Sistemska biologija pri zdravljenju raka

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Sistemska biologija pri zdravljenju raka Doc. dr. Kristina Gruden Oddelek za biotehnologijo in sistemsko biologijo Nacionalni inštitut za biologijo

Kaj je sistemska biologija? razumevanje dinamike procesov v bioloških sistemih razumevanje delovanja organizmov Interdisciplinarnost

Kompleksni procesi aktivacija makrofagov

Framework Map of Macrophage Signalling Pathways 140 proteins, 99 complexes, 44 genes 285 interactions Raza et al., 2008, BMC Systems Biology. 2:36-51, 2008

Pristop sistemske biologije Opustimo tarčni pristop = iščemo in analiziramo le določene elemente sistema (gene, proteine, metabolite ) Sistematična analiza celotnega sistema

Pristop sistemske biologije Sistematičen opis elementov sistema Odkrivanje funkcije Modeliranje sistema Interdisciplinarnost: Biološke in medicinske znanosti + matematika in računalništvo

Omike

Metode sistemske biologije

Metode - avtomatizacija

Transkriptomika Izražanje genov na nivoju celotnega organizma Relacija mrna aktivnost proteinov Metode DNA-mikromreže (microarrays) PCR v realnem času (real-time PCR, qpcr) Zaporedna analiza izražanja genov (serial analysis of gene expression - SAGE) Masovno vzporedno sekveniranje podpisa (massive parallel signature sequencing MPSS)

DNA-mikromreže

Proteomika Proteom = vsi proteini organizma geni < proteini Bolj realna slika dogajanja v celici kot transkriptom, vendar težja karakterizacija

2D elektroforeza 1. dimenzija: Gel s ph gradientom Ločevanje glede na naboj 2. dimenzija SDS PAGE elektroforeza Ločevanje glede na molekulsko maso Barvanje proteinov (srebro, fluorescentna barvila, protitelesa) kvantifikacija

Masna spektrometrija

Proteomika Druge metode Proteinske mikromreže Dvohibridni sistem kvasovke (yeast two-hybrid system) Površinska plazmonska resonanca Interakcije Uporaba Biomarkerji za bolezni

Metabolomika Metabolom = majhne (ne-proteinske) molekule različne kemijske sestave geni<proteini<metaboliti veliko število, različnost problem identifikacije Uporaba: markerji bolezni, varnost hrane

Ločevanje in identifikacija metabolitov RP column (C18) Mobile phase kromatogram mešanice metabolitov Autosampler High pressure pump Mass spectrometer avtomatski vzorčevalnik tekočinska kromatografija Typical LC-MS system masni spektrometer masni spekter enega metabolita

Bioinformatika Velika količina podatkov! Naloge bioinformatike: Shranjevanje podatkov: baze, odlagališča Kontrola kakovosti Statistična obdelava Vizualizacija podatkov Modeliranje procesov Podatkovno rudarjenje

Orodja za vizualizacijo izražanje genov prisotnost metabolitov manj izraženi geni bolj izraženi geni

Modeliranje procesov

Modeliranje procesov Premalo eksperimentalnih podatkov in orodij za integracijo Prokariontski modeli Enocelični, majhen genom, omejene metabolne kapacitete Model človeškega srca Nobel, 1960

Spremljanje izražanja genov Transkriptom: Tehnologija DNA mikromrež Potrjena s strani FDA

Northern hibridizacija 1. Izolacija RNA 2. Elektroforeza 3. Prenos na membrano 4. Hibridizacija s sondo = en gen

Princip hibridizacije fluorescentno barvilo Cy3, Cy5 Mešanica mrna nosilec sonde Izbrani geni Objektnik

Princip tehnologije genskih čipov Priprava čipov UV svetloba Vezava Ponovitev Mikromreža Dotik površine Premik igle Ponovitev Mikromreža Izbrizg vzorca Premik igle Ponovitev Mikromreža

Princip tehnologije genskih čipov Priprava čipov

Cy5 Genski čipi - analiza podatkov 5000 4000 Tretirano Tkivo Ali Bolezensko stanje 3000 2000 1000 0 10 8 0 1000 2000 3000 4000 5000 Cy3 Kontrolno tkivo A 6 4

Genski čipi - analiza podatkov

Genski čipi - analiza podatkov neznana vloga 8,0000 pot 300 protein z neznano vlogo [01/67] pot 326 protein z neznano vlogo [01/67] pot 239 protein z neznano vlogo [02a/67] pot 074 protein z neznano vlogo [02ab/67] pot 101 protein z neznano vlogo [02ab/67] pot 234 protein z neznano vlogo [03a/67] pot 201 protein z neznano vlogo [03abc/67] pot 083 protein z neznano vlogo [03c/67] pot 037 protein z neznano vlogo [04/67] pot 125 protein z neznano vlogo [04/67] pot 199 protein z neznano vlogo [04/67] pot 293 protein z neznano vlogo [05/67] 7,0000 pot 371 protein z neznano vlogo [05/67] pot 194 protein z neznano vlogo [06ab/67] pot 013 protein z neznano vlogo [06b/67] pot 247 protein z neznano vlogo [07/67] pot 287 protein z neznano vlogo [07/67] pot 254 protein z neznano vlogo [08/67] pot 307 protein z neznano vlogo [08/67] pot 065 protein z neznano vlogo [09/67] 6,0000 pot 175 protein z neznano vlogo [09/67] pot 129 protein z neznano vlogo [10/67] pot 153 protein z neznano vlogo [10/67] pot 025 protein z neznano vlogo [11/67] pot 113 protein z neznano vlogo [11/67] pot 173 protein z neznano vlogo [11/67] pot 088 protein z neznano vlogo [12/67] pot 128 protein z neznano vlogo [12/67] 5,0000 pot 387 protein z neznano vlogo [13ab/67] pot 061 protein z neznano vlogo [14ab/67] pot 118 protein z neznano vlogo [14ab/67] pot 298 protein z neznano vlogo [13bc/67] pot 114 protein z neznano vlogo [14ab/67] pot 235 protein z neznano vlogo [14ab/67] pot 072 protein z neznano vlogo [14b/67] pot 250 protein z neznano vlogo [15/67] 4,0000 pot 391 protein z neznano vlogo [15/67] pot 034 protein z neznano vlogo [16/67] pot 207 protein z neznano vlogo [16/67] pot 075 protein z neznano vlogo [17a/67] pot 012 protein z neznano vlogo [17ab/67] pot 178 protein z neznano vlogo [17abc/67] pot 202 protein z neznano vlogo [17abcd/67] pot 071 protein z neznano vlogo [18/67] 3,0000 pot 305 protein z neznano vlogo [18/67] pot 017 protein z neznano vlogo [19/67] pot 059 protein z neznano vlogo [19/67] pot 066 protein z neznano vlogo [19/67] pot 070 protein z neznano vlogo [19/67] pot 103 protein z neznano vlogo [19/67] pot 145 protein z neznano vlogo [20/67] pot 158 protein z neznano vlogo [20/67] 2,0000 pot 161 protein z neznano vlogo [20/67] pot 057 protein z neznano vlogo [21a/67] pot 188 protein z neznano vlogo [21a/67] pot 220 protein z neznano vlogo [21ab/67] pot 242 protein z neznano vlogo [22/67] pot 245 protein z neznano vlogo [22/67] pot 324 protein z neznano vlogo [22/67] pot 243 protein z neznano vlogo [23/67] 1,0000 pot 244 protein z neznano vlogo [23/67] pot 348 protein z neznano vlogo [23/67] pot 394 protein z neznano vlogo [23/67] pot 031 protein z neznano vlogo [24/67] pot 046 protein z neznano vlogo [24/67] pot 052 protein z neznano vlogo [24/67] pot 078 protein z neznano vlogo [24/67] pot 117 protein z neznano vlogo [24/67] 0,0000 pot 141 protein z neznano vlogo [24/67] pot 189 protein z neznano vlogo [24/67] pot 060 protein z neznano vlogo [25/67] pot 174 protein z neznano vlogo [25/67] pot 291 protein z neznano vlogo [25/67] pot 318 protein z neznano vlogo [25/67] pot 396 protein z neznano vlogo [25/67] pot 044 protein z neznano vlogo [26/67] -1,0000 pot 053 protein z neznano vlogo [26/67] pot 135 protein z neznano vlogo [26/67] pot 166 protein z neznano vlogo [26/67] pot 171 protein z neznano vlogo [26/67] pot 176 protein z neznano vlogo [26/67] pot 280 protein z neznano vlogo [26/67] pot 289 protein z neznano vlogo [26/67] pot 345 protein z neznano vlogo [26/67] -2,0000 pot 333 protein z neznano vlogo [27/67] pot 010 protein z neznano vlogo [28/67] pot 027 protein z neznano vlogo [29/67] pot 045 protein z neznano vlogo [30/67] pot 064 protein z neznano vlogo [31/67] pot 068 protein z neznano vlogo [32/67] pot 081 protein z neznano vlogo [33/67] pot 124 protein z neznano vlogo [34/67] -3,0000 pot 140 protein z neznano vlogo [35/67] pot 150 protein z neznano vlogo [36/67] pot 183 protein z neznano vlogo [37/67] pot 185 protein z neznano vlogo [38/67] pot 212 protein z neznano vlogo [39/67] pot 219 protein z neznano vlogo [40/67] pot 246 protein z neznano vlogo [41/67] pot 270 protein z neznano vlogo [43/67] -4,0000 prim.ok. 5dni zg.listi prim.ok. 5dni sp.listi prim.ok. 14dni sp.listi sek.ok. sp.listi pot 273 protein z neznano vlogo [44/67] pot 276 protein z neznano vlogo [45/67] pot 281 protein z neznano vlogo [46/67] pot 295 protein z neznano vlogo [47/67] pot 296 protein z neznano vlogo [48/67] pot 336 protein z neznano vlogo [49/67] pot 354 protein z neznano vlogo [50/67] pot 355 protein z neznano vlogo [51/67] pot 373 protein z neznano vlogo [52/67] pot 378 protein z neznano vlogo [53/67] pot 390 protein z neznano vlogo [54/67] pot 398 protein z neznano vlogo [55/67] pot 309 protein z neznano vlogo [56/67] pot 039 protein z neznano vlogo [57/67] pot 092 protein z neznano vlogo [58/67] pot 181 protein z neznano vlogo [59/67] pot 186 protein z neznano vlogo [60/67] pot 260 protein z neznano vlogo [61/67] pot 266 protein z neznano vlogo [62/67] pot 267 protein z neznano vlogo [63/67] pot 283 protein z neznano vlogo [64/67] pot 325 protein z neznano vlogo [65/67] pot 376 protein z neznano vlogo [66/67] pot 383 protein z neznano vlogo [67/67]

Detekcija patogenov Primeri uporabe

Primeri uporabe za diagnostiko in terapijo rak prognoza bolezni uspešnost terapije

Personalizirano zdravljenje Primeri uporabe

Uporaba v biotehnologiji Iskanje novih zdravil Razvoj novih terapij V obeh primerih razumevanje mehanizmov delovanja Predvsem pri multifactorialnih boleznih Testiranje stranskih učinkov zdravil Izboljšava proizvodnjih procesov

Systems Biology Brings Hope Of Speeding Up Drug Development 28 de Enero de 2009 Almost evermore so often day brings news of an apparent breakthrough against cancer, infectious diseases, or metabolic conditions coextensive diabetes, but these rarely translate into effective therapies or drugs, and even if they do clinical development most often takes well concluded a decade. One dialectics is that medical research is conducted in highly fragmented batchs focusing on right on pathways or components leading to drugs that bow out not to exertion properly or to have dangerous side effects after cycles of animal and next clinical corroborating in humans. that process is expensive and wasteful, resulting from the fact that at present researchers exiguity tools to assess in advance how candidate drugs performance opposite the humans whole biological classification. The discipline of systems biology represents an attempt to unite the medical research community behind a common approach to understanding and modelling the complex interactions of the human, leading to more effective and faster drug development.

Sklepi Pristop sistemske biologije bo omogočil reševanje kompleksnih problemov kot sta npr. rak ali sladkorna bolezen. Trenutno je še premalo podatkov za postavitev natančnih modelov delovanja celic, tkiv, organov in organizmov in posledično uporabe v medicini Vizija Digital Human leta 2050