Navigation Links
Researchers unlock the potential for exploring kidney regeneration
Date:2/1/2011

Boston, MA - It is estimated that up to 10 percent of the U.S. population may have some form of renal disease, with 450,000 patients with end stage renal disease (ESRD) requiring hemodialysis. Researchers at Brigham and Women's Hospital, Massachusetts General Hospital and the University of Pittsburgh have identified a cell in zebrafish that can be transplanted from one fish to another to regenerate nephrons, providing the potential to improve kidney function. These findings are published in the February 3 edition of Nature.

Currently, the five-year survival rate for patients on dialysis is 33 percent, worse than the survival rate for many forms of cancer. This epidemic of renal failure is projected to grow as obesity, poor nutrition and lack of exercise increase the incidence of diabetes and hypertension. There is also evidence that intra-uterine growth retardation and low birth weight/prematurity reduce the number of nephrons in each kidney thereby increasing the risk of hypertension and renal failure when these premature infants become adults. The cost of treating end stage renal disease is currently 32 billion dollars annually and is likely to double in the next decade.

One of the reasons renal failure is so common, is that humans are unable to generate any new nephrons, the basic filtration unit of the kidney, after the 36th week of gestation. In contrast, many non-mammalian vertebrates continue to generate nephrons throughout their lives and can generate new nephrons following renal injury. Understanding how non-mammalian vertebrates like zebrafish, carry out this remarkable regenerative process and why mammals have lost this ability is a fundamental biologic question. We believe that answering this question might provide new ways to repair damaged human kidneys and dramatically extend and improve the lives of hundreds of thousands of patients with chronic renal failure.

In a collaborative effort including two groups that are part of the Harvard Stem Cell Institute, the laboratory of Dr. Alan Davidson, at the Center for Regenerative Medicine at the Massachusetts General Hospital and the laboratory of Dr. Robert Handin, in the Hematology Division in the Department of Medicine at the Brigham and Woman's Hospital, together with Dr. Neil Hukriede's team at the University of Pittsburgh, have identified and characterized, for the first time, a progenitor cell in adult zebrafish kidneys that can be transplanted from one fish to another and generate new nephrons. Now that this cell has been identified it may be possible to better understand how to increase its number and capacity to generate nephrons.

Lead author, Dr. Alan Davidson, said "We hope to eventually be able to cross species barriers and understand why similar cells, present in mouse and human kidneys during embryonic life, disappear around the time of birth". The groups plan to continue studies on zebrafish and apply their data to mouse models and eventually humans.


'/>"/>

Contact: Holly Brown-Ayers
hbrown-ayers@partners.org
617-534-1603
Brigham and Women's Hospital
Source:Eurekalert

Related biology news :

1. Researchers bust bat rabies stereotype
2. Salk researchers discover that stem cell marker regulates synapse formation
3. Cold cases gone hot: Montreal researchers solve decades-old medical mysteries using genetics
4. Researchers identify biomarkers of poor outcomes in preemies
5. Researchers register new species using DNA-based description
6. Nearly 10 million euros ($13.6 million) in ERC grants for 6 Technische Universitaet Muenchen researchers
7. Climate change threatens many tree species, say Hebrew U. researchers
8. Researchers find smoking gun of worlds biggest extinction
9. 2 bacterial enzymes confer resistanceto common herbicide, say MU researchers
10. Go figure: Math model may help researchers with stem cell, cancer therapies
11. Researchers discover giant crayfish species right under their noses
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/28/2017)... , March 28, 2017 The ... Hardware (Camera, Monitors, Servers, Storage Devices), Software (Video Analytics, ... Region - Global Forecast to 2022", published by MarketsandMarkets, ... 2016 and is projected to reach USD 75.64 Billion ... and 2022. The base year considered for the study ...
(Date:3/24/2017)... 24, 2017 The Controller General of Immigration from ... Abdulla Algeen have received the prestigious international IAIR Award for the ... Continue Reading ... ... Controller Abdulla Algeen (small picture on the right) have received the IAIR ...
(Date:3/23/2017)... The report "Gesture Recognition and Touchless Sensing Market by Technology (Touch-based ... to 2022", published by MarketsandMarkets, the market is expected to be worth USD ... 2022. Continue Reading ... ... ...
Breaking Biology News(10 mins):
(Date:10/11/2017)... and LAGUNA HILLS, Calif. , Oct. ... Cancer Research, London (ICR) and University ... SKY92, SkylineDx,s prognostic tool to risk-stratify patients with multiple myeloma ... MUK nine . The University of Leeds ... partly funded by Myeloma UK, and ICR will perform the ...
(Date:10/10/2017)... ... 2017 , ... San Diego-based team building and cooking events company, Lajollacooks4u, has ... The bold new look is part of a transformation to increase awareness, appeal to ... period. , It will also expand its service offering from its signature gourmet cooking ...
(Date:10/10/2017)... 10, 2017 International research firm Parks Associates announced ... at the TMA 2017 Annual Meeting , October 11 in ... residential home security market and how smart safety and security products impact ... Parks Associates: Smart Home ... "The residential security market has ...
(Date:10/9/2017)... DIEGO , Oct. 9, 2017  BioTech ... biological mechanism by which its ProCell stem cell ... critical limb ischemia.  The Company, demonstrated that treatment ... amount of limbs saved as compared to standard ... the molecule HGF resulted in reduction of therapeutic ...
Breaking Biology Technology: