Evidence map›Paper›PMID 35778692›Full record

ArticleBMC immunology2022

The impact of HIV infection on the frequencies, function, spatial localization and heterogeneity of T follicular regulatory cells (TFRs) within human lymph nodes.

Bongiwe Mahlobo, Faatima Laher, Werner Smidt, Funsho Ogunshola, Trevor Khaba, Thandeka Nkosi, Anele Mbatha, Thandekile Ngubane, Krista Dong, Ismail Jajbhay and 2 more

Open access · goldAbstract read
In one paragraph

Article in BMC immunology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.5field-weighted citation impact, top 39% 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

6 citing papers in PubMed, 6 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Current Advances in Follicular Regulatory T-Cell Biology.Critical reviews in immunology · 2022
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 2 countries.

Bongiwe MahloboAfrica Health Research Institute (AHRI), Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.
Faatima LaherHIV Pathogenesis Programme, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.
Werner SmidtKwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.
Funsho OgunsholaRagon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, Harvard University, Cambridge, MA, USA.
Trevor KhabaHIV Pathogenesis Programme, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.
Thandeka NkosiAfrica Health Research Institute (AHRI), Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.
Anele MbathaHIV Pathogenesis Programme, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.
Thandekile NgubaneHIV Pathogenesis Programme, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.
Krista DongRagon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, Harvard University, Cambridge, MA, USA.
Ismail JajbhayKwaZulu-Natal Department of Health, Prince Mshiyeni Memorial Hospital, Durban, South Africa.
Johan PansegrouwKwaZulu-Natal Department of Health, Prince Mshiyeni Memorial Hospital, Durban, South Africa.
Zaza M NdhlovuAfrica Health Research Institute (AHRI), Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa. ZNDHLOVU@mgh.harvard.edu.
University of KwaZulu-Natal · ZARagon Institute of MGH, MIT and Harvard · USAfrica Health Research Institute · ZA

Funding

Epigenetic Control of CD8 T-Cell Differentiation in Human Lymph NodesR01AI145305 · NIAID · KWAZULU-NATAL RESEARCH INSTITUTE TB-HIV · PI NDHLOVU, ZAZA MTINE · 2019 to 2023
$715k
NIAID NIH HHS R01 AI145305
6 · The paper itself

Abstract

backgroundHIV eradication efforts have been unsuccessful partly due to virus persistence in immune sanctuary sites such as germinal centres within lymph node (LN) tissues. Recent evidence suggests that LNs harbour a novel subset of regulatory T cells, termed follicular regulatory T cells (TFRs), but their role in HIV pathogenesis is not fully elucidated.

resultsPaired excisional LN and peripheral blood samples obtained from 20 HIV-uninfected and 31 HIV-infected treated and 7 chronic untreated, were used to determine if and how HIV infection modulate frequencies, function and spatial localization of TFRs within LN tissues. Imaging studies showed that most TFRs are localized in extra-follicular regions. Co-culture assays showed TFRs suppression of TFH help to B cells. Importantly, epigenetic and transcriptional studies identified DPP4 and FCRL3 as novel phenotypic markers that define four functionally distinct TFR subpopulations in human LNs regardless of HIV status. Imaging studies confirmed the regulatory phenotype of DPP4

conclusionTogether these studies describe TFRs dynamic changes during HIV infection and reveal previously underappreciated TFR heterogeneity within human LNs.

Indexed as

HIV InfectionsDipeptidyl Peptidase 4Germinal CenterHumansLymph NodesT-Lymphocytes, RegulatoryDipeptidyl Peptidase 4BiomarkersFollicular helper T (TFH) cellsFollicular regulatory T cells (TFRs)HIVLymph node

Identifiers

PMID35778692
PMCPMC9250173
OpenAlexW4283763706

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.