Ex vivo organotypic cultures for synergistic therapy prioritization identify patient-specific responses to combined MEK and Src inhibition in colorectal cancer

被引：32

作者：

Gavert, Nancy ^{[1
]}

Zwang, Yaara ^{[1
]}

Weiser, Roi ^{[2
,3
]}

Greenberg, Orli ^{[4
]}

Halperin, Sharon ^{[5
]}

Jacobi, Oded ^{[6
]}

Mallel, Giuseppe ^{[1
]}

Sandler, Oded ^{[1
]}

Berger, Adi Jacob ^{[1
]}

Stossel, Erez ^{[1
]}

Rotin, Daniil ^{[1
]}

Grinshpun, Albert ^{[7
]}

Kamer, Iris ^{[5
]}

Barzs, Jair ^{[3
,5
]}

Pines, Guy ^{[8
,9
]}

Saidian, Daniel ^{[10
]}

Bar, Ilan ^{[8
,9
]}

Golan, Shay ^{[3
,10
]}

Rosenbaum, Eli ^{[3
,6
]}

Nadu, Andrei ^{[3
,10
]}

Ben-Ami, Eytan ^{[3
,5
]}

Weitzen, Rony ^{[3
,5
]}

Nechushtan, Hovav ^{[7
]}

Golanz, Talia ^{[3
,5
]}

Brenner, Baruch ^{[3
,6
]}

Nissan, Aviram ^{[11
]}

Margalitzs, Ofer ^{[3
,5
]}

Hershkovitz, Dov ^{[3
,4
]}

Lahat, Guy ^{[2
,3
]}

Straussman, Ravid ^{[1
]}

机构：

[1] Weizmann Inst Sci, Dept Mol Cell Biol, Rehovot, Israel

[2] Tel Aviv Sourasky Med Ctr, Div Surg, Tel Aviv, Israel

[3] Tel Aviv Univ, Sackler Fac Med, Tel Aviv, Israel

[4] Tel Aviv Sourasky Med Ctr, Dept Pathol, Tel Aviv, Israel

[5] Sheba Med Ctr, Inst Oncol, Ramat Gan, Israel

[6] Rabin Med Ctr, Davidoff Canc Ctr, Inst Oncol, Petah Tiqwa, Israel

[7] Hebrew Univ Jerusalem, Hadassah Hebrew Univ Med Ctr, Fac Med, Sharett Inst Oncol, Jerusalem, Israel

[8] Kaplan Med Ctr, Dept Thorac Surg, Rehovot, Israel

[9] Hebrew Univ Jerusalem, Fac Med, Jerusalem, Israel

[10] Rabin Med Ctr, Dept Urol, Petah Tiqwa, Israel

[11] Sheba Med Ctr, Dept Gen & Oncol Surg Surg C, Ramat Gan, Israel

来源：

NATURE CANCER | 2022年 / 3卷 / 02期

关键词：

CONSENSUS MOLECULAR SUBTYPES; TUMOR PROGRESSION; TISSUE-SLICES; IRINOTECAN; KRAS; CRYOPRESERVATION; COOPERATIVITY; XENOGRAFTS; ACTIVATION; EXPRESSION;

D O I：

10.1038/s43018-021-00325-2

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Translating preclinical studies to effective treatment protocols and identifying specific therapeutic responses in individuals with cancer is challenging. This may arise due to the complex genetic makeup of tumor cells and the impact of their multifaceted tumor microenvironment on drug response. To find new clinically relevant drug combinations for colorectal cancer (CRC), we prioritized the top five synergistic combinations from a large in vitro screen for ex vivo testing on 29 freshly resected human CRC tumors and found that only the combination of mitogen-activated protein kinase kinase (MEK) and proto-oncogene tyrosine-protein kinase Src (Src) inhibition was effective when tested ex vivo. Pretreatment phosphorylated Src (pSrc) was identified as a predictive biomarker for MEK and Src inhibition only in the absence of KRAS(G12) mutations. Overall, we demonstrate the potential of using ex vivo platforms to identify drug combinations and discover MEK and Src dual inhibition as an effective drug combination in a predefined subset of individuals with CRC. Gavert et al. develop an organotypic platform to define individual-specific therapies, show that it can reflect in vivo PDX responses and find that combined MEK and Src inhibition is effective in a large panel of human colorectal tumors.

引用

页码：219 / +

页数：30

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