HISTOCHEMISTRY AND LECTIN HISTOCHEMISTRY OF THE SCLERA AND CHOROID IN DEVELOPMENT OF THE EYES

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ARAB M.R.; TALAEI KHOUZANI T.; FAZEL A.R.

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Paper Information

Journal: Journal of Mazandaran University of Medical Sciences Year:2002 | Volume:12 | Issue:34 Page(s): 1-8

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Title

HISTOCHEMISTRY AND LECTIN HISTOCHEMISTRY OF THE SCLERA AND CHOROID IN DEVELOPMENT OF THE EYES

Author(s)

ARAB M.R. | TALAEI KHOUZANI T. | FAZEL A.R. | Issue Writer Certificate

Keywords

SCLERAQ4

CHOROIDQ4

EYE-CROWTH & DEVELOPMENTQ4

LECTINSQ4

Abstract

Background and purpose: SCLERA and CHOROID as external and middle tunic of the eye, originate from the mesenchyme surrounding the optic cup. Neural crest cells have major contribution in mesenchyme development. Main part of transmitter signals in eyes development is extracellular matrix components and cell surface glycoconjugates.The purpose of this study was to recognize extracellular matrix components and cell surface glycoconjugates during development of the SCLERA and CHOROID.Materials and methods: Rat embryos from 11th to 20th day of gestation and newborns from 1st to 15th day were collected.Tissue sections histochemical staining and lectin histochemistry using PNA, BSA1-B4 and S/PNA techniques were carried out. Sections graded according to staining intensity.Results: Statistical analysis of section showed significant differences only for neutral and carboxylated acidic glycose aminoglycan in studied days (mann-whitney P<0.05). Further more, surrounding optic cup mesenchyme reacts with high affinity to BSA1-B4. In this way, presence of end sugar D-Gal in mesenchymal cells of this area was identified. The reaction of above mentioned mesenchyme to PNA lectin of end sugar D-Gal N-acetyle glucose amine was negative, but after using sialidase enzyme digestion method, some of the mesenchymal cells showed a week response to this lectin. In this way, presence of acid sialic and end sugar Gal/GalNac could be shown in these cells.Conclusion: It is concluded that, over-all, extracellular matrix changes and cell surface end sugars are part of mechanism responsible in control of morphogenesis in embryo during eye formation.

Cites

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

References

مطالعات هیستوشیمیایی ترکیبات قندی سطح سلولی لنفوسیت های T در روند تکامل جنینی

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APA: Copy

ARAB, M.R., TALAEI KHOUZANI, T., & FAZEL, A.R.. (2002). HISTOCHEMISTRY AND LECTIN HISTOCHEMISTRY OF THE SCLERA AND CHOROID IN DEVELOPMENT OF THE EYES. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 12(34), 1-8. SID. https://sid.ir/paper/44366/en

Vancouver: Copy

ARAB M.R., TALAEI KHOUZANI T., FAZEL A.R.. HISTOCHEMISTRY AND LECTIN HISTOCHEMISTRY OF THE SCLERA AND CHOROID IN DEVELOPMENT OF THE EYES. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2002;12(34):1-8. Available from: https://sid.ir/paper/44366/en

IEEE: Copy

M.R. ARAB, T. TALAEI KHOUZANI, and A.R. FAZEL, “HISTOCHEMISTRY AND LECTIN HISTOCHEMISTRY OF THE SCLERA AND CHOROID IN DEVELOPMENT OF THE EYES,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 12, no. 34, pp. 1–8, 2002, [Online]. Available: https://sid.ir/paper/44366/en

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