Impact of Intermediate Hyperglycemia and Diabetes on Immune Dysfunction in Tuberculosis.
diabetes
hyperglycemia
inflammation
tuberculosis
Journal
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
ISSN: 1537-6591
Titre abrégé: Clin Infect Dis
Pays: United States
ID NLM: 9203213
Informations de publication
Date de publication:
23 01 2021
23 01 2021
Historique:
received:
03
01
2020
accepted:
09
06
2020
pubmed:
14
6
2020
medline:
29
4
2021
entrez:
14
6
2020
Statut:
ppublish
Résumé
People with diabetes have an increased risk of developing active tuberculosis (TB) and are more likely to have poor TB-treatment outcomes, which may impact on control of TB as the prevalence of diabetes is increasing worldwide. Blood transcriptomes are altered in patients with active TB relative to healthy individuals. The effects of diabetes and intermediate hyperglycemia (IH) on this transcriptomic signature were investigated to enhance understanding of immunological susceptibility in diabetes-TB comorbidity. Whole blood samples were collected from active TB patients with diabetes (glycated hemoglobin [HbA1c] ≥6.5%) or IH (HbA1c = 5.7% to <6.5%), TB-only patients, and healthy controls in 4 countries: South Africa, Romania, Indonesia, and Peru. Differential blood gene expression was determined by RNA-seq (n = 249). Diabetes increased the magnitude of gene expression change in the host transcriptome in TB, notably showing an increase in genes associated with innate inflammatory and decrease in adaptive immune responses. Strikingly, patients with IH and TB exhibited blood transcriptomes much more similar to patients with diabetes-TB than to patients with only TB. Both diabetes-TB and IH-TB patients had a decreased type I interferon response relative to TB-only patients. Comorbidity in individuals with both TB and diabetes is associated with altered transcriptomes, with an expected enhanced inflammation in the presence of both conditions, but also reduced type I interferon responses in comorbid patients, suggesting an unexpected uncoupling of the TB transcriptome phenotype. These immunological dysfunctions are also present in individuals with IH, showing that altered immunity to TB may also be present in this group. The TB disease outcomes in individuals with IH diagnosed with TB should be investigated further.
Sections du résumé
BACKGROUND
People with diabetes have an increased risk of developing active tuberculosis (TB) and are more likely to have poor TB-treatment outcomes, which may impact on control of TB as the prevalence of diabetes is increasing worldwide. Blood transcriptomes are altered in patients with active TB relative to healthy individuals. The effects of diabetes and intermediate hyperglycemia (IH) on this transcriptomic signature were investigated to enhance understanding of immunological susceptibility in diabetes-TB comorbidity.
METHODS
Whole blood samples were collected from active TB patients with diabetes (glycated hemoglobin [HbA1c] ≥6.5%) or IH (HbA1c = 5.7% to <6.5%), TB-only patients, and healthy controls in 4 countries: South Africa, Romania, Indonesia, and Peru. Differential blood gene expression was determined by RNA-seq (n = 249).
RESULTS
Diabetes increased the magnitude of gene expression change in the host transcriptome in TB, notably showing an increase in genes associated with innate inflammatory and decrease in adaptive immune responses. Strikingly, patients with IH and TB exhibited blood transcriptomes much more similar to patients with diabetes-TB than to patients with only TB. Both diabetes-TB and IH-TB patients had a decreased type I interferon response relative to TB-only patients.
CONCLUSIONS
Comorbidity in individuals with both TB and diabetes is associated with altered transcriptomes, with an expected enhanced inflammation in the presence of both conditions, but also reduced type I interferon responses in comorbid patients, suggesting an unexpected uncoupling of the TB transcriptome phenotype. These immunological dysfunctions are also present in individuals with IH, showing that altered immunity to TB may also be present in this group. The TB disease outcomes in individuals with IH diagnosed with TB should be investigated further.
Identifiants
pubmed: 32533832
pii: 5857148
doi: 10.1093/cid/ciaa751
pmc: PMC7823074
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
69-78Subventions
Organisme : Medical Research Council
ID : MC_PC_17218
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/P017568/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/R005850/1
Pays : United Kingdom
Investigateurs
H Dockrell
(H)
J Cliff
(J)
C Eckold
(C)
D Moore
(D)
U Griffiths
(U)
Y Laurence
(Y)
R Aarnouste
(R)
M Netea
(M)
R van Crevel
(R)
C Ruesen
(C)
E Lachmandas
(E)
S Kaufmann
(S)
M Beigier
(M)
R Golinski
(R)
S Joosten
(S)
T Ottenhoff
(T)
F Vrieling
(F)
M Haks
(M)
G Walzl
(G)
K Ronacher
(K)
S Malherbe
(S)
L Kleynhans
(L)
B Smith
(B)
K Stanley
(K)
G van der Spuy
(G)
A Loxton
(A)
N Chegou
(N)
M Bosman
(M)
L Thiart
(L)
C Wagman
(C)
H Tshivhula
(H)
M Selamolela
(M)
N Prins
(N)
W du Plessis
(W)
I van Rensburg
(I)
L du Toit
(L)
J Critchley
(J)
S Kerry-Barnard
(S)
F Pearson
(F)
D Grint
(D)
S McAllister
(S)
P Hill
(P)
A Verrall
(A)
M Ioana
(M)
A Riza
(A)
R Cioboata
(R)
M Dudau
(M)
F Nitu
(F)
I Bazavan
(I)
M Olteanu
(M)
C Editoiu
(C)
A Florescu
(A)
M Mota
(M)
S G Popa
(SG)
A Firanescu
(A)
A Popa
(A)
I Gheonea
(I)
S Bicuti
(S)
A Lepadat
(A)
I Vladu
(I)
D Clenciu
(D)
M Bicu
(M)
C Streba
(C)
A Demetrian
(A)
M Ciurea
(M)
A Cimpoeru
(A)
A Ciocoiu
(A)
S Dorobantu
(S)
R Plesea
(R)
E L Popescu
(EL)
M Cucu
(M)
I Streata
(I)
F Burada
(F)
S Serban-Sosoi
(S)
N Panduru
(N)
E Nicoli
(E)
M Ciontea
(M)
I Capitanescu
(I)
M Olaru
(M)
T Tataru
(T)
M Papurica
(M)
I Valutanu
(I)
V Dubreu
(V)
L Stamatoiu
(L)
V Kumar
(V)
C Wijmenga
(C)
C Ugarte-Gil
(C)
J Coronel
(J)
S Lopez
(S)
R Limascca
(R)
K Villaizan
(K)
B Castro
(B)
J Flores
(J)
W Solano
(W)
B Alisjahbana
(B)
R Ruslami
(R)
N Soetedjo
(N)
P Santoso
(P)
L Chaidir
(L)
R Koesoemadinata
(R)
N Susilawati
(N)
J Annisa
(J)
R Livia
(R)
V Yunivita
(V)
A Soeroto
(A)
H Permana
(H)
S Imaculata
(S)
Y Gunawan
(Y)
N Dewi
(N)
L Apriani
(L)
Informations de copyright
© The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America.
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