Name: assessing replication and beta cell function in adenovirally-transduced isolated rodent islets
Uploaded: 2012-06-25T13:00:00
Description: Watch this Scientific Journal Video about Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets at JoVE.com

Questo lavoro è stato sostenuto dalla concessione DK078732 dal NIH (per PTF).

1. Trasduzione adenovirale e la coltura di isole di ratto <ol><li> Preparare una ben 6-non-tessuto piastra rivestita coltura aggiungendo 2 ml di mezzo (RPMI 1640 contenente 8 mM di glucosio, 10% di siero fetale bovino, 50 unità / ml di penicillina, e 50 ug / ml di streptomicina) al numero richiesto di pozzi. Ad esempio, un tipico esperimento può richiedere tre pozzetti, uno per ogni mancato controllo virus, un controllo virus (ad esempio, GFP-esprimono adenovirus), e il gruppo sperimentale. </li><li> Riscaldare la p...

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Stabilire percorsi che possono essere modulate per stimolare la replicazione e migliorare la funzione delle cellule beta sono importanti per entrambe le forme principali di diabete. Poiché funzionale massa di cellule beta dipende dalla esistenza e la funzione di cellule che secernono insulina, valutando questi determinanti simultaneamente ha i suoi vantaggi. Questo protocollo descrive un protocollo semplificato per identificare se la sovraespressione o la soppressione di una proteina porta a variazioni di massa funzion...

<table border="1"><tbody><tr><td> Nome del reattivo </td><td> Azienda </td><td> Numero di catalogo </td><td> Comments </td></tr><tr><td> RPMI 1640 mezzi </td><td> Gibco </td><td> 11879 </td><td></td></tr><tr><td> Penicillina / streptomicina </td><td> Gibco </td><td> 15140 </td><td></td></tr><tr><td> 6-pozzetti </td><td> BD-Falcon </td><td> 35-1146 </td><td> Non-TC trattati </td></tr><tr><td> [Metil-3 H]-timidina </td><td> Perkin Elmer </td><td> NET027Z001MC </td><td> 1 mCi / ml </td></tr><tr><td> Micro-provette da centrifuga; </td><td> Denville </td><td> C2170 </td><td> 1,7 ml </td></tr><tr><td> NaCl </td><td> Sigma </td><td> 59888 </td><td></td></tr><tr><td> KCl </td><td> Acros </td><td> 42409 </td><td></td></tr><tr><td> KH 2 &lt;/ Sub&gt; PO 4 </td><td> Acros </td><td> 20592 </td><td></td></tr><tr><td> MgSO 4 </td><td> Acros </td><td> 41348 </td><td></td></tr><tr><td> CaCl 2 </td><td> Acros </td><td> 34961 </td><td></td></tr><tr><td> HEPES </td><td> Sigma </td><td> H0887 </td><td> Soluzione 1 M </td></tr><tr><td> 35% BSA </td><td> Sigma </td><td> A7979 </td><td></td></tr><tr><td> NaHCO 3 </td><td> Acros </td><td> 42427 </td><td></td></tr><tr><td> d-glucosio </td><td> Sigma </td><td> G8769 </td><td></td></tr><tr><td> TCA </td><td> Fisher Scientific </td><td> SA9410-1 </td><td> 10% w / v </td></tr><tr><td> NaOH </td><td> Acros </td><td> 12426 </td><td></td></tr><tr><td> Scintillazione tubo </td><td> Sarstedt </td><td> 58,536 </td><td> 7 ml, PP </td&gt; </tr><tr><td> Scintillazione tappo del tubo di conteggio </td><td> Sarstedt </td><td> 65,816 </td><td></td></tr><tr><td> Econo-Safe cocktail di conteggio </td><td> RPI </td><td> 111175 </td><td></td></tr><tr><td> Insulina RIA </td><td> Siemens </td><td> TKIN2 </td><td></td></tr><tr><td> BCA Assay Kit </td><td> Thermo Scientific </td><td> 23250 </td><td></td></tr><tr><td></td><td></td><td></td><td> Attrezzatura </td></tr><tr><td> Centrifuga </td><td> Eppendorf </td><td> 5415R </td><td></td></tr><tr><td> Scintillazione portaprovette </td><td> Sarstedt </td><td> 93.1431.001 </td><td></td></tr><tr><td> Contatore a scintillazione liquida </td><td> Perkin Elmer </td><td> Tri-Carb 2910TR </td><td></td></tr></tbody></table>

assessing replication and beta cell function in adenovirally-transduced isolated rodent islets

Omeostasi del glucosio è principalmente controllata dal sistema endocrino gli ormoni insulina e glucagone, secreto dal pancreas beta e le cellule alfa, rispettivamente. Functional massa di cellule beta è determinata dalla massa anatomica cellule beta così come la capacità delle cellule beta per rispondere a un carico di nutrienti. Una perdita di massa funzionale delle cellule beta è fondamentale per entrambe le forme principali di diabete 1-3. Considerando che i risultati in declino funzionale massa di cellule beta da un attacco autoimmune nel diabete tipo 1, diabete di tipo 2, questo decremento si sviluppa sia da una incapacità delle cellule beta di secernere insulina in modo appropriato e la distruzione delle cellule beta da una squadra di meccanismi. Pertanto, gli sforzi per ristabilire la massa funzionale delle cellule beta sono di primaria importanza al trattamento migliore e potenziali cure per il diabete. Gli sforzi sono in corso per identificare i meccanismi molecolari che possono essere sfruttate per stimolare la replicazione e migliorare la funzione delle cellule beta.Idealmente, gli obiettivi terapeutici potrebbe migliorare sia la crescita e la funzione delle cellule beta. Forse ancora più importante però è quello di identificare se una strategia che stimola la crescita delle cellule beta arriva al costo di compromettere la funzione delle cellule beta (come nel caso di alcuni oncogeni) e viceversa. Sistematicamente la soppressione o sovraespressione l&#39;espressione di geni bersaglio in isole isolate di ratto, si possono identificare potenziali bersagli terapeutici per aumentare la massa funzionale delle cellule beta 4-6. I vettori adenovirali possono essere impiegati per proteine ​​efficiente esprimono molti o smontabile in isole di ratto isolati 4,7-15. Qui, presentiamo un metodo per modificare l&#39;espressione genica utilizzando trasduzione adenovirale e valutare la replicazione e la funzione delle cellule insulari beta in isole di ratto isolati (Figura 1). Questo metodo è stato utilizzato in precedenza per identificare nuovi bersagli che modulano la replicazione delle cellule beta o una funzione 5,6,8,9,16,17.

Watch this Scientific Journal Video about Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets at JoVE.com

Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets

Questo protocollo permette di identificare fattori che modulano funzionale massa delle cellule beta per trovare potenziali bersagli terapeutici per il trattamento del diabete. Il protocollo consiste in un metodo semplificato per valutare la replicazione delle isole e la funzione delle cellule beta in isole di ratto isolati dopo manipolazione genica con adenovirus.

Isolotti roditori Valutazione di replica e la funzione delle cellule beta in Adenovirally-trasdotte Isolati

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