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Researchers Developing Early Detection, Home Monitoring Tests for Lupus Nephritis

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Laurie Fickman
Early detection and monitoring of kidney nephritis, or inflammation, in patients who have Systemic Lupus Erythematosus, known simply as lupus, is under examination at UH. Photo courtesy: GettyImages
Early detection and monitoring of kidney nephritis, or inflammation, in patients who have Systemic Lupus Erythematosus, known simply as lupus, is under examination at UH. Photo courtesy: GettyImages
Hugh Roy and Lillie Cranz Cullen Endowed Professor of biomedical engineering Chandra Mohan, one of the nation’s leading lupus researchers, is working on lupus diagnostics with a $3 million NIH grant
Hugh Roy and Lillie Cranz Cullen Endowed Professor of biomedical engineering Chandra Mohan, one of the nation’s leading lupus researchers, is working on lupus diagnostics with a $3 million NIH grant
Tianfu Wu, assistant professor of biomedical engineering, is leading a $2 million project, developing a biomarker test and smartphone-based system for disease monitoring and home care
Tianfu Wu, assistant professor of biomedical engineering, is leading a $2 million project, developing a biomarker test and smartphone-based system for disease monitoring and home care

Transformative Research Empowering Patients to Monitor Themselves

 

With $5 million in grants from the National Institutes of Health (NIH), two University of Houston Cullen College of Engineering biomedical researchers are moving the needle on early detection and monitoring of kidney nephritis, or inflammation, in patients who have Systemic Lupus Erythematosus, known simply as lupus.

Hugh Roy and Lillie Cranz Cullen Endowed Professor of biomedical engineering, Chandra Mohan, one of the nation’s leading lupus researchers, is working on disease diagnostics with his $3 million portion. Tianfu Wu, assistant professor of biomedical engineering, is leading a $2 million project, developing a system that tests multiple samples for multiple biomarkers at once and a smartphone-based analysis and reporting system for disease monitoring and home care.

“It’s a great day for lupus research at UH,” said Mohan. “Together these grants could be transformative in the way lupus is managed. When we find the best biomarkers present in lupus, we can put that information in the patient’s hands and empower them to monitor their own disease.”

Indeed, it all starts with biological indicator molecules called biomarkers. These are proteins that help predict who is likely to develop lupus or kidney disease and how severe the disease might become. Identifying lupus patients at particular risk for severe disease before serious complications arise has implications for early diagnosis and treatment.

Mohan has found such identifiers through proteomic screening, identifying about 30 proteins – out of thousands - elevated in either the blood or urine of lupus nephritis patients.

“These proteins were high in patients with renal disease and predicted worse disease outcome like kidney failure several years and up to ten years later,” said Mohan. With this new grant, Mohan will conduct further screenings to look for additional biomarkers, which he believes are lurking. Then he would like to identify the most predictive biomarkers among these candidates, so that they can be used clinically.

“This is the wellspring of all the home monitoring projects,” said Mohan. “Before the patient can monitor anything at home, we must know what to monitor.” Aside from diagnostics and monitoring, Mohan’s team will use the new biomarkers to look ahead at prognosis to identify how patients might be expected to do over time and at treatment response to determine which patients will respond best to certain medications.

At home monitoring

With his grant Wu is hoping that treatment of lupus nephritis flares will be timely when they can be diagnosed at home. Presently the gold standard for diagnosis is renal biopsy. This often painful and invasive procedure could potentially be replaced by Wu’s urine home test kit which will assess an array of biomarkers.

“We are developing a technology allowing us to measure multiple biomarkers at one time, and this is a first,” said Wu. The app-based program would allow patients to read their own diagnosis, which could be particularly helpful for elderly patients who often cannot be transported to an office for a test.

The home tests may not only be able to predict flares but to guide individualized treatment.

Wu is also an investigator on Mohan’s grant. He is joined by Michelle Petri, director of the Hopkins Lupus Center at Johns Hopkins, assistant professor Claudia Pedroza of UT McGovern Medical School, UH research assistant professor Yong Du and laboratory manager Kamala Vanarsa.

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