Navigation Links
Biologists discover why 10% of Europeans are safe from HIV

Biologists at the University of Liverpool have discovered how the plagues of the Middle Ages have made around 10% of Europeans resistant to HIV. Scientists have known for some time that these individuals carry a genetic mutation (known as CCR5-delta32) that prevents the virus from entering the cells of the immune system but have been unable to account for the high levels of the gene in Scandinavia and relatively low levels in areas bordering the Mediterranean.

They have also been puzzled by the fact that HIV emerged only recently and could not have played a role in raising the frequency of the mutation to the high levels found in some Europeans today.

Professor Christopher Duncan and Dr Susan Scott from the University's School of Biological Sciences, whose research is published in the March edition of Journal of Medical Genetics, attribute the frequency of the CCR5-delta32 mutation to its protection from another deadly viral disease, acting over a sustained period in bygone historic times.

Some scientists have suggested this disease could have been smallpox or even bubonic plague but bubonic plague is a bacterial disease rather than a virus and is not blocked by the CCR5-delta32 mutation.

Professor Duncan commented: "The fact that the CCR5-delta32 mutation is restricted to Europe suggests that the plagues of the Middle Ages played a big part in raising the frequency of the mutation. These plagues were also confined to Europe, persisted for more than 300 years and had a 100% case mortality."

Around 1900, historians spread the idea that the plagues of Europe were not a directly infectious disease but were outbreaks of bubonic plague, overturning an accepted belief that had stood for 550 years. Professor Duncan and Dr Scott illustrated in their book, Return of the Black Death (2004, Wiley), that this idea was incorrect and the plagues of Europe (1347-1660) were in fact a continuing series of epidemics of a lethal, viral, haemorrha
'"/>

Source:Universty of Liverpool


Page: 1 2

Related biology news :

1. Biologists determine genetic blueprint of social amoeba
2. Biologists Crack Genetic Code for Specialized Spider Silk
3. Biologists discover new pathway into plant cells
4. Biologists visualize protein interaction that may initiate viral infection
5. Biologists develop genome-wide map of miRNA-mRNA interactions
6. How healthy is that marsh? Biologists count parasites
7. Biologists find regions of rice domestication
8. Biologists probe the machinery of cellular protein factories
9. Biologists call for better choice of model organisms in evo-devo
10. Biologists produce global map of plant biodiversity
11. Biologists prove critical step in membrane fusion
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Biologists discover why Europeans are safe from HIV

(Date:12/17/2014)... , Dec. 15, 2014  HITLAB SM ... Practices (GCP) audit to confirm its adherence to ... This accomplishment enables HITLAB to conduct regulated smart ... highest principles for patient safety and research quality. ... healthcare access, quality, and delivery with innovative technology," ...
(Date:12/11/2014)... DUBLIN , Dec. 09, 2014 Research ... http://photos.prnewswire.com/prnh/20130307/600769 ( http://www.researchandmarkets.com/research/twhjll/biometrics_market ) ... Market in the APAC Region 2015-2019"  report to ... emerging in this market is advances in technology. ... to upgrade biometric solutions to the latest standard ...
(Date:12/10/2014)...  Valencell, a leader in performance biometric data sensor ... from its licensees for highly accurate, clinically validated biometric ... coming from fitness and health sectors, but first responders/military ... is only as useful as the biometric data it ... in long-term mass consumer adoption of wearable products," said ...
Breaking Biology News(10 mins):HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2Biometrics Market in the APAC Region 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2Wearable Technology Products Demand Highly Accurate Biometric Technology 2
... at Galveston (UTMB) have discovered a quick new way ... other. The new study challenges fundamental assumptions about the ... spread so rapidly across North America despite experts' predictions ... out. , In the conventional understanding of West Nile ...
... at Cardiff University, UK, have designed world-first technology ... bed by isolating ancient high-pressure bacteria from deep ... are investigating bacteria from deep sediments which despite ... temperatures (from an icy 2°C to over 100°C), ...
... has found that the allergenicity of peanut products could ... from North Carolina A&T University report their findings today ... for Microbiology. , "Due to the wide use of ... even soups there is a need to inactivate peanut ...
Cached Biology News:Mosquito study shows new, faster way West Nile can spread 2World-first technology enables study of ancient bacteria 2
(Date:12/17/2014)... Park, CA (PRWEB) December 17, 2014 ... announces today that it has entered into a ... Midland Company (ADM) to apply DNA2.0’s proprietary protein ... enzyme engineering process. , “We are extremely excited ... ProteinGPS engineering platform. This proprietary bioengineering technology ...
(Date:12/17/2014)... , Dec. 17, 2014 Tigercat Pharma, ... 2 study evaluating the investigational oral NK-1 receptor ... with severe, chronic itch who are unresponsive or ... including topical steroids and antihistamines. ... Visual Analog Scale (VAS) itch score from baseline, ...
(Date:12/15/2014)... , Dec. 15, 2014  GlassesOff Inc. (OTCBB: GLSO) ... as an independent director of the Company,s Board ... AeroScout and served as its CEO until its acquisition ... a $240 million transaction. Recognized as the inventor of ... leadership, AeroScout provided Wi-Fi -based RFID solutions focused on ...
(Date:12/13/2014)... 2014 Clarassance, a privately held clinical-stage ... name: Therabron Therapeutics , Inc. The new name ... type of structure in the lungs similar to branches ... develop novel protein therapeutics for the treatment of respiratory ... change the name to mark the company's escalation into ...
Breaking Biology Technology:ADM and DNA2.0 Enter Into Protein Engineering Technology Access and Service Agreement 2Velocity Pharmaceutical Development, LLC and Tigercat Pharma, Inc. Announce Phase 2 Results for VPD-737 in Patients With Chronic Pruritus 2Velocity Pharmaceutical Development, LLC and Tigercat Pharma, Inc. Announce Phase 2 Results for VPD-737 in Patients With Chronic Pruritus 3Velocity Pharmaceutical Development, LLC and Tigercat Pharma, Inc. Announce Phase 2 Results for VPD-737 in Patients With Chronic Pruritus 4AeroScout Founder Joins GlassesOff's Board of Directors 2AeroScout Founder Joins GlassesOff's Board of Directors 3Maryland-based Biotech Company's Path Forward in Treating Respiratory Diseases Sparks Name Change 2
... PAREXEL International,Corporation ("PAREXEL") (Nasdaq: PRXL ) today ... in the clinical pharmacology business of,Synchron Research in ... a bioanalytical laboratory in Poitiers, France to a ... terms of the new agreement, PAREXEL,s ownership interest ...
... 27 The Life Science Executive,Exchange -- the professional ... announced it will again be a supporting sponsor of ... organized by The Scientist in collaboration with,leading market research ... be presented at a gala ceremony beginning at 5 ...
... Acquisition Expected to Yield Multiple New Drug Products for Aida,s ... ... MONICA, Calif., March 27 Aida,Pharmaceuticals, Inc (OTC Bulletin Board: AIDA) ... the Jiangsu,Institute of Microbiology Co., Ltd. ("JSIM") Aida,s subsidiary, Hanzhou,Aida Pharmaceuticals ...
Cached Biology Technology:PAREXEL International Expands Relationship with Synchron Research in India and Divests Bioanalytical Laboratory in France 2PAREXEL International Expands Relationship with Synchron Research in India and Divests Bioanalytical Laboratory in France 3PAREXEL International Expands Relationship with Synchron Research in India and Divests Bioanalytical Laboratory in France 4Life Science Executive Exchange 2008 To Sponsor Industry Awards 2Life Science Executive Exchange 2008 To Sponsor Industry Awards 3Aida Acquires High-Level Research Institute in China 2
... cover slips for in situ hybridization,in ... on glass slides., Constant probe ... not adsorb probes. , Ready-to-use-Hybri-slips do ... , Avoid RNA degradation-Hybri-slips are supplied ...
These 22x40mm rectangular No.1 Corning cover glasses are made from No. 0211 zinc titania glass and are 0.16 to 0.19mm thick. • Approx. Pcs Oz : 73...
... The membrane filters suitable for use in the ... top of each filter, in a specially designed ... special pleating of the band of membrane filter ... dispensed. The shape of the sealed band guarantees ...
...
Biology Products: