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Abhi Das

@adas1.bsky.social
142 followers 143 following 17 posts

50:50 physician scientist Infectious diseases/microbiology/penicillin allergy de-labelling Fledgling lab studying immune perturbations in paediatric infections at UCL

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Reposted by Abhi Das
Ilan Schwartz @germhuntermd.bsky.social · 03/06/2025
Diagnosis and Management of Candida Endophthalmitis and Chorioretinitis Nate Permpalung, Sarah Sedik, Pete Pappas, @martinhoenigl.bsky.social, @drluiso.bsky.social in @cmijournal.bsky.social www.clinicalmicrobiologyandinfection.com/article/S119...
clinicalmicrobiologyandinfection.com
Diagnosis and Management of Candida Endophthalmitis and Chorioretinitis
Candida endophthalmitis and chorioretinitis are uncommon but potentially devastating complications of candidemia, associated with significant risks of vision loss and long-term morbidity. Effective ma...
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Ilan Schwartz @germhuntermd.bsky.social · 15/05/2025
Histoplasmosis remains an important cause of AIDS-related deaths in many regions Histoplasma antigen tests are now cheap, accessible, and can be done at POC Are such assays ready to be used for routine screening of patients with advanced HIV? We have thoughts 🤔 🔓 academic.oup.com/cid/advance-...
academic.oup.com
Histoplasma antigen screening in advanced HIV disease
Ilan S Schwartz, Alessandro C Pasqualotto; Histoplasma antigen screening in advanced HIV disease, Clinical Infectious Diseases, , ciaf238, https://doi.org/
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Waggoner Lab @labwaggoner.bsky.social · 29/04/2025
Th1 differentiation and function are inhibited in neonates following human metapneumovirus infection academic.oup.com/jimmunol/adv... @jimmunol.bsky.social
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Reposted by Abhi Das
Nature Reviews Immunology @natrevimmunol.nature.com · 23/04/2025
NEW Highlight of @nature.com paper by @davidjlynn.bsky.social and colleagues @sahmri.bsky.social reporting a prospective observational study of human immune responses to #vaccination after early-life #antibiotic exposure. #immunology #immunosky #medsky #IDsky #pedsky #publichealth
nature.com
Neonatal antibiotics impair infant vaccine responses - Nature Reviews Immunology
A prospective observational study of human immune responses to vaccination after early-life antibiotic exposure shows that neonatal exposure reduces the immune response to several vaccine antigens and...
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Renato Ostuni @ostunilab.bsky.social · 20/11/2024
I go around saying that tissue repair and tumorigenesis are two faces of the same coin. @ejvillablanca.bsky.social &co now show that this is not always the case and the two processes can be "unlinked" in the gut! @natureportfolio.bsky.social www.nature.com/articles/s41...
nature.com
Liver X receptor unlinks intestinal regeneration and tumorigenesis - Nature
Liver X receptor drives epithelial Areg-mediated intestinal regeneration, while preventing tumour growth through adaptive immune responses.
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Gabriele Pollara @gpollara.bsky.social · 19/04/2025
Non-sputum, blood fingerprick triage diagnostic tests for pulmonary TB! Nice work @jaynesutherlandtb.bsky.social. As you state there are still groups to verify this, but looks promising. Look forward to reading in detail. #IDSky #TBSky @cidjournal.bsky.social academic.oup.com/cid/advance-...
academic.oup.com
Performance of 2 Finger-Stick Blood Tests to Triage Adults With Symptoms of Pulmonary Tuberculosis: A Prospective Multisite Diagnostic Accuracy Study
Two finger-stick blood tests to triage people with symptoms of pulmonary tuberculosis by measuring 3 host proteins (multibiomarker test) or 3 host RNA tran
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Reposted by Abhi Das
Waggoner Lab @labwaggoner.bsky.social · 17/04/2025
Integrated liver-secreted and plasma proteomics identify a predictive model that stratifies MASH @cp-cellrepmed.bsky.social www.cell.com/cell-reports...
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Waggoner Lab @labwaggoner.bsky.social · 16/04/2025
Multi-zonal liver organoids from human pluripotent stem cells @nature.com @cincyresearch.bsky.social www.nature.com/articles/s41... www.nature.com/articles/s41...
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Dr Neil Stone @drneilstone.bsky.social · 17/03/2025
The 14 day paradigm for antibiotics first bloodstream infection is long since dead. The BALANCE trial is another nail in its coffin #IDSky www.nejm.org/doi/full/10....
nejm.org
Antibiotic Treatment for 7 versus 14 Days in Patients with Bloodstream Infections | NEJM
Bloodstream infections are associated with substantial morbidity and mortality. Early, appropriate antibiotic therapy is important, but the duration of treatment is uncertain. In a multicenter, non...
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Sébastien Poulin @sebpoule.bsky.social · 14/03/2025
Tongue 👅 lesion/oedema Cancer ? Biopsy said otherwise… #IDsky
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Eberl Lab 👨🏻‍🔬👩🏽‍💻🔬🧫 @eberllab.bsky.social · 10/03/2025
Are you ready for it? "Highlights of 2024: γδ T cells and bad blood" A summary of the emerging regulatory and effector roles of #gdTcells in #sepsis. And it may also contain a few Taylor Swift references. More than 50 in fact. Thank you so much @immunolcellbiol.bsky.social for playing along!
onlinelibrary.wiley.com
<em>Immunology & Cell Biology</em> | ASI Journal | Wiley Online Library
In this manuscript for the “Highlights of 2024” series, this is me trying to summarize recent discoveries regarding the emerging regulatory and effector roles of γδ T cells during sepsis, both in hum....
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Towers Lab @towerslab.bsky.social · 14/02/2025
Happy to announce that our 2nd paper of 2025 is out! 🎊 This collaboration between our brilliant postdoc @lsnewton.bsky.social and @claragathmann.bsky.social, from Dave Selwood’s chemistry lab, designs and employs PROTACs to degrade CypA and inhibit HIV and HCV. www.nature.com/articles/s41...
nature.com
Macrocycle-based PROTACs selectively degrade cyclophilin A and inhibit HIV-1 and HCV - Nature Communications
Targeted protein degradation has so far been rarely applied as an antiviral strategy. Here, the authors report that macrocycle-based PROTACs targeting host protein cyclophilin A, exploited during vira...
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Waggoner Lab @labwaggoner.bsky.social · 31/01/2025
A multi-omics spatial framework for host-microbiome dissection within the intestinal tissue microenvironment www.nature.com/articles/s41... @garrypnolan.bsky.social @naturecomms.bsky.social
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Waggoner Lab @labwaggoner.bsky.social · 31/01/2025
Recirculating regulatory T cells mediate thymic regeneration through amphiregulin following damage www.cell.com/immunity/ful... @cp-immunity.bsky.social
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Nick Loman @pathogenomenick.bsky.social · 30/01/2025
Our mSCAPE project has been formally announced to the world by @smhopkins.bsky.social at #FOG2025 today: www.gov.uk/government/n... - a really exciting academic-public health collaboration to build a surveillance platform leveraging NHS metagenomic diagnostic data. @meerac.bsky.social
gov.uk
UKHSA launches new metagenomic surveillance for health security
The UK launches mSCAPE, a world-first metagenomics initiative by UKHSA to enhance health security through rapid pathogen detection and surveillance.
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Abhi Das @adas1.bsky.social · 29/01/2025
Well done @drakishl.bsky.social ... A lot of work to do the meta-analysis!
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ID:IOTS Podcast @idiots-pod.bsky.social · 26/01/2025
ONE ANTIBIOTIC PK TABLE TO RULE THEM ALL Absorption takes drug into blood from GI, Vd spreads drug out to where bug calls home. And after bacteria are doomed to die, The drug’s eliminated on the porcelain throne In the Land of Notion where this table doth lie… #idSky #microsky #pharmsky #medsky
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Petter Brodin @petterbrodin.bsky.social · 20/01/2025
Thanks for highlighting!
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Abhi Das @adas1.bsky.social · 18/01/2025
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Ilan Schwartz @germhuntermd.bsky.social · 11/01/2025
Epidemiology and Prognostic Factors Associated With Mold-Positive Blood Cultures: 10-Year Data From a French Prospective Surveillance Program (2012–2022) academic.oup.com/cid/advance-...
Visual abstract
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Gabriele Pollara @gpollara.bsky.social · 09/01/2025
Interesting study on role of PCT in the stewardship of IV antibiotics for children admitted for suspected / confirmed bacterial infections. Does not appear helpful in reducing time on IV Abx in this setting. #IDSky #AMR #AMSsky #pediatrics www.sciencedirect.com/science/arti...
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Gabriele Pollara @gpollara.bsky.social · 08/01/2025
#AMR is a risk to antibiotic failure & death, but if this happens, do we record it on death certificates? Our centre data = NO! 👉In 1 year, 4% of deaths were AMR-attributed & NONE were recorded on death certificates!👈 Need to quantify this better to increase awareness! #IDSky @jac-amr.bsky.social
academic.oup.com
Antimicrobial resistance–attributable mortality: a patient-level analysis
AbstractBackground. The impact of antimicrobial resistance (AMR) on death at the patient level is challenging to estimate. We aimed to characterize AMR-att
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Waggoner Lab @labwaggoner.bsky.social · 03/01/2025
🩸Blood DNA virome, including HHV-6 & anellovirus, associates with risk of lupus, pulmonary alveolar proteinosis, rheumatoid arthritis, and COVID-19 www.nature.com/articles/s41...
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Waggoner Lab @labwaggoner.bsky.social · 02/01/2025
Neonatal T cells unleash innate powers to combat congenital cytomegalovirus infection commentary @simongrassmann.bsky.social @jclinical-invest.bsky.social www.jci.org/articles/vie... www.jci.org/articles/vie... @salliepermar.bsky.social
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Abhi Das @adas1.bsky.social · 29/12/2024
V interesting, probably true in other parts of the world too I suspect...anecdotally have also noticed a wider distribution beyond the published maps from our mycology clinic @drneilstone.bsky.social
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Waggoner Lab @labwaggoner.bsky.social · 20/12/2024
Deep profiling deconstructs features associated with memory CD8+ T cell tissue residence www.cell.com/immunity/ful... @cp-immunity.bsky.social
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Lee Grimes Lab @leegrimeslab.bsky.social · 20/11/2024
Are neutrophils "good" or "bad"? Rana Herro reviews the current literature here: rdcu.be/d0Rt7
rdcu.be
The diverse roles of neutrophils from protection to pathogenesis
Nature Immunology - In this Review, Herro and Grimes summarize the most recent key findings surrounding protective versus pathogenic functions of neutrophils, elaborating on phenotype-specific...
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Waggoner Lab @labwaggoner.bsky.social · 26/11/2024
Antibiotic treatment of pregnant mice reduces the amount of breast milk antibodies (SIgA) and alters the neonatal fecal microbiota, making neonatal mice more susceptible to sepsis www.cell.com/cell-host-mi...
cell.com
Prenatal antibiotics reduce breast milk IgA and induce dysbiosis in mouse offspring, increasing neonatal susceptibility to bacterial sepsis
Up to one-third of women receive antibiotics during pregnancy. Pietrasanta et al. show that antibiotic treatment of pregnant mice reduces the amount of breast milk antibodies (SIgA) and alters the neo...
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Paul Sax @paulsaxmd.bsky.social · 22/11/2024
Latest State-of-the-Art Review in @cidjournal.bsky.social comes from Dr. Miriam Barshak et al on ocular infections. (I had the pleasure of precepting Miriam in clinic around 20+ years ago --but who's counting! -- and she is brilliant and awesome.) @nottheogdrv.bsky.social doi.org/10.1093/cid/...
doi.org
State-of-the-Art Review: Ocular Infections
Collaborations between ophthalmologists and infectious disease specialists are critical for optimizing care of many patients with eye infections. We review
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Gabriele Pollara @gpollara.bsky.social · 21/11/2024
🚨 Delighted to share our paper defining a new role for IL-6 in TB. 🚨 We used genetic variation to show *reduced* IL-6 signalling is causally associated with *lower* risk of TB. Lead author @gushamilton.bsky.social #TBSky #IDSky #ImmunoSky www.thelancet.com/journals/lan... Thread 👇 (1/8)
thelancet.com
Altered IL-6 signalling and risk of tuberculosis: a multi-ancestry mendelian randomisation study
Our findings propose a causal relationship between reduced IL-6 signalling and lower risk of tuberculosis, akin to the effect seen in other IL-6 mediated diseases. This study suggests that IL-6 antago...
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Abhi Das @adas1.bsky.social · 20/11/2024
💯
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Sarah Eisen @saraheisen.bsky.social · 19/11/2024
The Aegis Project is advertising a Research Assistant post! Join our exciting project working directly with children and young people seeking asylum - and make a real difference #Respond. @lshtm DM for info! rebrand.ly/7ut2i85
rebrand.ly
Current vacancies : University College London Hospitals NHS Foundation Trust
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Michael Marks @drmichaelmarks.bsky.social · 13/11/2024
Results 10 yrs metagenomic sequencing for CNS infections www.nature.com/articles/s41... Impressive. Key take homes for me. 1) Time to result still long - addressable but a barrier currently. 2) 10% contamination. 3) Despite using cutting edge tests a "causative" organism found in only 15%.
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Luis Ostrosky, MD, FIDSA @drluiso.bsky.social · 09/11/2024
Fungal meningitis journals.lww.com/co-infectiou...
journals.lww.com
Update on diagnosis and treatment of fungal meningitis:... : Current Opinion in Infectious Diseases
eaks of Fusarium solani meningitis during 2022–2023 were associated with epidural anesthesia in two distant cities in Mexico (Durango and Matamoros). The initial etiological agent identification was d...
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Jason Trubiano @trubianojason.bsky.social · 12/11/2024
My Top 5 Antibiotic Allergy Papers - #5 ▶️Gadde et al. JAMA 1993; 270 (20) ▶️ A paper before its time. Skin testing for #penicillinallergy in patients with ID indication! ▶️ 7.1% + ; PPL & MDM utilisation; safety (1/128+ required adrenaline); Allergy LOSS WITH TIME. jamanetwork.com/journals/jam...
jamanetwork.com
Clinical Experience With Penicillin Skin Testing in a Large Inner-City STD Clinic
Objective.  —To establish (1) the prevalence of positive penicillin skin tests among outpatients with well-defined but variable history of penicillin allergy and (2) the reproducibility, safety, a...
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simonthelwall.bsky.social @simonthelwall.bsky.social · 06/11/2024
The UKHSA report on ICU BSI is out and well worth a read. I know very little about the epi of ICU infections and so won't provide much commentary. #bsi #hcai #icu #epidemiology www.gov.uk/government/s...
gov.uk
Surveillance of bloodstream infections in critical care units, England: May 2016 to March 2024 report
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Darragh Duffy @darraghduffy.bsky.social · 08/11/2024
Interested in how sex hormones change with age between men & women ? 🧪 #immunosky #medsky Given the strong sex differences in immunity and disease we were ! So we quantified 17 steroid hormones in 1,000 healthy donors of Milieu Interieur cohort www.medrxiv.org/content/10.1...
medrxiv.org
Steroid hormone levels vary with sex, aging, lifestyle, and genetics
Steroid hormone levels vary greatly among individuals, between the sexes, with age, and across health and disease states. Nevertheless, what drives variance in steroid hormones and, globally, how ster...
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Pedro Vale @pfvale.bsky.social · 29/10/2024
Here are two very useful resources for open-source scientific images/illustrations: 1. bioart.niaid.nih.gov This NIH-funded collection of high-quality, scientifically accurate vectors, icons, and brushes is freely available within the public domain. 🪰🦠🧪
bioart.niaid.nih.gov
Bioart
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Gabriele Pollara @gpollara.bsky.social · 13/10/2024
Good review on host-pathogen interactions with Candida - Neutrophil-mediated immunopathology #ImmunoSky 🧪🩺#IDSky www.cell.com/cell-host-mi...
cell.com
Host-microbe interaction paradigms in acute and recurrent vulvovaginal candidiasis
Vulvovaginal candidiasis is the most common fungal disease in humans. MacAlpine and Lionakis synthesize the host, microbiome, and fungal factors that alter susceptibility to acute and recurrent vagina...
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Gabriele Pollara @gpollara.bsky.social · 02/10/2024
Delighted to share my first paper on Bluesky! Managing UTIs is difficult and needs a multi-disciplinary approach. We discuss approaches on how to achive this... Great collaborative effort led by @angelahuttner.bsky.social in @cmicomms.bsky.social #IDSky 🩺 #MedSky www.cmi-comms.com/article/S295...
cmi-comms.com
Establishing a dedicated UTI clinic: Challenges and a guide to success
Urinary tract infections (UTIs) have a significant impact on quality of life for patients and present complex management issues that challenge healthcare systems. Recognizing these challenges, dedicat...
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Gabriele Pollara @gpollara.bsky.social · 23/09/2024
For those into clinical diagnostics, v comprehensive guide 👇 🩺 #MicroSky #IDSky www.sciencedirect.com/science/arti...
sciencedirect.com
How to verify and validate a clinical microbiology test before it can be used in routine diagnostics: a practical guide
Before a new test can be routinely used in your laboratory, its reliability must be established in the laboratory where it will be used. International…
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Tim Triche, Jr.🔰 @timtriche.bsky.social · 26/08/2024
Incidentally Ly6G does not exist in humans so there’s that. Most of the processes are conserved, several key markers aren’t. As with damned near every other aspect of blood and immunity in mice & men www.nature.com/articles/s41...
nature.com
Human and mouse neutrophils share core transcriptional programs in both homeostatic and inflamed contexts - Nature Communications
Difficulties can be encountered when translating research between cells from animals and humans because of gene expression differences. Here the authors perform an integrative transcriptomic analysis ...
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Gabriele Pollara @gpollara.bsky.social · 21/08/2024
This looks a cool paper / technology if you're interested in storing samples in the field for downstream single cell sequencing analyses. Thanks to @sheencr.bsky.social for the repost #Immunology #immunosky
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