Navigation Links
Researchers gain detailed insight into failing heart cells using new nano technique
Date:2/25/2010

Researchers have been able to see how heart failure affects the surface of an individual heart muscle cell in minute detail, using a new nanoscale scanning technique developed at Imperial College London. The findings may lead to better design of beta-blockers, the drugs that can slow the development of heart failure, and to improvements in current therapeutic approaches to treating heart failure and abnormal heart rhythms.

Heart failure is a progressive and serious condition in which the heart is unable to supply adequate blood flow to meet the body's needs. Hormones such as adrenaline, which are activated by the body in an attempt to stimulate the weak heart, eventually produce further damage and deterioration. Symptoms include shortness of breath, difficulty in exercising and swollen feet.

In the new study, published today in the journal Science and funded by the Wellcome Trust and the Leducq Foundation, researchers were able to analyse individual regions on the surface of the heart muscle cell in unprecedented detail, using live nanoscale microscopy.

They used a new technique called scanning ion conductance microscopy (SICM), which gives an image of the surface of the cardiac muscle cell at more detailed levels than those possible using conventional live microscopy. This enabled the researchers to see fine structures such as minute tubes (t-tubules), which carry electrical signals deep into the core of the cell. They could also see that the muscle cell surface is badly disrupted in heart failure.

There are two types of receptors for adrenaline. The first, beta1AR, strongly stimulates the heart to contract and it can also induce cell damage in the long term. The second, beta2AR, can slightly stimulate contraction but it also has special protective properties. For today's study, the researchers combined SICM with new chemical probes which give fluorescent signals when beta1AR or beta2AR is activated.

They f
'/>"/>

Contact: Laura Gallagher
l.gallagher@imperial.ac.uk
44-020-759-48432
Imperial College London
Source:Eurekalert

Page: 1 2 3

Related biology technology :

1. Researchers improve ability to write and store information on electronic devices
2. Long-awaited international ethical guidelines for biobank researchers
3. CU researchers shed light on light-emitting nanodevice
4. Stevens researchers provide new information about mass spectrometry
5. Researchers measure carbon nanotube interaction
6. Researchers underscore limitations of genetic ancestry tests
7. ASU researchers improve memory devices using nanotech
8. UD researchers race ahead with latest spintronics achievement
9. Researchers outline structure of largest nonvirus particle ever crystallized
10. Ames Laboratory researchers solve fuel-cell membrane structure conundrum
11. Researchers use magnetism to target cells to animal arteries
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/3/2015)... ... August 03, 2015 , ... Sterlitech Corporation ... its comprehensive line of analytical laboratory equipment. With optimized features, such as PTFE-coated ... a chemically resistant and maintenance-free solution for a broad range of vacuum filtration ...
(Date:7/30/2015)... ... July 31, 2015 , ... Ralco is honored to announce ... Lyon County Fair to be held August 5-9 in Marshall. The Ralco Enrichment Center ... come from and how agriculture impacts their daily lives. This unique exhibit also features ...
(Date:7/30/2015)... 2015 According to a new ... Modeling, PB/PK, PKPD, Trial Design, Toxicity Prediction, In-house, Contract ... Trial), by End Users - Global Forecast to 2020", ... reach USD 2,107.99 million by 2020 from USD 1,034.93 ... Browse more than 75 ...
(Date:7/30/2015)... Denmark , July 30, 2015 ... biotechnology company that applies its innovative TransCon technology ... positive top-line results from a six-month Phase 2 ... once-weekly TransCon Growth Hormone in 53 treatment-naïve, pre-pubertal ... "We are extremely pleased with the top-line ...
Breaking Biology Technology:Sterlitech Launches New Line of Vacuum Pumps 2Ralco Announces Primary Sponsorship of Ralco Enrichment Center at Lyon County Fair 2Biosimulation Market Worth 2,107.99 Million USD by 2020 2Biosimulation Market Worth 2,107.99 Million USD by 2020 3Biosimulation Market Worth 2,107.99 Million USD by 2020 4Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 2Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 3Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 4Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 5Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 6Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 7
... Fisher,Scientific Inc. (NYSE: TMO ) today ... a leading third-party logistics provider to the,pharmaceutical ... was previously majority-owned by Arsenal Capital,Partners. With ... Priority,Solutions offers a comprehensive range of services ...
... With a special eye for the,details hidden from casual ... G. Aspinall. Photographs of architectural details from beaches,to buildings ... fore. The,collection includes images from seven different countries., ... the,president of Genzyme Genetics, is also a talented artist ...
... - Biomira Inc. (Nasdaq: BIOM ),(TSX: BRA) ... Chief,Executive Officer, is scheduled to present at the ... EDT on Wednesday, October 10. The presentation ... be accessed at: http://www.corporate-ir.net/ireye/confLobby.zhtml?ticker=BIOM&item_id=1 ,657575 ...
Cached Biology Technology:Thermo Fisher Scientific Acquires Logistics Provider to Strengthen Clinical Trials Management Services 2Thermo Fisher Scientific Acquires Logistics Provider to Strengthen Clinical Trials Management Services 3Thermo Fisher Scientific Acquires Logistics Provider to Strengthen Clinical Trials Management Services 4An Uncommon Eye: Photography Exhibit by Biotechnology Executive at BHCC Gallery 2
(Date:7/7/2015)... 2015  Based on its recent analysis of ... Credence ID, LLC with the 2015 Asia-Pacific ... Year Award. Credence ID has developed a low-cost, ... of offering enrollment and identification solutions to the ... was formed by experts from the mobile biometrics ...
(Date:7/2/2015)... Research and Markets( ... "Natural Language Processing Market by Type (Rule-Based, ... & Image Recognition) - Worldwide Forecast to 2020" ... key vendors occupying the market are 3M, Apple, ... NetBase Solutions, SAS Institute Inc., Verint Systems among ...
(Date:7/2/2015)... Sweden , July 2, 2015 ... sensors FPC1025, FPC1035, FPC1145 and FPC1155 from the distributor World ... one of FPC,s distributors in Asia . ... 2015. The sensors will be used by smartphone manufacturers in ... MSEK is included in the communicated revenue guidance of approximately ...
Breaking Biology News(10 mins):Frost & Sullivan Acknowledges the Distinctive Customer-focused Attributes of Credence ID's Mobile Biometric Product Suite 2Frost & Sullivan Acknowledges the Distinctive Customer-focused Attributes of Credence ID's Mobile Biometric Product Suite 3Frost & Sullivan Acknowledges the Distinctive Customer-focused Attributes of Credence ID's Mobile Biometric Product Suite 4Frost & Sullivan Acknowledges the Distinctive Customer-focused Attributes of Credence ID's Mobile Biometric Product Suite 5Natural Language Processing Market by Type (Rule-Based, Statistical, and Hybrid), Technologies (Recognition, IVR, OCR, Pattern & Image Recognition) - Worldwide Forecast to 2020 2FPC Receives Order for Touch Fingerprint Sensors of 268 MSEK 2
... August 9, 2011 A newly-identified protein may hold ... check, according to a study by York University researchers. ... Biology, Faculty of Science & Engineering, is delving into ... present in the brain. His studies found that rats ...
... is available in German . During the ... humans, chromosomes are broken and rearranged at many positions. Using ... Klein, professor for genetics at the Max F. Perutz Laboratories ... high resolution. The surprising observations regarding the mechanism of meiosis ...
... LANSING, Mich. --- Lakes, streams and wetlands are not ... her colleagues are pioneering a new field of research ... surroundings. Patricia Soranno, associate professor of fisheries and ... grant to gauge land use and climate change,s impact ...
Cached Biology News:York U researchers zero in on protein that may help treat obesity, diabetes 2The machinery for recombination is part of the chromosome structure 2The machinery for recombination is part of the chromosome structure 3MSU professor launches new field of water research, nets $2.2 million NSF grant 2
Anti-Conjugated Quinaldic Acid...
... The Dodeca silver stain kits ... staining devices including Bio-Rad Dodeca stainers. ... nanogram quantities of proteins in polyacrylamide ... The kit includes sensitizer concentrate, silver ...
The AVR9-8 stream-select valve is a 9-port, 8-position valve for use with the BioLogic DuoFlow system. This valve is used for high-pressure stream selection....
... Miscellaneous: Versatile stain for staining RNA (bluish-purple), DNA (blue), ... TLC ≥ 90 % Cation traces: Ca ≤ ... mg/kg Cr ≤ 5 mg/kg Cu ≤ 5 mg/kg ... ≤ 5 mg/kg Mn ≤ 5 mg/kg Na ≤ ...
Biology Products: