Evidence map›Paper›PMID 37336430›Full record

SynthesisPharmacological research2023

Chronic cholesterol administration to the brain supports complete and long-lasting cognitive and motor amelioration in Huntington's disease.

Giulia Birolini, Marta Valenza, Ilaria Ottonelli, Francesca Talpo, Lucia Minoli, Andrea Cappelleri, Mauro Bombaci, Claudio Caccia, Caterina Canevari, Arianna Trucco and 17 more

Erratum issuedOpen access · goldAbstract readMeta-Analysis
In one paragraph

Synthesis in Pharmacological research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
2.7field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 18 citations in OpenAlex.

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  12. Role of Liposomes in the Treatment of Neurodegenerative Disorders: A Comprehensive Review.Central nervous system agents in medicinal chemistry · 2025
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

27 authors at 9 institutions in 1 country.

Giulia BiroliniDepartment of Biosciences, University of Milan, 20133 Milan, Italy; Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy.
Marta ValenzaDepartment of Biosciences, University of Milan, 20133 Milan, Italy; Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy. Electronic address: marta.valenza@unimi.it.
Ilaria OttonelliNanotech Lab, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Francesca TalpoDepartment of Biology and Biotechnologies, University of Pavia, 27100 Pavia, Italy.
Lucia MinoliPathology Department, Evotec, 37135 Verona, Italy; Mouse & Animal Pathology Lab (MAPLab), Fondazione UniMi, 20139 Milan, Italy.
Andrea CappelleriDipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, 26900 Lodi, Italy; Mouse & Animal Pathology Lab (MAPLab), Fondazione UniMi, 20139 Milan, Italy.
Mauro BombaciIstituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy.
Claudio CacciaUnit of Medical Genetics and Neurogenetics. Fondazione IRCCS Istituto Neurologico Carlo Besta, 20131 Milan, Italy.
Caterina CanevariDepartment of Biology and Biotechnologies, University of Pavia, 27100 Pavia, Italy.
Arianna TruccoDepartment of Biology and Biotechnologies, University of Pavia, 27100 Pavia, Italy.
Valerio LeoniLaboratory of Clinical Chemistry, Hospital Pio XI of Desio, ASST-Brianza and Department of Medicine and Surgery, University of Milano Bicocca, 20900 Monza, Italy.
Alice PassoniIstituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy.
Monica FavagrossaIstituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy.
Maria Rosaria NuceraDepartment of Biosciences, University of Milan, 20133 Milan, Italy; Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy.
Laura ColomboIstituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy.
Saverio PaltrinieriDipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, 26900 Lodi, Italy.
Renzo BagnatiIstituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy.
Jason Thomas DuskeyNanotech Lab, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Riccardo CaraffiNanotech Lab, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Maria Angela VandelliNanotech Lab, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Franco TaroniUnit of Medical Genetics and Neurogenetics. Fondazione IRCCS Istituto Neurologico Carlo Besta, 20131 Milan, Italy.
Mario SalmonaIstituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy.
Eugenio ScanzianiDipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, 26900 Lodi, Italy; Mouse & Animal Pathology Lab (MAPLab), Fondazione UniMi, 20139 Milan, Italy.
Gerardo BiellaDepartment of Biology and Biotechnologies, University of Pavia, 27100 Pavia, Italy.
Barbara RuoziNanotech Lab, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Giovanni TosiNanotech Lab, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Elena CattaneoDepartment of Biosciences, University of Milan, 20133 Milan, Italy; Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy. Electronic address: elena.cattaneo@unimi.it.
University of Modena and Reggio Emilia · ITUniversity of Milan · ITUniversity of Pavia · ITIstituto Nazionale Genetica Molecolare · ITMario Negri Institute for Pharmacological Research · ITFondazione IRCCS Istituto Neurologico Carlo Besta · ITIstituti di Ricovero e Cura a Carattere Scientifico · ITUniversity of Milano-Bicocca · ITUniversity of Turin · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Evidence that Huntington's disease (HD) is characterized by impaired cholesterol biosynthesis in the brain has led to strategies to increase its level in the brain of the rapidly progressing R6/2 mouse model, with a positive therapeutic outcome. Here we tested the long-term efficacy of chronic administration of cholesterol to the brain of the slowly progressing zQ175DN knock-in HD mice in preventing ("early treatment") or reversing ("late treatment") HD symptoms. To do this we used the most advanced formulation of cholesterol loaded brain-permeable nanoparticles (NPs), termed hybrid-g7-NPs-chol, which were injected intraperitoneally. We show that one cycle of treatment with hybrid-g7-NPs-chol, administered in the presymptomatic ("early treatment") or symptomatic ("late treatment") stages is sufficient to normalize cognitive defects up to 5 months, as well as to improve other behavioral and neuropathological parameters. A multiple cycle treatment combining both early and late treatments ("2 cycle treatment") lasting 6 months generates therapeutic effects for more than 11 months, without severe adverse reactions. Sustained cholesterol delivery to the brain of zQ175DN mice also reduces mutant Huntingtin aggregates in both the striatum and cortex and completely normalizes synaptic communication in the striatal medium spiny neurons compared to saline-treated HD mice. Furthermore, through a meta-analysis of published and current data, we demonstrated the power of hybrid-g7-NPs-chol and other strategies able to increase brain cholesterol biosynthesis, to reverse cognitive decline and counteract the formation of mutant Huntingtin aggregates. These results demonstrate that cholesterol delivery via brain-permeable NPs is a therapeutic option to sustainably reverse HD-related behavioral decline and neuropathological signs over time, highlighting the therapeutic potential of cholesterol-based strategies in HD patients. DATA AVAILABILITY: This study does not include data deposited in public repositories. Data are available on request to the corresponding authors.

Indexed as

Huntington DiseaseAnimalsBrainCholesterolCognitionCorpus StriatumDisease Models, AnimalMiceMice, TransgenicCholesterolBrain deliveryCholesterolCognitive declineHuntington's diseaseNanoparticles

Identifiers

PMID37336430
PMCPMC10463277
OpenAlexW4381051050

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.