Correction to: Long non-coding RNA HOTTIP enhances IL-6 expression to potentiate immune escape of ovarian cancer cells b
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(2020) 39:272
CORRECTION
Open Access
Correction to: Long non-coding RNA HOTTIP enhances IL-6 expression to potentiate immune escape of ovarian cancer cells by upregulating the expression of PD-L1 in neutrophils Anquan Shang1†, Weiwei Wang2†, Chenzheng Gu1†, Chen Chen1, Bingjie Zeng1, Yibao Yang1, Ping Ji1, Junjun Sun1, Junlu Wu1, Wenying Lu2, Zujun Sun1* and Dong Li1* Correction to: J Exp Clin Cancer Res 38, 411 (2019) https://doi.org/10.1186/s13046-019-1394-6 Following publication of the original article [1], the journal was notified of discrepancies in the study dates listed in the ‘Study subjects’ section, as well as the methodology described throughout the ‘Materials and methods’ section. The authors were asked to address the concerns and have presented clarifications over the affected areas. In addition, the journal asked Tongji University School of Medicine to confirm the clarifications provided by the authors; the committee appointed by Tongji University School of Medicine confirmed that the corrected dates and methodology reflect the details of the performed study. The corrected areas can be found below. The authors declare that these corrections do not change the results or conclusions of this article and apologize for any confusion that may have been caused. In the ‘Study subjects’ section (Page 2), the first sentence reads: “A total of 53 cases of OC tissues were collected from patients with OC who underwent surgical resection at Tongji Hospital of Tongji University School of Medicine The original article can be found online at https://doi.org/10.1186/s13046019-1394-6. * Correspondence: [email protected]; [email protected] † Anquan Shang, Weiwei Wang and Chenzheng Gu contributed equally to this work. 1 Department of Laboratory Medicine, Tongji Hospital of Tongji University School of Medicine, 389 Xincun Road, Shanghai 200065, China Full list of author information is available at the end of the article
and The Sixth People’s Hospital of Yencheng City from March 2017 to October 2018”; this should instead read: “A total of 53 cases of OC tissues were collected from patients with OC who underwent surgical resection at Tongji Hospital of Tongji University and The Sixth People’s Hospital of Yencheng City from March 2012 to October 2013, and follow-up was performed from May 2017 to October 2018.” In the ‘Neutrophil isolation and identification’ section (Page 3), the third and fourth sentence reads: “The serum was diluted with aseptic PBS at the ratio of 1:1. Afterwards, 3 mL of lymphocyte separation medium was added into a 15-mL centrifuge tube, followed by careful addition into the diluted serum.” This should instead read: “The blood was diluted with aseptic PBS at the ratio of 1:1 after plasma removal. Afterwards, 3 mL of neutrophil separation medium Reagent A (Solarbio, Beijing, China) was added into a 15-mL centrifuge tube, and 2 ml of the PBS-diluted blood was carefully laid on top of the separation solution. An interface formed between these two layers of reagents due to their low mutual solub
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