic tools could transform neonatal care, especially in low- and middle-income settings.   Research paper: An AY, Acton E, Idoko OT, Shannon CP, Blimkie TM, Falsafi R,Wariri O, Imam A, Dibbasey T, Bennike TB, Smolen KK, Diray Arce J, Ben-Othman R, Montante S, Angelidou A, Odumade OA, Martino D, Tebbutt SJ, Levy O, Steen H, Kollmann TR, Kampmann B, Hancock REW, Lee AH; EPIC Consortium. Predictive gene expression signature diagnoses neonatal sepsis before clinical presentation. EBioMedicine. 2024 Dec;110:105411 Click here to read the article [https://doi.org/10.1016/j.ebiom.2024.105411] Voiced by NotebookLM Disclaimer [https://www.termsfeed.com/live/bc71eee2-952c-4268-9cac-5c38345021e2]

8 Dec 2025 - 15 min
episode Can Early Geriatric Care Save Lives in C. diff Infections? artwork

Can Early Geriatric Care Save Lives in C. diff Infections?

In this episode, we explore findings from the CLODIfrail trial, a Danish study published in The Lancet Healthy Longevity (2024). The trial tested whether early, comprehensive geriatric assessment (CGA) could improve outcomes for older adults hospitalised with Clostridioides difficile infection. While 90-day mortality rates were similar between groups, those receiving CGA had fewer infection recurrences, shorter hospital stays, and fewer deaths directly linked to C. difficile. Researchers suggest that earlier access to faecal microbiota transplantation may be key to these improved results.   Research paper: Rubak T, Baunwall SMD, Gregersen M, Paaske SE, Asferg M,Barat I, Secher-Johnsen J, Riis MG, Rosenbæk JB, Hansen TK, Ørum M, Steves CJ, Veilbæk H, Hvas CL, Damsgaard EMS. Early geriatric assessment and management in older patients with Clostridioides difficile infection in Denmark (CLODIfrail):a randomised trial. Lancet Healthy Longev. 2024 Dec;5(12):100648   Click here to read the article [https://doi.org/10.1016/j.lanhl.2024.100648]   Voiced by NotebookLM   Disclaimer [https://www.termsfeed.com/live/bc71eee2-952c-4268-9cac-5c38345021e2]

24 Nov 2025 - 13 min
episode The Shocking Truth About Helicopter Research and Resource-Limited Institutions artwork

The Shocking Truth About Helicopter Research and Resource-Limited Institutions

Here we address the issue of “domestic helicopter research,”which occurs when well-resourced institutions conduct studies on marginalised communities or through resource limited institutions (RLIs) with minimal involvement or equitable benefit for local researchers or community members. The authors, a multidisciplinary team of health equity researchers, argue that this practice mirrors the historical concept of “helicopter research” prevalent in global health and perpetuates structural inequities by limiting RLI influence and diverting resources. The paper provides examples of this exploitative research and discusses the negative consequences, such as eroding trust and degrading the quality of scholarship. Finally, the authors propose several strategies to end domestic helicopter research, including advocating for equitable funding distribution, ensuring RLIs receive appropriate credit, and adopting models like Community-Based Participatory Research (CBPR). Research paper: Lambert WM, Camacho-Rivera M, Boutin-Foster C, Salifu M,Riley WJ. Ending "domestic helicopter research". Cell. 2024 Apr 11;187(8):1823-1827 Click here to read the article [https://doi.org/10.1016/j.cell.2024.02.027] Voiced by NotebookLM Disclaimer [https://www.termsfeed.com/live/bc71eee2-952c-4268-9cac-5c38345021e2]

10 Nov 2025 - 18 min
episode Iron-Dependent Telomerase Reactivation Drives Colorectal Cancer artwork

Iron-Dependent Telomerase Reactivation Drives Colorectal Cancer

This research article investigates the mechanistic link between high iron levels and the development of colorectal cancers (CRCs), focusing on the reactivation of telomerase, an enzyme associated with cellular immortalization. The authors identify Pirin, an iron-sensing protein, as a crucial mediator that binds with oxidized iron (Fe3+) to reactivate the human telomerase reverse transcriptase (hTERT) subunit. This finding provides a molecular explanation for the known association between high dietary iron intake (such as red meat consumption) and increased CRC risk. Furthermore, the study pinpoints a small molecule, SP2509, which inhibits this process by competing with Fe3+ for binding to Pirin, suggesting a novel therapeutic approach for targeting telomerase-driven cancers, particularly those of the CMS3 subtype. The mechanism involves iron-activated Pirin stabilising the transcription factor Sp1 by repressing the E3 ubiquitin ligase FBXW7, which consequently drives hTERT expression. Research paper: Shanmugam R, Majee P, Shi W, Ozturk MB, Vaiyapuri TS, Idzham K, Raju A, Shin SH, Fidan K, Low JL, Chua JYH, Kong YC, Qi OY, Tan E, Chok AY, Seow-En I, Wee I, Macalinao DC, Chong DQ, Chang HY, Lee F, Leow WQ, Murata-Hori M, Xiaoqian Z, Shumei C, Tan CSH, Dasgupta R, Tan IB, Tergaonkar V. Iron (Fe3+)-Dependent Reactivation of Telomerase Drives Colorectal Cancers. Cancer Discov. 2024 Oct 4;14(10):1940 1963. Click here to read the article [https://doi.org/10.1158/2159-8290.CD-23-1379] Voiced by NotebookLM   Disclaimer [https://www.termsfeed.com/live/bc71eee2-952c-4268-9cac-5c38345021e2]

27 Oct 2025 - 12 min
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