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Alessandro Borghesi

@esibor

MD, PhD, Committed to child and neonatal health / human genomics of infectious diseases / windsurfing / caring for the environment

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17.11.2024
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Latest posts by Alessandro Borghesi @esibor

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Rare variants in CYBB (encoding gp91phox) are responsible for chronic granulomatous disease. In @jhumimmunity.org, Roelens, Bustamante et al. report a patient affected by multiple cerebral abscesses caused by #Acanthamoeba sp. and complete gp91phox deficiency. rupress.org/jhi/article/...

#CGD

10.03.2026 17:45 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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We review the known (and unknown) host genetic and immunological factors predisposing to life-threatening viral infection in early life: our β€˜current opinion in’ viral infection of the fetus and newborn. With Maya Rhyn, Angela Castellano, Valeria Cortesi, Noa Trojman doi.org/10.1016/j.co...

07.03.2026 11:28 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
A man wearing a blue shirt stands in a hallway, with walls and floor visible in the background.

A man wearing a blue shirt stands in a hallway, with walls and floor visible in the background.

We're proud to announce that infectious disease pioneer Jean-Laurent Casanova, MD, PhD, of @rockefeller.edu, @institutimagine.bsky.social, @hhmi-science.bsky.social, & @casanovalab.bsky.social, is the recipient of the 2026 Mechthild Esser #NemmersPrize in Medical Science: spr.ly/6008hCUaM

05.03.2026 20:56 πŸ‘ 22 πŸ” 6 πŸ’¬ 2 πŸ“Œ 0
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Autoantibodies neutralizing type 1 interferons in two cohorts of people with HIV Here, Jensen and colleagues studied type I interferon (IFN-I) neutralizing autoAbs in people with HIV, and found that the prevalence does not significantly

Autoantibodies neutralizing type 1 interferons in two cohorts of people with HIV url: rupress.org/jhi/article/...

30.01.2026 16:41 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Connecting the dots

23.01.2026 07:59 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

We are building a world without NEC for all babies and familiesβ€”it doesn't matter where they're from, what language they speak, or what they look like. All babies need to be protected from necrotizing enterocolitis (NEC).

16.01.2026 20:11 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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1/ We’re seeking Sponsors for the 3rd International Symposium on Inborn Errors of Immunity (IEI), and their phenocopies, to be held in Lofoten, Norway, in June 2027.
www.hgid.org/collaborativ...

24.12.2025 17:00 πŸ‘ 9 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
Autoantibodies neutralizing type I IFNs in patients with fulminant herpes simplex virus hepatitis | Journal of Experimental Medicine | Rockefeller University Press Fulminant viral hepatitis (FVH) is a devastating condition caused by hepatotropic viruses. In 149 international FVH patients, auto-Abs neutralizing type I

1/ We are excited to share our new report in @jem.org showing that almost 40% cases of herpesvirus (HSV)-triggered fulminant viral hepatitis (FVH) are due to pre-existing autoantibodies neutralizing type I IFN (autoAbs-IFN) (doi.org/10.1084/jem....).

08.12.2025 14:57 πŸ‘ 15 πŸ” 8 πŸ’¬ 1 πŸ“Œ 1

Not all FVH are equal: some are due to IFN-I neutralizing auto-Abs, others not

06.12.2025 10:28 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Recurrent severe viral infection in a child with inherited complete TBK1 deficiency | Journal of Human Immunity | Rockefeller University Press Kilic et al. reported a child with a homozygous TBK1 mutation previously linked to autoinflammation, suggesting its role in recurrent severe viral infectio

A patient with recessive TBK1 deficiency and lethal viral disease:
Recurrent severe viral infection in a child with inherited complete TBK1 deficiency url: rupress.org/jhi/article/...

03.12.2025 18:35 πŸ‘ 9 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Kilic, Zhao et al. report a child w/ a homozygous TBK1 mutation previously linked to #autoinflammation, suggesting its role in recurrent severe viral infections; the patient died from acute disseminated #encephalomyelitis. rupress.org/jhi/article/...

@casanovalab.bsky.social
@clinimmsoc.bsky.social

03.12.2025 17:02 πŸ‘ 5 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0
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Human inborn errors of the alternative NF-ΞΊB pathway. New review from Tom Le Voyer, Jean-Laurent Casanova @casanovalab.bsky.social, and Anne Puel @anne-puel.bsky.social: rupress.org/jhi/article/...

#InbornErrorsOfImmunity

28.11.2025 14:30 πŸ‘ 8 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0
Automated data extraction model for the USIDNET registry: Bigger, faster, and better data collection | Journal of Human Immunity | Rockefeller University Press USIDNET is a suite of resources for clinical immunologists. The registry of patient data utilizes data extraction from electronic health records to minimiz

Automated data extraction model for the USIDNET registry: Bigger, faster, and better data collection url: rupress.org/jhi/article/...

20.11.2025 07:38 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

The place to publish your best papers

01.11.2025 14:33 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

More than a review: a detailed description of the principles to study any infectious disease, by the covidhge.com

31.10.2025 08:28 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Auto-Abs against type I IFNs: strong, common, and global determinants of severe #arboviral diseases

31.10.2025 08:16 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
ORAI1 mutation with mixed loss- and gain-of-function properties causes immunodeficiency and HLH | Journal of Human Immunity | Rockefeller University Press A novel mutation in ORAI1 results in constitutive CRAC channel activation while abolishing stimulation-induced channel opening. The mutation is associated

A fascinating genetic and mechanistic study:

ORAI1 mutation with mixed loss- and gain-of-function properties causes immunodeficiency and HLH url: rupress.org/jhi/article/...

30.10.2025 14:15 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
A WAS promoter variant underlying Wiskott-Aldrich syndrome in two kindreds | Journal of Human Immunity | Rockefeller University Press We report the same ultra-rare pathogenic noncoding single-nucleotide variant in the promoter of WAS in four male patients from two unrelated kindreds with

Don't forget sequencing the promoter !

A WAS promoter variant underlying Wiskott-Aldrich syndrome in two kindreds url: rupress.org/jhi/article/...

30.10.2025 14:16 πŸ‘ 7 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Ober, Lenoir, @jrosain.bsky.social et al. report the same ultra-rare pathogenic noncoding single-nucleotide variant in the promoter of WAS in four male patients from two unrelated kindreds w/ features of Wiskott-Aldrich Syndrome. rupress.org/jhi/article/...
@esidsociety.bsky.social

30.10.2025 16:01 πŸ‘ 4 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0

Life-threatening arboviral diseases are being increasingly explained by auto-Abs neutralizing type I IFNs. The other way out, type I IFNs are emerging as β€˜strong, common and global determinants’ of life-threatening (arbo)viral diseases

24.10.2025 17:55 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

One medically relevant and biologically intriguing life-threatening disease progressively deciphered

03.10.2025 06:18 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Cartilage-hair hypoplasia: A comprehensive review | Journal of Human Immunity | Rockefeller University Press This comprehensive review of cartilage-hair hypoplasia (CHH) by Vakkilainen summarizes 60 years of CHH research, covering genetic aspects, pathogenesis, cl

Everything you always wanted to know about Cartilage-hair hypoplasia but never dared asking:

Cartilage-hair hypoplasia: A comprehensive review url: rupress.org/jhi/article/...

03.10.2025 05:02 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 1
Toward universal screening for disease-causing alleles: Mendelian susceptibility to mycobacterial disease as a model | Journal of Human Immunity | Rockefeller University Press This Perspective proposes universal genomic screening as a life-course strategy, using Mendelian susceptibility to mycobacterial disease as a model to demo

The question is not IF but WHEN:

Toward universal screening for disease-causing alleles: Mendelian susceptibility to mycobacterial disease as a model url: rupress.org/jhi/article/...

29.09.2025 15:23 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Inherited IL-18BP deficiency in two Egyptian siblings with fulminant viral hepatitis | Journal of Human Immunity | Rockefeller University Press A previous report described an inherited deficiency of IL-18BP, a soluble antagonist of IL-18, in an Algerian patient who died of fulminant viral hepatitis

Fulminant viral hepatitis is less and less "idiopathic":

Inherited IL-18BP deficiency in two Egyptian siblings with fulminant viral hepatitis url: rupress.org/jhi/article/...

29.09.2025 07:32 πŸ‘ 7 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Clinical challenges following early detection of ataxia telangiectasia through SCID newborn screening | Journal of Human Immunity | Rockefeller University Press Ataxia telangiectasia is a genetic disorder involving neurodegeneration, immunodeficiency, and cancer risk. It can be identified as incidental finding in n

Thomas Weitering, Mirjam van der Burg et al. @unileiden.bsky.social review the available literature on newborn screening outcomes and neonatal TREC levels in patients with #AtaxiaTelangiectasia, as well as the available symptomatic treatment options

17.09.2025 18:52 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
Incomplete penetrance in inborn errors of immunity: A skeleton in the closetβ€”The sequel | Journal of Human Immunity | Rockefeller University Press Incomplete penetrance in genetic disorders can be influenced by genetic variant quality, genetic and epigenetic modification, environment, and mosaicism.

A MUST-READ Review on Penetrance of Human Monogenic Inborn Errors (of Immunity, or not):

Incomplete penetrance in inborn errors of immunity: A skeleton in the closetβ€”The sequel url: rupress.org/jhi/article/...

19.08.2025 12:53 πŸ‘ 9 πŸ” 5 πŸ’¬ 0 πŸ“Œ 1
MAGIS syndrome: Phenotypes, pathogenesis, and treatment | Journal of Human Immunity | Rockefeller University Press The inherited syndromic immunodysregulatory disorder MAGIS demonstrates the central role of GΞ±i2 regulation of chemotaxis in humans and a novel pathway by

A superb Review on a new syndromic IEI, due to GOF mutations in G protein-encoding GNAI2:

MAGIS syndrome: Phenotypes, pathogenesis, and treatment url: rupress.org/jhi/article/...

15.08.2025 02:29 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Functional validation of PIK3R1 variant causing activated phosphoinositide 3-kinase-Ξ΄ syndrome 2 with hypogammaglobulinemia and bronchiectasis | Journal of Human Immunity | Rockefeller University Pres... Authors report a patient with recurrent respiratory infections and bronchiectasis due to an atypical splice-site PIK3R1 variant causing APDS2. Functional s

Functional validation of PIK3R1 variant causing activated phosphoinositide 3-kinase-Ξ΄ syndrome 2 with hypogammaglobulinemia and bronchiectasis url: rupress.org/jhi/article/...

14.08.2025 04:00 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
Ethical and equitable considerations when establishing a diagnosis of an inborn error of immunity | Journal of Human Immunity | Rockefeller University Press This article describes the ethical dilemmas encountered by clinical immunologists in the evaluation of an inborn error of immunity. Potential sources of he

Ethical and equitable considerations when establishing a diagnosis of an inborn error of immunity url: rupress.org/jhi/article/...

07.08.2025 18:34 πŸ‘ 4 πŸ” 2 πŸ’¬ 2 πŸ“Œ 0

A must-read for anyone interested in human B cell physiology or pathology !

25.06.2025 16:44 πŸ‘ 7 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0