100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Samenvatting Medische celbiologie $8.13   Add to cart

Summary

Samenvatting Medische celbiologie

 0 view  0 purchase
  • Course
  • Institution

Deze samenvatting bevat notities aan de hand van de slides uit de lessen van het vak Medische Celbiologie, gegeven door de titularissen Eva Lion, Evelien Smits en Bert Van den Bogerd. De samenvatting is opgesteld in het Nederlands en is specifiek gericht op de afstudeerrichting "Moleculaire Mechani...

[Show more]

Preview 4 out of 175  pages

  • November 29, 2024
  • 175
  • 2024/2025
  • Summary
avatar-seller
MEDISCHE CELBIOLOGIE
INHOUDSOPGAVE

1.1 Celtherapie ....................................................................................................................... 1
1.1.1 Definitie ........................................................................................................................... 1
1.1.2 Evolutie............................................................................................................................ 1

1.1.3 Celtherapie: De vierde pijler van de gezondheidszorg ......................................................... 2

1.2 Juridisch kader voor geneesmiddelen voor menselijk gebruik.............................................. 2

1.2.1 54 jaar: mijlpalen in de EU-regelgeving voor geneesmiddelen.............................................. 2
1.2.2 Juridisch kader ATMP van EMA .......................................................................................... 6
1.2.3 Clinical trial...................................................................................................................... 6
1.2.4 Federaal Agentschap voor Geneesmiddelen en Gezondheidsproducten (FAGG) ................. 6

1.3 Advanced Therapy Medicinal Products (ATMPs) .................................................................. 8
1.3.1 ATMP's - Geneesmiddelen voor menselijk gebruik die zijn gebaseerd op genen, weefsels of
cellen 8

1.3.1.1 Gentherapie (GTMP) ...................................................................................................... 8

1.3.1.2 Somatische celtherapie (sCTMP) ................................................................................... 9

1.3.1.3 Tissue-engineered products (TEP) ................................................................................ 10

1.3.1.4 Gecombineerde ATMPs (cATMP) .................................................................................. 10
1.3.2 Regelgeving voor cel-gebaseerde producten .....................................................................11
1.3.3 Celgebaseerde geneesmiddelen zijn heterogeen ..............................................................13

2.1 Good Manufacturing Practices (GMP) ................................................................................ 14
2.1.1 Regelgeving .....................................................................................................................14

2.1.2 Belangrijke verschillen tussen celgebaseerde therapieën en traditionele geneeskunde.......15
2.1.3 Complexiteit van celtherapie ...........................................................................................17

2.1.3.1 Testen van de karakterisering van celproducten............................................................ 17

2.1.3.2 Voorbeeld: gepersonaliseerd dendritisch celvaccin ...................................................... 18
2.1.4 Faciliteit: clean room .......................................................................................................19

2.2 Clinical trials en Good clinical practices (GCP) .................................................................. 20
2.2.1 Overgang van ontdekking naar testen op mensen ..............................................................20



1

, 2.2.2 Clinical trials ...................................................................................................................21
2.2.3 Clinical trial regelgeving ...................................................................................................22
2.2.4 Waarom clinical trial regelgeving voor investigational ATMP (iATMP)? .................................23

2.2.5 Bewustwordingscampagne rond ATMP .............................................................................23

3.1 Hematopoëse .................................................................................................................. 25
3.1.1 Definitie ..........................................................................................................................25
3.1.2 Hematopoëtische hiërarchie............................................................................................25
3.1.3 Hematopoëse oiv groeifactoren .......................................................................................26

3.2 Hematopoëtische stamceltransplantatie (HSCT) ............................................................... 27

3.2.1 Autoloog vs Allogeen .......................................................................................................27
3.2.2 Autologe HSCT ................................................................................................................27
3.2.3 Allogene HSCT ................................................................................................................28

3.2.3.1 Waarom? .................................................................................................................... 28

3.2.3.2 Onderliggend principe ................................................................................................. 29

3.2.3.3 Kans op herval in functie van donor .............................................................................. 29

3.2.3.4 Overzicht .................................................................................................................... 29

3.2.3.5 Hoe?........................................................................................................................... 30

3.2.3.6 Pre-transplantatie (Pre-TX) voorbereiding ..................................................................... 30

3.2.3.7 Conditioning ............................................................................................................... 30

3.2.3.8 Graft-versus-host disease (GvHD) preventie ................................................................. 31

3.2.3.9 Verkrijgen van TX product ............................................................................................ 31
3.2.4 Complicaties ..................................................................................................................32
3.2.5 Effecten op de outcome van allo-HSCT .............................................................................34

3.2.5.1 Het humaan microbioom ............................................................................................. 34

3.2.5.2 Immunologische homeostase in de darm ..................................................................... 34

3.2.5.3 Effecten op de outcome van allo-HSCT ........................................................................ 34

3.3 Immunotherapie .............................................................................................................. 35
3.3.1 Algemeen........................................................................................................................35

3.3.2 Monoklonale antilichamen...............................................................................................35
3.3.3 Antilichaam-geneesmiddelconjugaten .............................................................................35

3.3.4 Immuun checkpoint inhibitoren .......................................................................................36
3.3.5 Bispecifieke T-celbinders (BiTE) .......................................................................................36


2

, 3.3.6 Chimere antigen receptor T-cellen (CAR-T) .......................................................................36

4.1 Inleiding ........................................................................................................................... 38

4.2 Fantastische cellen van het immuunsysteem en hoe ze te verkrijgen .................................. 38

4.2.1 Componenten van het immuunsysteem ...........................................................................38

4.2.1.1 Algemeen - herhaling ................................................................................................... 38

4.2.1.2 Oorsprong van immuuncellen ...................................................................................... 39

4.2.1.3 Antigen-presenterende cellen (APC)............................................................................. 40

4.2.1.4 Interacties tussen het aangeboren en verworven immuunsysteem als respons op een
infectie 41

4.2.1.5 Wat zijn de stappen in celtherapieprocessen? .............................................................. 41
4.2.2 Cel bron ..........................................................................................................................42

4.2.2.1 Wat zijn de soorten celbronnen? .................................................................................. 42

4.2.2.2 Autologe cellen ........................................................................................................... 42

4.2.2.3 Allogene cellen ........................................................................................................... 43

4.2.2.4 Uitdagingen en tactieken voor autologe en allogene therapieën ..................................... 43

4.2.3 Cel isolatie ......................................................................................................................44

4.3 Strategieën voor immuuncelengineering ........................................................................... 46
4.3.1 Enkele concepten in genetische engineering .....................................................................46
4.3.2 Gen transfer ....................................................................................................................47

4.3.2.1 Classificatie van genengineering strategieën ................................................................ 47

4.3.2.2 Virale vectoren ............................................................................................................ 47

4.3.2.3 Non-virale gen delivery ................................................................................................ 49
4.3.3 Gen editing......................................................................................................................50

4.3.3.1 Transposons ............................................................................................................... 50

4.3.3.2 Vergelijking tussen transposons, ZFN, TALEN en CRIPR/Cas9 platformen ...................... 50

4.3.3.3 CRISPR/Cas9 knockouts vs knockins ........................................................................... 51

4.3.3.4 Base editors ................................................................................................................ 52

4.3.3.5 Prime editors .............................................................................................................. 52

4.4 Immunotherapieën ........................................................................................................... 53

4.4.1 Algemeen........................................................................................................................53
4.4.2 Gerichte antilichamen .....................................................................................................53


3

, 4.4.3 Kankervaccins.................................................................................................................54
4.4.4 Adoptieve celtherapieën ..................................................................................................55

4.5 Van T-celreceptoren (TCR) tot chimere antigeenreceptoren (CAR) voor TCR-T en CAR-T
therapie ...................................................................................................................................... 56
4.5.1 TCR-T cellen....................................................................................................................56
4.5.2 CAR-T cellen ...................................................................................................................58

4.5.2.1 Geschiedenis van CAR-T celtherapie ............................................................................ 58

4.5.2.2 Structuur van chimere antigen receptor........................................................................ 59

4.5.2.3 To go or not to go? Logische poorten in genetisch gemodificeerde T-cellen .................... 59

5.1 Het immuunsysteem ........................................................................................................ 62
5.1.1 Algemeen........................................................................................................................62
5.1.2 Het immuunsysteem .......................................................................................................62

5.1.2.1 Balans tussen immuniteit en tolerantie ........................................................................ 62

5.1.2.2 Belangrijkste spelers ................................................................................................... 62

5.1.2.3 Autoimmuniteit – “Horror Autotoxicus” ........................................................................ 63

5.2 Multiple sclerose (MS) ...................................................................................................... 63
5.2.1 MS symptomen ...............................................................................................................63
5.2.2 Immunopathogenese van MS ...........................................................................................64

5.3 Disease-modifying therapies (DMT) ................................................................................... 65

5.3.1 Niet-specifiek ..................................................................................................................65

5.3.1.1 Actief .......................................................................................................................... 65

5.3.1.2 Passief........................................................................................................................ 65
5.3.2 Specifiek .........................................................................................................................66

5.3.2.1 Passief – Monoklonale antilichamen ............................................................................ 66

5.3.2.2 Actief – recombinante proteïnen/peptiden.................................................................... 67

5.3.2.3 Actief – celtherapie (HSC) ............................................................................................ 67

5.3.2.4 Passief – celtherapie (Tregs)......................................................................................... 68

5.3.2.5 Actief – Celtherapie (APC) ............................................................................................ 69

6.1 Introductie ....................................................................................................................... 73
6.1.1 Immunotherapie .............................................................................................................73
6.1.2 Immuunsysteem .............................................................................................................73



4

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller BMWstudent19. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.13. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

62890 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$8.13
  • (0)
  Add to cart