Cookies help us deliver our services. By using our services, you agree to our use of cookies. More information

Difference between revisions of "Bioblast alert 2015"

From Bioblast
 
(123 intermediate revisions by 9 users not shown)
Line 1: Line 1:
[[File:Bioblast alert.jpg|240px|right]]
{{Bioblast header page name}}
[[Image:BB-Bioblast.jpg|left|30px|link=Bioblast:About|Bioblast wiki]]
[[File:Bioblast alert.jpg|240px|right|link=Bioblast_alert|Bioblast alert]]


'''Bioblast alert''' is prepared by the [[Bioblast editorial board]] to draw attention to specific topics on the '''Bioblast wiki'''.
'''[[Bioblast alert|back to "Bioblast alert" main page]]'''
'''Bioblast alert''': for information purposes, not intended to be an advertisement. 
__TOC__
Contributions are welcome.


=== Bioblast alert 2015(01): 2015-01-01 ===


== Bioblast alert 2012(04): 2012-04-29 ==
[[Image:BB-Bioblast.jpg|left|30px|link=Gentle Science|Gentle Science]]
* '''MitoPedia topic''': '''''Mitochondria''''' - can we decide on a common abbreviation? - or simply call them '''''[[Bioblasts]]'''''. --> '''[[Mitochondria]]''' and [[Talk:Mitochondria]]
* '''Bioblast news''': '''Light in the powerhouse of the cells''' - [http://www.oroboros.at/?Houska-Award_2011 a mt-project is the winner of the Houska Award 2011].
* '''Comparative mt-physiology - life style and training:'''
::[[Votion 2012 PLoS One|Votion DM, Gnaiger E, Lemieux H, Mouithys-Mickalad A, Serteyn D (2012) Physical fitness and mitochondrial respiratory capacity in horse skeletal muscle. PLoS One 7(4): e34890.]]


== Bioblast alert 2012(03): 2012-03-23 / 2012-04-03 ==
[[Gentle_Science#Bioenergetics_-_Arts_meets_Gentle_Science |'''Bioenergetics - Arts meets Gentle Science''']] - Bioenergetics Exhibition, March 15-June 17, 2015, Science Museum of Virginia, US - a Gentle Science project initiated by [[Iyer S |Shilpa Iyer]].
'''MitoPedia topic''': '''[[Permeabilized_muscle_fibres#Oxygen_dependence_of_ROS_production_-_are_permeabilized_fibres_a_valid_model.3F|Oxygen dependence of ROS production - are permeabilized fibres a valid model?]]'''


--> [[Talk:Permeabilized muscle fibres|'''''Discussion''''']]


'''''Drosophila'' vs. sandworm: High-resolution respirometry in permeabilized muscle fibres'''
[[Image:Logo-MiP2014.jpg|left|55px|link=MiP2015|MiPArt by Odra Noel]]
# [[Pichaud 2012 Comp Biochem Physiol A Mol Integr Physiol|Pichaud N, Rioux P, Blier PU (2012) In situ quantification of mitochondrial respiration in permeabilized fibers of a marine invertebrate with low aerobic capacity. Comp Biochem Physiol A Mol Integr Physiol 161: 429-435.]]
» '''MiP''schools'' 2015''': »» [[MiPschool Cape Town 2015 |'''Cape Town ZA, March 24-28''']] »» [[MiPschool London 2015 |'''London UK, April 20-25''']] »» [[MiPschool Greenville 2015 |'''Greenville US, August 10-14''']].
# [[Pichaud 2011 Am J Physiol Regul Integr Comp Physiol|Pichaud N, Ballard JWO, Tanguay RM, Blier PU (2011) Thermal sensitivity of mitochondrial functions in permeabilized muscle fibers from two populations of Drosophila simulans with divergent mitotypes. Am J Physiol Regul Integr Comp Physiol 301: R48-R49.]]
''New from the Ballard lab'':
* [[Horan 2012 J Gerontol A Biol Sci Med Sci|Horan MP, Pichaud N, Ballard JW (2012) Review: Quantifying mitochondrial dysfunction in complex diseases of aging. J Gerontol A Biol Sci Med Sci [Epub ahead of print].]]


» [[MiP2015 |'''Mitochondrial Physiology Conference MiP2015, Sep 7-11''']], Luční Bouda, Czech Republic.


== Bioblast alert 2012(02): 2012-03-06 ==
* '''50 Years ago''': '''Nick Holonyak''', considered as the "father of the light-emitting diode", developed the first practical '''visible-spectrum LED in 1962'''. ''Which colour? What is a'' '''LED'''''?'' >>> see '''[[Light emitting diode|Glossary: Fluorescence]]'''


'''Mitochondrial dys/function in obesity vs. anorexia''':
[[Image:BB-Bioblast.jpg|20px|link=Bioblast:About|Bioblast wiki]] '''[[Bioblast track]]''' - evolving hot Bioblast topics: reflections at the beginning of the New Year.
# [[Lindfors 2011 Proc Natl Acad Sci U S A|Lindfors C, Nilsson IA, Garcia-Roves PM, Zuberi AR, Karimi M, Donahue LR, Roopenian DC, Mulder J, Uhlén M, Ekström TJ, Davisson MT, Hökfelt TG, Schalling M, Johansen JE (2011) Hypothalamic mitochondrial dysfunction associated with anorexia in the anx/anx mouse. Proc Natl Acad Sci U S A 108: 18108-18113.]]
# [[Holmstroem 2012 Am J Physiol Endocrinol Metab|Holmstroem MH, Iglesias-Gutierrez E, Zierath JR, Garcia-Roves PM (2012) Tissue-specific control of mitochondrial respiration in obesity-related insulin resistance and diabetes. Am J Physiol Endocrinol Metab 302: E731-E739.]]


== Bioblast alert 2012(01): 2012-02-27 ==


Two exciting publications on '''mitochondrial [[p50|''p''<sub>50</sub>]]''', apparent [[excess capacity]] of cytochrome c oxidase, '''[[basal metabolic rate]]''', [[P/O ratio]]s and ergometric [[efficiency]]:
'''<big><big><big>HRR</big></big></big> - high-resolution respirometry''' was established 20 years ago: [[Gnaiger 1995 J Bioenerg Biomembr |Control of mitochondrial and cellular respiration by oxygen. J Bioenerg Biomembr 1995.]]
# [[Larsen_2011_FASEB_J|Larsen FJ, Schiffer TA, Sahlin K, Ekblom B, Weitzberg E, Lundberg JO (2011) Mitochondrial oxygen affinity predicts basal metabolic rate in humans. FASEB J 25: 2843-2852.]]
# [[Larsen_2011_Cell_Metab|Larsen FJ, Schiffer TA, Borniquel S, Sahlin K, Ekblom B, Lundberg JO, Weitzberg E (2011) Dietary inorganic nitrate improves mitochondrial efficiency in humans. Cell Metab 13: 149-159.]]




== Bioblast alert 2011(04): 2011-12-24 ==
=== Bioblast alert 2015(02): 2015-04-28 ===


* '''Congratulations''' to [[Pesta D|Dr. Dominik Pesta]], for receiving his degree of a PhD at the Medical University of Innsbruck! (Jan 2012)
* Gentle Science: The '''Vancouver Protocol''' carries the spirit of Gentle Science. Do involved editors, authors and peer reviewers know that? »[[Gentle_Science#The_Vancouver_Protocol.2C_ICMJE.2C_and_Gentle_Science |''more details'']]
* [[Bioblast editorial board]] - [[Talk:Bioblast editorial board|Why a wiki editorial board?]]  
* [[MitoGlobal Events]]: '''[[UMDF2015 |Mitochondrial Medicine, UMDF2015]]: Washington DC US, 2015 Jun 17-20'''.
* '''[[SUIT protocol]]s for HRR: from intact cells to permeabilized muscle fibres''':
* [[MitoGlobal Organizations]]: Amy Goldstein ([[Mitochondrial_Medicine_Society|Mitochondrial Medicine Society]]) created the '''Mitochondrial Global Networks map'''. »[http://www.mitosoc.org/clinics ''see the map''].
::[[Pesta 2012 Methods Mol Biol|Pesta D, Gnaiger E (2012) High-resolution respirometry. OXPHOS protocols for human cells and permeabilized fibres from small biopisies of human muscle. Methods Mol Biol 810: 25-58.]]
* Weissig V, Edeas M, eds (2015) Mitochondrial medicine: probing mitochondrial function. [[Weissig_2015_Methods_Mol_Biol_I |Methods Mol Biol 1264:1-480]].
* MitoPedia: '''What is wrong with the RCR?''' »''Find out:'' [[Image:j--P.jpg|50 px|link=OXPHOS-coupling efficiency |OXPHOS-coupling efficiency]] [[OXPHOS-coupling efficiency]]




== Bioblast alert 2011(03): 2011-11-24 ==
=== Bioblast alert 2015(03): 2015-07-03 ===
* '''Fluorometry combined with high-resolution respirometry''': Light guide inserted into the chamber through a black PEEK stopper<ref>[[Anderson 2011 Am J Physiol Heart Circ Physiol|Anderson EJ, Rodriguez E, Anderson CA, Thayne K, Chitwood WR, Kypson AP (2011) Increased propensity for cell death in diabetic human heart is mediated by mitochondrial-dependent pathways. Am J Physiol Heart Circ Physiol 300: H118-124.]]</ref>, or optical probe operated through the O2k-glass window<ref>[[Hickey 2012 J Comp Physiol B|Hickey AJ, Renshaw GM, Speers-Roesch B, Richards JG, Wang Y, Farrell AP, Brauner CJ (2012) A radical approach to beating hypoxia: depressed free radical release from heart fibres of the hypoxia-tolerant epaulette shark (''Hemiscyllum ocellatum''). J Comp Physiol B [Epub ahead of print] ]]</ref>.
<references/>


*'''[[Talk:Fluorometry|Fluorometry versus fluorimetry]]''' - term of the week. >>>New '''[[Glossary: Fluorometry]]''' - high-resolution terminology.
[[Image:MitoPedia.jpg|40px|link=MitoPedia|MitoPedia]] » '''[[Melatonin |Melatonin beyond the clock]]'''


[[Image:MitoPedia.jpg|40px|link=MitoPedia|MitoPedia]] [[Image:R.jpg|link=ROUTINE respiration|ROUTINE]] - [[Image:L.jpg|link=LEAK respiration|LEAK]] - [[Image:E.jpg|link=ET capacity|ETS]] - [[Image:ROX.jpg|link=Residual oxygen consumption|ROX]]: this is the 'phosphorylation control protocol' (PCP) for intact cells - or better '''[[coupling-control protocol]]''' (CCP)?


== Bioblast alert 2011(02): 2011-11-17 ==
» Special Issue on [[Media:Mitochondrial_Biology_Toxicology_and_Medicine.pdf | Mitochondrial Biology, Toxicology, and Medicine]] by Ryan J. Mailloux, University of Ottawa,Ottawa, Canada ([mailto:[email protected] [email protected]]) - deadline August 14, 2015.


* '''[http://www.oroboros.at/index.php?ioc64 O2k-Workshop IOC64 - Centre for Cellular and Molecular Biology, Hyderabad, India]: 2011-12-08'''.
» [[MitoGlobal Events]]: [[MiP2015]] - early registration deadline July 14!


* '''Heart failure and mitochondrial dysfunction'''. Increased [[OXPHOS capacity]] after cold preservation of the human heart – a paradox resolved by a dyscoupling mechanism.
::[[Lemieux 2011 Int J Biochem Cell Biol|Lemieux H, Semsroth S, Antretter H, Hoefer D, Gnaiger E (2011) Mitochondrial respiratory control and early defects of oxidative phosphorylation in the failing human heart. Int J Biochem Cell Biol 43: 1729–1738.]] --> [[Talk:Lemieux 2011 Int J Biochem Cell Biol|Discussion: Complementary results on the PGC-1a pathway]].


* '''[[Tissue storage]]''' on ice is possible for limited periods of time (several hours) with preservation of mitochondrial respiratory function, as evaluated with [[SUIT protocol]]s. ([[Scientific service]])
=== Bioblast alert 2015(04): 2015-08-24 ===


* '''[[Uncoupled]], [[non-coupled]], [[dyscoupled]]''' - term of the week: a hallmark of high-resolution respirometry is a matching high-resolution terminology.
[[Image:Logo-MiP2014.jpg|40px|link=MiP2015|MiPArt by Odra Noel]] [[MitoGlobal Events]]: Programme '''Mitochondrial Physiology Conference, CZ, Sept 2015''' now online: '''»[[MiP2015]]«'''. Last-minute registrations are encouraged - a special opportunity for MiP''members'', students and young investigators - no surcharge for late registration.
::[[Talk:Uncoupled respiration|Evaluate an example of low-resolution terminology]]: '''''[[Dyscoupled respiration|Uncoupling]]''' was studied in stressed cells by measurement of coupled respiration, evaluation of '''[[LEAK|uncoupled]]''' respiration after inhibition with oligomycin, and FCCP titration to quantify '''[[non-coupled|uncoupled]]''' respiration''.




== Bioblast alert 2011(01): 2011-11-11 ==
[[Image:BB-Bioblast.jpg|30px|link=Bioblast:About|Bioblast wiki]] Send your favourite '''» [[Bioblast picture of the month]]'''.


* A key question on the separation of '''qualitative versus quantitative change of mitochondrial function''' is addressed in a new O2k-Publication. Does training induce mild uncoupling? Are sedentary humans healthy controls?
[[Image:MitoGlobal.jpg|40px|link=Mitochondrial_Global_Network|MitoGlobal]] 5 years ago: the '''Bioblast Boost''' » [[Bioblast:About]]
::[[Pesta_2011_Am J Physiol Regul Integr Comp Physiol|Pesta D, Hoppel F, Macek C, Messner H, Faulhaber M, Kobel C, Parson W, Burtscher M, Schocke M, Gnaiger E (2011) Similar qualitative and quantitative changes of mitochondrial respiration following strength and endurance training in normoxia and hypoxia in sedentary humans. Am J Physiol Regul Integr Comp Physiol 301: R1078–R1087.]]
 
* [[ETS capacity]] plays a key role in such analyses, which cannot be achieved quantitatively without careful '''[[Optimum uncoupler concentration|uncoupler titrations]]'''. ([[Scientific service]])
[[Image:MitoPedia.jpg|40px|link=MitoPedia|MitoPedia]] » [[MitoPedia: Respiratory states]]: apparent excess capacities of respiration [[Image:ExP.jpg|60 px|link=Excess E-P capacity|Excess ''E-P'' capacity]] [[Image:ExR.jpg|60 px|link=Excess E-R capacity|Excess ''E-R'' capacity]]
* '''[[Basal respiration]]''' - term of the month: a hallmark of high-resolution respirometry is a matching high-resolution terminology.
 
 
 
== Bioblast alert - previous issues ==
* [[Bioblast alert 2015]]
* [[Bioblast alert 2014]]
* [[Bioblast alert 2013]]
* [[Bioblast alert 2012]]
* [[Bioblast alert 2011]]
 
 
[[Category:Gentle Science]]

Latest revision as of 15:01, 8 June 2020

Bioblast alert 2015

Bioblast wiki
Bioblast alert

back to "Bioblast alert" main page

Bioblast alert 2015(01): 2015-01-01

Gentle Science

Bioenergetics - Arts meets Gentle Science - Bioenergetics Exhibition, March 15-June 17, 2015, Science Museum of Virginia, US - a Gentle Science project initiated by Shilpa Iyer.


MiPArt by Odra Noel

» MiPschools 2015: »» Cape Town ZA, March 24-28 »» London UK, April 20-25 »» Greenville US, August 10-14.

» Mitochondrial Physiology Conference MiP2015, Sep 7-11, Luční Bouda, Czech Republic.


Bioblast wiki Bioblast track - evolving hot Bioblast topics: reflections at the beginning of the New Year.


HRR - high-resolution respirometry was established 20 years ago: Control of mitochondrial and cellular respiration by oxygen. J Bioenerg Biomembr 1995.


Bioblast alert 2015(02): 2015-04-28


Bioblast alert 2015(03): 2015-07-03

MitoPedia » Melatonin beyond the clock

MitoPedia ROUTINE - LEAK - ETS - ROX: this is the 'phosphorylation control protocol' (PCP) for intact cells - or better coupling-control protocol (CCP)?

» Special Issue on Mitochondrial Biology, Toxicology, and Medicine by Ryan J. Mailloux, University of Ottawa,Ottawa, Canada ([email protected]) - deadline August 14, 2015.

» MitoGlobal Events: MiP2015 - early registration deadline July 14!


Bioblast alert 2015(04): 2015-08-24

MiPArt by Odra Noel MitoGlobal Events: Programme Mitochondrial Physiology Conference, CZ, Sept 2015 now online: »MiP2015«. Last-minute registrations are encouraged - a special opportunity for MiPmembers, students and young investigators - no surcharge for late registration.


Bioblast wiki Send your favourite » Bioblast picture of the month.

MitoGlobal 5 years ago: the Bioblast Boost » Bioblast:About

MitoPedia » MitoPedia: Respiratory states: apparent excess capacities of respiration Excess E-P capacity Excess E-R capacity


Bioblast alert - previous issues