User profiles for Timothy D. Johnson

Timothy D. Johnson

University of Micihgan
Verified email at umich.edu
Cited by 15914

Shorter survival in advanced human immunodeficiency virus type 1 infection is more closely associated with T lymphocyte activation than with plasma virus burden or …

…, LE Hultin, JA McKeating, TD Johnson… - The Journal of …, 1999 - academic.oup.com
To define predictors of survival time in late human immunodeficiency virus type 1 (HIV-1)
disease, long- and short-duration survivors were studied after their CD4 + T cells fell to ⩽50/mm …

Functional diffusion map: a noninvasive MRI biomarker for early stratification of clinical brain tumor response

…, CR Meyer, TD Johnson… - Proceedings of the …, 2005 - National Acad Sciences
Assessment of radiation and chemotherapy efficacy for brain cancer patients is traditionally
accomplished by measuring changes in tumor size several months after therapy has been …

Computed tomography–based biomarker provides unique signature for diagnosis of COPD phenotypes and disease progression

…, JL Boes, KA Chughtai, CR Meyer, TD Johnson… - Nature medicine, 2012 - nature.com
Chronic obstructive pulmonary disease (COPD) is increasingly being recognized as a highly
heterogeneous disorder, composed of varying pathobiology. Accurate detection of COPD …

Vascular targeted nanoparticles for imaging and treatment of brain tumors

…, YEL Koo, MJ Woolliscroft, JV Sugai, TD Johnson… - Clinical Cancer …, 2006 - AACR
Purpose: Development of new therapeutic drug delivery systems is an area of significant
research interest. The ability to directly target a therapeutic agent to a tumor site would minimize …

Near real-time intraoperative brain tumor diagnosis using stimulated Raman histology and deep neural networks

…, ME Ivan, M Snuderl, ML Otten, TD Johnson… - Nature medicine, 2020 - nature.com
Intraoperative diagnosis is essential for providing safe and effective care during cancer
surgery 1 . The existing workflow for intraoperative diagnosis based on hematoxylin and eosin …

Rapid intraoperative histology of unprocessed surgical specimens via fibre-laser-based stimulated Raman scattering microscopy

…, AP Lieberman, TD Johnson… - Nature biomedical …, 2017 - nature.com
Conventional methods for intraoperative histopathologic diagnosis are labour- and time-intensive,
and may delay decision-making during brain-tumour surgery. Stimulated Raman …

[HTML][HTML] Metabolic and weight-loss effects of a long-term dietary intervention in obese patients

HH Ditschuneit, M Flechtner-Mors, TD Johnson… - The American journal of …, 1999 - Elsevier
Background Obesity is a chronic disease that has become one of the most serious health
problems in Western society. Objective We assessed the long-term effects of an energy-…

Metabolic and weight loss effects of long‐term dietary intervention in obese patients: four‐year results

…, HH Ditschuneit, TD Johnson… - Obesity …, 2000 - Wiley Online Library
Objective: To investigate the contribution of meal and snack replacements for long‐term
weight maintenance and risk factor reduction in obese patients. Research Methods and …

Evaluation of the functional diffusion map as an early biomarker of time-to-progression and overall survival in high-grade glioma

…, BA Moffat, TD Johnson… - Proceedings of the …, 2005 - National Acad Sciences
Diffuse malignant gliomas, the most common type of brain tumor, carry a dire prognosis and
are poorly responsive to initial treatment. The response to treatment is typically evaluated by …

Off-label use of drugs in children

…, JL Galinkin, TP Green, TD Johnson… - …, 2014 - publications.aap.org
The passage of the Best Pharmaceuticals for Children Act and the Pediatric Research
Equity Act has collectively resulted in an improvement in rational prescribing for children, …