Name: intranasal administration of cns therapeutics to awake mice
Uploaded: 2013-04-08T12:00:00
Description: Watch this Scientific Journal Video about Intranasal Administration of CNS Therapeutics to Awake Mice at JoVE.com

Forfatterne vil gerne takke HealthPartners Institutionel Animal Care og brug Udvalg på Regionsudvalgets Hospital.

1. Akklimatisering til Håndtering til intranasal administration til Awake mus Indledning Mus skal akklimatiseres til håndtering i en periode af to-fire uger før starten af ​​intranasal administration. Akklimatisering til håndtering er vigtigt, da det hjælper med at sikre en korrekt kropsstilling for maksimal effektivitet i vågen intranasal drug delivery. Desuden kan mus, som ikke er blevet ordentligt vant til denne proces har en alvorlig angst reaktion efter...

<ol>
	<li>Dhuria, S. V., Hanson, L. R., Frey, W. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+delivery+to+the+central+nervous+system:+mechanisms+and+experimental+considerations.">Intranasal delivery to the central nervous system: mechanisms and experimental considerations.</a> J. Pharm Sci. 99, 1654-1673 (2010).</li><li>Thorne, R. G., Pronk, G. J., Padmanabhan, V., Frey, W. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Delivery+of+insulin-like+growth+factor-I+to+the+rat+brain+and+spinal+cord+along+olfactory+and+trigeminal+pathways+following+intranasal+administration.">Delivery of insulin-like growth factor-I to the rat brain and spinal cord along olfactory and trigeminal pathways following intranasal administration.</a> Neuroscience. , 127-481 (2004).</li><li>Benedict, C., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+insulin+as+a+therapeutic+option+in+the+treatment+of+cognitive+impairments.">Intranasal insulin as a therapeutic option in the treatment of cognitive impairments.</a> Exp. Gerontol. 46, 112-115 (2011).</li><li>Francis, G. J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+insulin+prevents+cognitive+decline,+cerebral+atrophy+and+white+matter+changes+in+murine+type+I+diabetic+encephalopathy.">Intranasal insulin prevents cognitive decline, cerebral atrophy and white matter changes in murine type I diabetic encephalopathy.</a> Brain. 131, 3311-3334 (2008).</li><li>Francis, G., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+insulin+ameliorates+experimental+diabetic+neuropathy.">Intranasal insulin ameliorates experimental diabetic neuropathy.</a> Diabetes. 58, 934-945 (2009).</li><li>Marks, D. R., Tucker, K., Cavallin, M. A., Mast, T. G., Fadool, D. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Awake+intranasal+insulin+delivery+modifies+protein+complexes+and+alters+memory,+anxiety,+and+olfactory+behaviors.">Awake intranasal insulin delivery modifies protein complexes and alters memory, anxiety, and olfactory behaviors.</a> J. Neurosci. 29, 6734-6751 (2009).</li><li>Hanson, L., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+delivery+of+deferoxamine+reduces+spatial+memory+loss+in+APP/PS1+mice.">Intranasal delivery of deferoxamine reduces spatial memory loss in APP/PS1 mice.</a> Drug Delivery and Translational Research. 2, 160-168 (2012).</li><li>Danielyan, L., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Protective+effects+of+intranasal+losartan+in+the+APP/PS1+transgenic+mouse+model+of+Alzheimer+disease.">Protective effects of intranasal losartan in the APP/PS1 transgenic mouse model of Alzheimer disease.</a> Rejuvenation Research. 13, 195-201 (2010).</li><li>Fine, J. M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+deferoxamine+improves+performance+in+radial+arm+water+maze,+stabilizes+HIF-1alpha,+and+phosphorylates+GSK3beta+in+P301L+tau+transgenic+mice.">Intranasal deferoxamine improves performance in radial arm water maze, stabilizes HIF-1alpha, and phosphorylates GSK3beta in P301L tau transgenic mice.</a> Exp. Brain Res. 219, 381-390 (2012).</li><li>Lochhead, J. J., Thorne, R. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+delivery+of+biologics+to+the+central+nervous+system.">Intranasal delivery of biologics to the central nervous system.</a> Adv. Drug Deliv. Rev. 64 (11), 614-628 (2012).</li><li>Hanson, L. R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+deferoxamine+provides+increased+brain+exposure+and+significant+protection+in+rat+ischemic+stroke.">Intranasal deferoxamine provides increased brain exposure and significant protection in rat ischemic stroke.</a> J. Pharmacol. Exp Ther. 330, 679-686 (2009).</li><li>Reger, M. A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Effects+of+intranasal+insulin+on+cognition+in+memory-impaired+older+adults:+modulation+by+APOE+genotype.">Effects of intranasal insulin on cognition in memory-impaired older adults: modulation by APOE genotype.</a> Neurobiol. Aging. 27, 451-458 (2006).</li><li>Kim, C. H., Song, H. y. u. n., M, E. u. n. A. h. n., Lee, Y., G, J., Yoon, J. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Effect+of+hypo-,+iso-+and+hypertonic+saline+irrigation+on+secretory+mucins+and+morphology+of+cultured+human+nasal+epithelial+cells.">Effect of hypo-, iso- and hypertonic saline irrigation on secretory mucins and morphology of cultured human nasal epithelial cells.</a> Acta Otolaryngol. 125, 1296-1300 (2005).</li><li>Greiff, L., Andersson, M., Wollmer, P., Persson, C. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hypertonic+saline+increases+secretory+and+exudative+responsiveness+of+human+nasal+airway+in+vivo.">Hypertonic saline increases secretory and exudative responsiveness of human nasal airway in vivo.</a> Eur. Respir. J. 21, 308-312 (2003).</li></ol>

Denne fremgangsmåde viser, hvordan mus kan gives regelmæssige doser af intranasal medikament til at målrette hjernen uden brug af anæstesi. Intranasal lægemiddel kan leveres til store grupper af mus i længere tidsrum med minimal anstrengelse. En enkelt gruppe på op til 20 mus kan intranasalt behandles af en enkelt person på mindre end en time. En bred vifte af molekyler, lige fra små jernkelatorerer på vækstfaktorer til mesenkymale stamceller, har vist sig hurtigt at målrette CNS og har udvist virkningsfuldh...

<table border="1">
 <tbody>
 <tr>
 <td>Materials</td>
 <td>Company</td>
 <td>Cat #</td>
 <td>Comment</td>
 </tr>
 <tr>
 <td>P20 pipettor set at 6 &mu;l</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Gel loading pipette tips</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Timer</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Waste receptacle for tips</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Dosing sheet for notes</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Pen</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Drug and vehicle</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Container to hold drug vials</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Animals to be dosed</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Spare gloves</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td>Paper towels to wipe urine</td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr>
 <td></td>
 <td></td>
 <td></td>
 <td>Table 3. Materials Needed</td>
 </tr>
 </tbody>
</table>

intranasal administration of cns therapeutics to awake mice

Intranasal indgivelse er en metode til afgivelse af terapeutika til det centrale nervesystem (CNS). Den er ikke-invasiv og tillader store molekyler, der ikke krydser blod-hjerne-barrieren adgang til CNS. Narkotika er direkte målrettet til CNS med intranasal levering, reduktion af systemisk eksponering og dermed uønskede systemiske bivirkninger 1. Levering fra næsen på centralnervesystemet finder sted inden for minutter langs både de olfaktoriske og trigeminal neurale veje via et ekstracellulært rute og kræver ikke lægemidlet til at binde til en receptor eller axonal transport 2. Intranasal levering er en meget opreklameret metode og er i øjeblikket anvendes i humane kliniske undersøgelser 3. Intranasal levering af lægemidler i dyremodeller giver mulighed for initial vurdering af farmakokinetiske fordeling og effekt. Med mus, er det muligt at administrere lægemidler til vågen (ikke-bedøvet) dyr med regelmæssige mellemrum under anvendelse af en specialiseretEgenproduktionen intranasal greb. Awake levering er gavnligt, fordi det giver mulighed for langsigtet kronisk dosering uden bedøvelse, det tager kortere tid end med anæstesi, og kan læres og udføres af mange mennesker, så hold af teknikere kan dosere et stort antal mus i korte perioder. Effektiviteten af terapeutiske midler indgivet intranasalt på denne måde til mus er blevet påvist i en række undersøgelser, herunder insulin i diabetiske musemodeller 4-6 og deferoxamin i Alzheimers musemodeller. 7,8 Den intranasale greb for mus kan læres, men er ikke let og kræver øvelse, dygtighed, og en præcis greb til effektivt at afgive lægemiddel til hjernen og undgå afløb til lunge og mave. Mus fastholdes i hånden under anvendelse af en modificeret Scruff i de ikke-dominerende hånd med halsen holdes parallelt med gulvet, medens lægemiddel afgives med en pipette med den dominerende hånd. Det tager normalt 3-4 uger akklimering til håndtering før muskan holdes med dette greb uden stress respons. Vi har udarbejdet denne Jové video at gøre denne intranasal levering teknik mere tilgængelige.

Der er flere måder at bestemme effektiviteten af ​​medicinafgivelse. Den første er at intranasalt administrere et farvestof, såsom tusch eller methylenblåt for at visualisere farvestof efter aflivning af dyret i den olfaktoriske epitel og efter at hjernen er fjernet, ind i CNS gennem cribriform plade. Den anden er at måle medikament leveret enten ved anvendelse af en radio-mærket tag eller ved anvendelse af ELISA-detektion af umærket molekyle. Et godt eksempel på lægemiddelfordeling i CNS efter administrati...

Watch this Scientific Journal Video about Intranasal Administration of CNS Therapeutics to Awake Mice at JoVE.com

Intranasal Administration of CNS Therapeutics to Awake Mice

Fremgangsmåde til intranasal administration af lægemidler til vågne mus med henblik på målretning hjernen er beskrevet. Denne metode giver mulighed for gentagne doser over lange perioder med intranasal administration af lægemiddel uden bedøvelse, og næse-til-hjerne levering med minimal systemisk eksponering.

Intranasal administration af CNS Therapeutics at vågne mus

Intranasal administration is a method of delivering  therapeutic agents to the central nervous system (CNS). It is  non-invasive and allows large ...

Research

JoVE Journal

Medicine

Rat Model of Blood-brain Barrier Disruption to Allow Targeted Neurovascular Therapeutics

Rottemodel af blod-hjerne barrieren Disruption at muliggøre målrettede neurovaskulær Therapeutics

Endothelial cells with tight junctions along with the basement membrane and astrocyte end feet surround cerebral blood vessels to form the blood-brain ...

A Novel High-resolution In vivo Imaging Technique to Study the Dynamic Response of Intracranial Structures to Tumor Growth and Therapeutics

A Novel High-resolution In vivo Imaging Technique to Study the Dynamic Response of Intracranial Structures to Tumor Growth and Therapeutics

A Novel Høj opløsning<em&gt; In vivo</em&gt; Imaging teknik til at undersøge den dynamiske respons af Intrakranielle Structures til tumorvækst og Therapeutics

We have successfully integrated previously established Intracranial window (ICW) technology 1-4 with intravital 2-photon confocal microscopy to develop a ...

Carotid Artery Infusions for Pharmacokinetic and Pharmacodynamic Analysis of Taxanes in Mice

Halspulsåren infusioner farmakokinetisk og farmakodynamisk analyse af Taxaner i mus

When proposing the use of a drug, drug combination, or drug delivery into a novel system, one must assess the pharmacokinetics of the drug in the study ...

Non-invasive Assessment of the Efficacy of New Therapeutics for Intestinal Pathologies Using Serial Endoscopic Imaging of Live Mice

Ikke-invasiv vurdering af effekten af ​​nye lægemidler til behandling af Intestinal patologier Brug Serial Endoskopisk Imaging af levende mus

Animal models of inflammatory bowel disease (IBD) and colorectal cancer (CRC) have provided significant insight into the cell intrinsic and extrinsic ...

A Rat Carotid Balloon Injury Model to Test Anti-vascular Remodeling Therapeutics

En Rat carotis ballon Skade Model til Test Anti-vaskulære Remodeling Therapeutics

The rat carotid balloon injury is a well-established surgical model that has been used to study arterial remodeling and vascular cell proliferation. It is ...

Through the Looking Glass: Time-lapse Microscopy and Longitudinal Tracking of Single Cells to Study Anti-cancer Therapeutics

Gennem Looking Glass: Time-lapse mikroskopi og Longitudinal Tracking af enkelte celler til at studere antikræftmidler

The response of single cells to anti-cancer drugs contributes significantly in determining the population response, and therefore is a major contributing ...

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Longitudinal<em&gt; In vivo</em&gt; Imaging af Cerebrovasculature: Relevans til CNS-sygdomme

Remodeling of the brain vasculature is a common trait of brain pathologies. In vivo imaging techniques are fundamental to detect cerebrovascular ...

Evaluating the Procedure for Performing Awake Cystometry in a Mouse Model

Evaluering af proceduren for udførelse af vækkecystometri i en musemodel

Awake filling cystometry has been used for a long time to evaluate bladder function in freely moving mice, however, the specific methods used, vary among ...

Intranasal Delivery of Therapeutic Stem Cells to Glioblastoma in a Mouse Model

Intranasal levering af terapeutiske stamceller til glioblastom i en musemodel

The intrinsic tropism towards brain malignancies renders stem cells as promising carriers of therapeutic agents against malignant tumors. The delivery of ...

Novel Methods for Intranasal Administration Under Inhalation Anesthesia to Evaluate Nose-to-Brain Drug Delivery

Nye metoder for Intranasal Administration Under Inhalation anæstesi til at evaluere næse-til-hjerne Drug Delivery

Intranasal administration has been reported to be a potential pathway for nose-to-brain delivery of therapeutic agents that circumvents the blood-brain ...