LECTIN HISTOCHEMICAL STUDY OF VASCULOGENESIS DURING RAT PITUITARY MORPHOGENESIS

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EBRAHIMZADEH BIDESKAN A.R.; HASSANZADEH TAHERI MOHAMMAD MEHDI; NIKRAVESH MOHAMMAD REZA; FAZEL ALI REZA

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Journal: Iranian Journal of Basic Medical Sciences Year:2011 | Volume:14 | Issue:1 (48) Page(s): 35-41

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Title

LECTIN HISTOCHEMICAL STUDY OF VASCULOGENESIS DURING RAT PITUITARY MORPHOGENESIS

Author(s)

EBRAHIMZADEH BIDESKAN A.R. | HASSANZADEH TAHERI MOHAMMAD MEHDI | NIKRAVESH MOHAMMAD REZA | FAZEL ALI REZA | Issue Writer Certificate

Keywords

ANGIOGENESIS

GLYCOCONJUGATES

LECTIN

PITUITARY

RAT

Abstract

Objective(s) The aim of this study was to investigate GLYCOCONJUGATES distribution patterns as well as their changes during the course of PITUITARY portal vasculogenesis and ANGIOGENESIS. Materials and Methods Formalin fixed paraffin sections of 10 to 20 days of Sprague Dawly RAT fetuses were processed for histochemical studies using four different horseradish peroxidase (HRP) conjugated LECTINs. Orange peel fungus (OFA), Vicica villosa (VVA), Glycine max (SBA) and Wistaria floribunda (WFA) specific for a-L-Fucose, D-Gal, a, b-D-GalNAc and D- GalNAc terminal sugars of GLYCOCONJUGATES respectively. Results Our finding indicated that adenohypophysal cells reacted with OFA on gestational day 10 (E10) and increased progressively to E14. Staining intensity did not change from days 14 to17, then after increased following days to E20 significantly (P< 0.05). A few cells around RAThke’s pouch reacted with VVA on E13, increased to E14 and decreased significantly afterward (P< 0.05). Reaction of some cells around RAThke’s pouch reacted with SBA on E14. This visible reaction was the same as E18 and decreased later (P< 0.05). Many cells around RAThke’s pouch reacted with WFA on E13 and increased on E14 and E15 and decreased thereafter (P< 0.05). Conclusion Reactions of OFA and other tested LECTINs with endothelial cells around RAThke’s pouch and developing pars distalis were different. These results suggest that embryonic origin of hypophiseal PITUITARY portal (HPP) system endothelial cells are not the same and our finding also indicated that GLYCOCONJUGATES with terminal sugars a-L-Fucose, D-Gal, a, b-D-GalNAc may play critical role(s) in cell interactions and tissue differentiations such as vasculogensis and ANGIOGENESIS as well as other developmental precursors in formation of the PITUITARY gland.

Cites

HISTOCHEMICAL LECTIN STUDY OF GLYCOCONJUGATES TERMINAL SUGARS DURING RETINA GANGLIONIC CELL DIFFERENTIATION IN RAT EYE

References

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APA: Copy

EBRAHIMZADEH BIDESKAN, A.R., HASSANZADEH TAHERI, MOHAMMAD MEHDI, NIKRAVESH, MOHAMMAD REZA, & FAZEL, ALI REZA. (2011). LECTIN HISTOCHEMICAL STUDY OF VASCULOGENESIS DURING RAT PITUITARY MORPHOGENESIS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 14(1 (48)), 35-41. SID. https://sid.ir/paper/579598/en

Vancouver: Copy

EBRAHIMZADEH BIDESKAN A.R., HASSANZADEH TAHERI MOHAMMAD MEHDI, NIKRAVESH MOHAMMAD REZA, FAZEL ALI REZA. LECTIN HISTOCHEMICAL STUDY OF VASCULOGENESIS DURING RAT PITUITARY MORPHOGENESIS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2011;14(1 (48)):35-41. Available from: https://sid.ir/paper/579598/en

IEEE: Copy

A.R. EBRAHIMZADEH BIDESKAN, MOHAMMAD MEHDI HASSANZADEH TAHERI, MOHAMMAD REZA NIKRAVESH, and ALI REZA FAZEL, “LECTIN HISTOCHEMICAL STUDY OF VASCULOGENESIS DURING RAT PITUITARY MORPHOGENESIS,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 14, no. 1 (48), pp. 35–41, 2011, [Online]. Available: https://sid.ir/paper/579598/en

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