Navigation Links
Study Gives First Evidence That Adult Human Lungs Can Regrow
Date:7/18/2012

By Barbara Bronson Gray
HealthDay Reporter

WEDNESDAY, July 18 (HealthDay News) -- Researchers have uncovered the first evidence that the adult human lung is capable of growing back -- at least in part -- after being surgically removed.

In an observational study, researchers used MRIs with hyperpolarized helium-3 gas to show that existing alveoli -- the tiny, air-exchange units of the lung -- actually increased in number after a 33-year-old woman had her entire right lung removed due to cancer.

The study showed a 64 percent increase in the number of alveoli in the woman's lung 15 years after surgery. "The research clearly shows that some form of lung growth can occur in the adult human," said study author James Butler, an associate professor of medicine in the department of medicine at Harvard Medical School in Boston.

The new alveoli were all shaped similarly. "It's striking, the degree of homogeneity of the new alveoli, as if the lung was responding to something," Butler added. The cause of the new growth could be stretching of the tissue, perhaps by exercise, he suggested. "Could other bio-molecular growth be triggered by stretch? It's a wide-open question now."

About a year and a half after surgery, the woman began a daily exercise program including walking, cycling and yoga. Previous studies in adult dogs have suggested that lung growth after pneumonectomy (removal of the lung) in dogs was possible, typically after periods of lung stress or strain.

Over a period of 15 years, data measuring lung size and capacity were collected, using common respiratory tests (called FEV and FVC) measuring how much air can be taken in and blown out with deep breaths. In the early months after surgery, the lung responded as researchers would expect. The total lung volume increased and the lung density fell below normal. But, the lung tissue volume gradually started to increase and the density returned to a level n
'/>"/>

Copyright©2012 ScoutNews,LLC.
All rights reserved  

Page: 1 2

Related medicine news :

1. Study Suggests Vaccine May Help Kids With Brain Cancer
2. Study reveals how cancer drug causes diabetic-like state
3. Coffee Drinking in Pregnancy Wont Lead to Sleepless Baby: Study
4. Lower GI problems plague many with rheumatoid arthritis, Mayo Clinic study finds
5. Veggies Like Broccoli, Cabbage May Help Fight Breast Cancer: Study
6. No Added Cancer Risk From Hip Replacement Materials: Study
7. Reported Decline in U.S. Pneumonia Deaths May Be False: Study
8. Early Study Finds Some Promise for Lung Cancer Vaccine
9. Narcissists Often Ace Job Interviews, Study Finds
10. Sexual objectification of female artists in music videos exists regardless of race, MU study finds
11. Soy may alleviate hot flashes in menopause, large-scale study finds
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Study Gives First Evidence That Adult Human Lungs Can Regrow
(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
... Bacteria that live in the sub-gingival plaques can increase the ... is published in the current issue of Journal of Periodontology, ... an acute myocardial infarction or heart attack are also the ... plaques were higher than the rest of the participants of ...
... condition of anorexia nervosa and got cured,// often may have ... harmful health condition, the increased body fat does not get ... the body fat often gets deposited in an abnormal way, ... an eating disorder characterized by purposeful weight loss that is ...
... is the commonest cancer effecting men. Benefits of Lycophene- ... and pink grapefruit( most lycopene in processed tomato products ... sometime in preventing the aging process and improve ... now being looked at for preventing and treating cancers ...
... of thyroid cancer may be detectable using a blood ... to a study published by researchers at The ... G. James Cancer Hospital and Richard J. Solove Research ... in the Journal of Clinical Endocrinology & Metabolism. ...
... rinse solution can be of help to decide how far ... mouth rinse of the patients of bone marrow transplant can ... that fight infection in the body. Patients of bone marrow ... of mucositis that may be caused by their treatment procedure. ...
... and linked to the human genetic// makeup. ,Researchers ... Foxp2 gene is found in one of the regions ... autism, and specific language impairment that can cause communication ... engineered mice with Foxp2 gene mutations, results demonstrate that ...
Cached Medicine News:Health News:Tumour marker for detecting early Recurrence of Thyroid cancer may be soon available 2
(Date:1/15/2014)... 15, 2014 /PRNewswire-iReach/ -- ChinaMarketResearchReports.com adds "China Orthopedic ... store . (Photo: http://photos.prnewswire.com/prnh/20140115/MN46792 ... consumption upgrade and policy support, China,s ... development over the years, with total market size ... 9.85 billion yuan in 2012. Trauma ...
(Date:1/15/2014)... 2014  Research and Markets ( http://www.researchandmarkets.com/research/6k27gw/dental ) ... Consumables Market - Global Industry Analysis, Size, Share, ... report to their offering. (Logo: ... consumables are products which are used on patients ... restoration and in treatment of associated gingival tissues. ...
(Date:1/15/2014)... WASHINGTON , Jan. 15, 2014 AARP ... fund to support older adults suffering from the ... nation. AARP and its members are committed to helping ... efforts AARP and AARP Foundation will match dollar-for-dollar contributions ... in aid. The matching program will be administered through ...
Breaking Medicine Technology:Orthopedic Instrument Industry in China Markets Forecast to 2015 2Orthopedic Instrument Industry in China Markets Forecast to 2015 3Dental Consumables Market - Global Industry Analysis, Size, Share, Growth, Trends And Forecast, 2013 - 2018 2Dental Consumables Market - Global Industry Analysis, Size, Share, Growth, Trends And Forecast, 2013 - 2018 3AARP Foundation Establishes Winter Relief Fund for Older Adults Suffering from the Severe Cold Weather 2AARP Foundation Establishes Winter Relief Fund for Older Adults Suffering from the Severe Cold Weather 3
... Amgen (NASDAQ: AMGN ) today announced that ... Wednesday, April 20, 2011 after the close of the U.S. ... call with the investment community at 1:30 p.m. Pacific Time. ... chairman and chief executive officer, and other members of Amgen,s ...
... Va., April 13, 2011 The ... introduction of bipartisan legislation in the U.S. House of ... greater competition among pharmacies and other providers of medical ... federal antitrust laws for the purposes of contract negotiations ...
Cached Medicine Technology:Amgen Announces Webcast of 2011 First Quarter Financial Results 2NCPA Backs Bill to Enhance Pharmacy Competition; Help Level Playing Field for Independent Community Pharmacists 2NCPA Backs Bill to Enhance Pharmacy Competition; Help Level Playing Field for Independent Community Pharmacists 3
The Surgifresh mini has the same rugged construction as the Plume-inator. It is the ideal size for operating room, clinic and office settings. This unit includes a filter test button, hospital grade ...
... for the phakic eye, clinically validated ... of vision and visual acuity comparable ... is compatible with current cataract surgical ... the correction of myopia in whole ...
... VitalVac's advanced technology makes ... to evacuate surgical plume. ... O.R. environment is "smoke-free", ... staff safe from potentially ...
Stryker Instruments, the leader in surgical helmets, offers its 4th generation of personal protection systems for todays surgical environment the Sterishield T4 System....
Medicine Products: