Journals / Turkish Journal of Medical Sciences / 2015 / Cilt: 45 - Sayı: 1

Aberrant expression of leukemia inhibitory factor receptor (LIFR) and leukemia inhibitory factor (LIF) is associated with tubal pregnancy occurrence

Pages
214–220
Publication Date
2015-03-15
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Conclusion: Aberrant expression of LIF and LIFR might be associated with the occurrence of tubal pregnancy.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Tubal pregnancy is a major cause of maternal death in the first trimester and exploration of its underlying molecular mechanism is of great importance.
📊
Key Findings & Data:Materials and methods: Immunohistochemistry was performed to probe the differential expression of LIF and LIFR in oviduct tissues among a control group (including NP group, n = 11; and IP group, n = 12), tubal pregnancy group (Ect-N group, n = 31; and Ect-A group, n = 40), and chronically inflamed group (including Inf-S group, n = 11; and Inf-P group, n = 9), followed by semiquantitative analysis.
💡
Conclusion & Impact:Conclusion: Aberrant expression of LIF and LIFR might be associated with the occurrence of tubal pregnancy.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:LIF · LIFR · fallopian tube

Abstract

Tubal pregnancy is a major cause of maternal death in the first trimester and exploration of its underlying molecular mechanism is of great importance. This study aimed to explore the association of tubal pregnancy with leukemia inhibitory factor (LIF) and leukemia inhibitory factor receptor (LIFR) expression in oviduct tissues. Materials and methods: Immunohistochemistry was performed to probe the differential expression of LIF and LIFR in oviduct tissues among a control group (including NP group, n = 11; and IP group, n = 12), tubal pregnancy group (Ect-N group, n = 31; and Ect-A group, n = 40), and chronically inflamed group (including Inf-S group, n = 11; and Inf-P group, n = 9), followed by semiquantitative analysis. Results: Semiquantitative immunohistochemical analysis demonstrated that there was no significant difference in LIF expression in either the epithelial or stromal cells of oviduct tissues between the tubal pregnancy group and the control group (P < 0.05). However, LIF expression was remarkably elevated in the Inf-S and Inf-P group compared to the other groups (P < 0.05). In the epithelial cells of the fallopian tubes, LIFR expression was highest in the chronically inflamed group, followed by the tubal pregnancy group, outnumbering the control group (P < 0.05). More interestingly, an opposite expression trend of LIFR was observed in the stromal cells of the fallopian tubes among these groups (P < 0.05). Conclusion: Aberrant expression of LIF and LIFR might be associated with the occurrence of tubal pregnancy.

Özet

Tubal pregnancy is a major cause of maternal death in the first trimester and exploration of its underlying molecular mechanism is of great importance. This study aimed to explore the association of tubal pregnancy with leukemia inhibitory factor (LIF) and leukemia inhibitory factor receptor (LIFR) expression in oviduct tissues. Materials and methods: Immunohistochemistry was performed to probe the differential expression of LIF and LIFR in oviduct tissues among a control group (including NP group, n = 11; and IP group, n = 12), tubal pregnancy group (Ect-N group, n = 31; and Ect-A group, n = 40), and chronically inflamed group (including Inf-S group, n = 11; and Inf-P group, n = 9), followed by semiquantitative analysis. Results: Semiquantitative immunohistochemical analysis demonstrated that there was no significant difference in LIF expression in either the epithelial or stromal cells of oviduct tissues between the tubal pregnancy group and the control group (P < 0.05). However, LIF expression was remarkably elevated in the Inf-S and Inf-P group compared to the other groups (P < 0.05). In the epithelial cells of the fallopian tubes, LIFR expression was highest in the chronically inflamed group, followed by the tubal pregnancy group, outnumbering the control group (P < 0.05). More interestingly, an opposite expression trend of LIFR was observed in the stromal cells of the fallopian tubes among these groups (P < 0.05). Conclusion: Aberrant expression of LIF and LIFR might be associated with the occurrence of tubal pregnancy.

🔖

Cite This Article

LI, Y., SUN, L., ZHAO, D., OUYANG, J., XIANG, M. (2015). Aberrant expression of leukemia inhibitory factor receptor (LIFR) and leukemia inhibitory factor (LIF) is associated with tubal pregnancy occurrence. Turkish Journal of Medical Sciences, Cilt: 45 - Sayı: 1, 214–220. https://ajindex.com/articles/209671

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (11)

  1. Stewart CL, Kaspar P, Brunet LJ, Bhatt H, Gadi I, Köntgen F, Abbondanzo SJ. Blastocyst implantation depends on maternal expression of leukemia inhibitory factor. Nature 1992; 359: 76–79.
  2. Bhatt H, Brunet LJ, Stewart CL. Uterine expression of leukemia inhibitory factor coincides with the onset of blastocyst implantation. Proc Natl Acad Sci USA 1991; 88: 11408–11412.
  3. Ji YF, Chen LY, Xu KH, Yao JF, Shi YF. Locally elevated leukemia inhibitory factor in the inflamed fallopian tube resembles that found in tubal pregnancy. Fertil Steril 2009; 91: 2308–2314.
  4. Kiran G, Kiran H, Ertopcu K, Kilinc M, Ekerbicer HC, Vardar MA. Tuba uterina leukemia inhibitory factor concentration does not increase in tubal pregnancy: a preliminary study. Fertil Steril 2005; 83: 484–486.
  5. Wanggren K, Lalitkumar PG, Hambiliki F, Stabi B, Gemzell- Danielsson K, Stavreus-Evers A. Leukaemia inhibitory factor receptor and gp130 in the human Fallopian tube and endometrium before and after mifepristone treatment and in the human preimplantation embryo. Mol Hum Reprod 2007; 13: 391–397.
  6. Liang Y, Zhou Y, Jiang T, Zhang Z, Wang S, Wang Y. Expression of LIF and LIFR in periodontal tissue during orthodontic tooth movement. Angle Orthod 2011; 81: 600–608.
  7. Okamura Y, Nomoto S, Kanda M, Li Q, Nishikawa Y, Sugimoto H, Kanazumi N, Takeda S, Nakao A. Leukemia inhibitory factor receptor (LIFR) is detected as a novel suppressor gene of hepatocellular carcinoma using double-combination array. Cancer Lett 2010; 289: 170–177.
  8. Chen D, Sun Y, Wei Y, Zhang P, Rezaeian AH, Teruya-Feldstein J, Gupta S, Liang H, Lin HK, Hung MC et al. LIFR is a breast cancer metastasis suppressor upstream of the Hippo-YAP pathway and a prognostic marker. Nat Med 2012; 18: 1511– 1517. Shaw JL, Dey SK, Critchley HO, Horne AW. Current knowledge of the aetiology of human tubal ectopic pregnancy. Hum Reprod Update 2010; 16: 432–444.
  9. Hvid M, Baczynska A, Deleuran B, Fedder J, Knudsen HJ, Christiansen G, Birkelund S. Interleukin-1 is the initiator of Fallopian tube destruction during Chlamydia trachomatis infection. Cell Microbiol 2007; 9: 2795–2803.
  10. Brown MA, Metcalf D, Gough NM. Leukemia inhibitory factor and interleukin 6 are expressed at very low levels in the normal adult mouse and are induced by inflammation. Cytokine 1994; 6: 300–309.
  11. Derigs HG, Boswell HS. LIF mRNA expression is transcriptionally regulated in murine bone marrow stromal cells. Leukemia 1993; 7: 630–634. Hambartsoumian E. Leukemia inhibitory factor (LIF) production by