Browsing Bergen Open Research Archive by Author "Doherty, Timothy Mark"
Now showing items 1-7 of 7
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Approaching a diagnostic point-of-care test for pediatric tuberculosis through evaluation of immune biomarkers across the clinical disease spectrum
Jenum, Synne; Sivakumaran, Dhanasekaran; Lodha, Rakesh; Mukherjee, Aparna; Saini, Deepak Kumar; Singh, Sarman; Singh, Varinder; Medigeshi, Guruprasad; Haks, Marielle C.; Ottenhoff, Tom H.M.; Doherty, Timothy Mark; Kabra, Sushil K.; Ritz, Christian; Grewal, Harleen (Peer reviewed; Journal article, 2016-01-04)The World Health Organization (WHO) calls for an accurate, rapid, and simple point-of-care (POC) test for the diagnosis of pediatric tuberculosis (TB) in order to make progress “Towards Zero Deaths”. Whereas the sensitivity ... -
BLR1 and FCGR1A transcripts in peripheral blood associate with the extent of intrathoracic tuberculosis in children and predict treatment outcome
Jenum, Synne; Bakken, Rasmus; Sivakumaran, Dhanasekaran; Mukherjee, Aparna; Lodha, Rakesh; Singh, Sarman; Singh, Varinder; Haks, Marielle C.; Ottenhoff, Tom H.M.; Kabra, Sushil K.; Doherty, Timothy Mark; Ritz, Christian; Grewal, Harleen (Peer reviewed; Journal article, 2016-12-12)Biomarkers reflecting the extent of Mycobacterium tuberculosis-induced pathology and normalization during anti-tuberculosis treatment (ATT) would considerably facilitate trials of new treatment regimens and the identification ... -
The frequencies of IFNγ+IL2+TNFα+ PPD-specific CD4+CD45RO+ T-cells correlate with the magnitude of the QuantiFERON® gold in-tube response in a prospective study of healthy Indian adolescents
Jenum, Synne; Grewal, Harleen; Hokey, David A.; Kenneth, John; Vaz, Mario; Doherty, Timothy Mark; Jahnsen, Frode Lars (Peer reviewed; Journal article, 2014-07-03)Background: QuantiFERON-TB Gold In-Tube (QFT) is an IFNγ-release assay used in the diagnosis of Mycobacterium tuberculosis (MTB) infection. The risk of TB progression increases with the magnitude of the MTB-specific ... -
Host blood RNA transcript and protein signatures for sputum-independent diagnostics of tuberculosis in adults
Sivakumaran, Dhanasekaran; Ritz, Christian; Gjøen, John Espen; Vaz, Mario; Selvam, Sumithra; Ottenhoff, Tom H.M.; Doherty, Timothy Mark; Jenum, Synne; Grewal, Harleen (Journal article; Peer reviewed, 2021)To achieve the ambitious targets for tuberculosis (TB) prevention, care, and control stated by the End TB Strategy, new health care strategies, diagnostic tools are warranted. Host-derived biosignatures are explored for ... -
Host blood-based biosignatures for subclinical TB and incipient TB: A prospective study of adult TB household contacts in Southern India
Sivakumaran, Dhanasekaran; Jenum, Synne; Srivastava, Aashish; Steen, Vidar Martin; Vaz, Mario; Doherty, Timothy Mark; Ritz, Christian; Grewal, Harleen (Journal article; Peer reviewed, 2023-01-11)A large proportion of the global tuberculosis (TB) burden is asymptomatic and not detectable by symptom-based screening, driving the TB epidemic through continued M. tuberculosis transmission. Currently, no validated tools ... -
Improving Assignments for Therapeutic and Prophylactic Treatment Within TB Households. A Potential for Immuno-Diagnosis?
Sivakumaran, Dhanasekaran; Jenum, Synne; Ritz, Christian; Vaz, Mario; Doherty, Timothy Mark; Grewal, Harleen (Journal article; Peer reviewed, 2022-03-17)Delays in diagnosis and treatment of pulmonary tuberculosis (TB) can lead to more severe disease and increased transmission. Contact investigation among household contacts (HHCs) of TB patients is crucial to ensure optimal ... -
Novel transcriptional signatures for sputum-independent diagnostics of tuberculosis in children
Gjøen, John Espen; Jenum, Synne; Sivakumaran, Dhanasekaran; Mukherjee, Aparna; MacAden, Ragini; Kabra, Sushil K.; Lodha, Rakesh; Ottenhoff, Tom H.M.; Haks, Marielle C.; Doherty, Timothy Mark; Ritz, Christian; Grewal, Harleen (Peer reviewed; Journal article, 2017-07-19)Pediatric tuberculosis (TB) is challenging to diagnose, confirmed by growth of Mycobacterium tuberculosis at best in 40% of cases. The WHO has assigned high priority to the development of non-sputum diagnostic tools. We ...