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Table 1 UCD PDX-derived cell line general characteristics

From: New generation breast cancer cell lines developed from patient-derived xenografts

Cell line

Origin

Patient age

Pathology of patient specimen

PDX ER/PR statusa

Cell line ER/PR statusa

Treatment

UCD4

Pleura

68

Invasive mammary carcinoma. Metastatic adenocarcinoma. Grade 2. Original pathologyb ER+PR+Her2−

ER+++PR+++

ER+++PR+

Tamoxifen, AI, fulvestrant, chemotherapy

UCD12

Primary tumor

54

IDC with mucinous features, grade 3, ER+(93%)PR+(15%)Her2−

ER++PR−

ER++PR−

None

UCD65

Lymph node

47

Metastatic carcinoma in LN. ER(97%)PR(5%)Her2−

ER+++PR++

ER+++PR++

Neoadjuvant chemotherapy

UCD46

Primary tumor

41

IDC multifocal. Grade 3. ER(0%)PR(20%)Her2−

ERlowPR−

ER−PR−

Neoadjuvant chemotherapy

UCD115

Primary tumor

36

IDC. ER−PR−Her2−

ERlowPR−

ER−PR−

Neoadjuvant chemotherapy

UCD178

Pleura

ND

ILC. Original pathologyb ER+PR+Her2−

ERlowPR−

ER−PR−

Tamoxifen, AI, palbociclib, chemotherapy

  1. aPercent positive cells: +++, > 60%; ++, 31–60%; +, 1–30%; low, < 1%
  2. bFor primary tumor at diagnosis, the two pleural effusions were not re-evaluated upon recurrence