Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran
Abstract Purpose: To estimate carrier frequencies of CYP1B1 mutations p.Gly61Glu and p.Arg368His, respectively, in Talesh and the east of Guilan province in Iran with a maximum error of 2%. Previously, it was shown that these CYP1B1 mutations may be relatively prevalent in these regions. Methods: Po...
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2021
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oai:doaj.org-article:b4b18880fe45485489ffda447c4f575e2021-11-09T08:05:35ZCarrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran2008-20102008-322X10.18502/jovr.v16i4.9747https://doaj.org/article/b4b18880fe45485489ffda447c4f575e2021-10-01T00:00:00Zhttps://doi.org/10.18502/jovr.v16i4.9747https://doaj.org/toc/2008-2010https://doaj.org/toc/2008-322XAbstract Purpose: To estimate carrier frequencies of CYP1B1 mutations p.Gly61Glu and p.Arg368His, respectively, in Talesh and the east of Guilan province in Iran with a maximum error of 2%. Previously, it was shown that these CYP1B1 mutations may be relatively prevalent in these regions. Methods: Population-based screenings were performed. DNA was extracted from saliva samples of 1036 individuals from Talesh and 3029 individuals from the east of Guilan. P.Gly61Glu and p.Arg368His screenings were performed, respectively, by RFLP and ARMS-based PCR protocols. For confirmation, the DNA of individuals with mutations was sequenced using the Sanger protocol. Results: Nine individuals from Talesh (0.86%; 95%CI: 0.45–1.64%) carried the p.Gly61Glu mutation, and 73 from the east of Guilan (2.41%; 95%CI: 1.91–3.04%) carried p.Arg368His. There was no significant difference in frequencies between urban and rural regions of the various cities, nor among four cities within the east of Guilan. Conclusion: The frequencies of p.Gly61Glu carriers in Talesh and of p.Arg368His carriers in the east of Guilan were within the 95% confidence interval of a previous study based on screenings of fewer individuals. The reliability of the recent estimates is higher, as the confidence interval for p.Gly61Glu decreased from 6.5% to 1.19% and the interval for p.Arg368His decreased from 4% to 1.13%. Based on the new findings, the maximum expected frequency of p.Gly61Glu carriers in Talesh is 1.64%, and of p.Arg368His carriers in the east of Guilan is 3%. The need for performing premarital screenings in the respective cities can be evaluated.Ali HeshmatiPeyman TaghizadehHamid AhmadiehMehdi YaseriFatemeh SuriMahsa AlizadehMarjan DadashzadehHajar KhatamiMonireh Moradkhah NaviParisa ZamanparvarHassan BehboudiElahe ElahiKnowledge Earticlecyp1b1guilaniranp.arg368hisp.gly61gluprimary congenital glaucomaOphthalmologyRE1-994ENJournal of Ophthalmic & Vision Research, Vol 16, Iss 4, Pp 574-581 (2021) |
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cyp1b1 guilan iran p.arg368his p.gly61glu primary congenital glaucoma Ophthalmology RE1-994 |
| spellingShingle |
cyp1b1 guilan iran p.arg368his p.gly61glu primary congenital glaucoma Ophthalmology RE1-994 Ali Heshmati Peyman Taghizadeh Hamid Ahmadieh Mehdi Yaseri Fatemeh Suri Mahsa Alizadeh Marjan Dadashzadeh Hajar Khatami Monireh Moradkhah Navi Parisa Zamanparvar Hassan Behboudi Elahe Elahi Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran |
| description |
Abstract Purpose: To estimate carrier frequencies of CYP1B1 mutations p.Gly61Glu and p.Arg368His, respectively, in Talesh and the east of Guilan province in Iran with a maximum error of 2%. Previously, it was shown that these CYP1B1 mutations may be relatively prevalent in these regions. Methods: Population-based screenings were performed. DNA was extracted from saliva samples of 1036 individuals from Talesh and 3029 individuals from the east of Guilan. P.Gly61Glu and p.Arg368His screenings were performed, respectively, by RFLP and ARMS-based PCR protocols. For confirmation, the DNA of individuals with mutations was sequenced using the Sanger protocol. Results: Nine individuals from Talesh (0.86%; 95%CI: 0.45–1.64%) carried the p.Gly61Glu mutation, and 73 from the east of Guilan (2.41%; 95%CI: 1.91–3.04%) carried p.Arg368His. There was no significant difference in frequencies between urban and rural regions of the various cities, nor among four cities within the east of Guilan. Conclusion: The frequencies of p.Gly61Glu carriers in Talesh and of p.Arg368His carriers in the east of Guilan were within the 95% confidence interval of a previous study based on screenings of fewer individuals. The reliability of the recent estimates is higher, as the confidence interval for p.Gly61Glu decreased from 6.5% to 1.19% and the interval for p.Arg368His decreased from 4% to 1.13%. Based on the new findings, the maximum expected frequency of p.Gly61Glu carriers in Talesh is 1.64%, and of p.Arg368His carriers in the east of Guilan is 3%. The need for performing premarital screenings in the respective cities can be evaluated. |
| format |
article |
| author |
Ali Heshmati Peyman Taghizadeh Hamid Ahmadieh Mehdi Yaseri Fatemeh Suri Mahsa Alizadeh Marjan Dadashzadeh Hajar Khatami Monireh Moradkhah Navi Parisa Zamanparvar Hassan Behboudi Elahe Elahi |
| author_facet |
Ali Heshmati Peyman Taghizadeh Hamid Ahmadieh Mehdi Yaseri Fatemeh Suri Mahsa Alizadeh Marjan Dadashzadeh Hajar Khatami Monireh Moradkhah Navi Parisa Zamanparvar Hassan Behboudi Elahe Elahi |
| author_sort |
Ali Heshmati |
| title |
Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran |
| title_short |
Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran |
| title_full |
Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran |
| title_fullStr |
Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran |
| title_full_unstemmed |
Carrier Status for p.Gly61Glu and p.Arg368His CYP1B1 Mutations Causing Primary Congenital Glaucoma in Iran |
| title_sort |
carrier status for p.gly61glu and p.arg368his cyp1b1 mutations causing primary congenital glaucoma in iran |
| publisher |
Knowledge E |
| publishDate |
2021 |
| url |
https://doaj.org/article/b4b18880fe45485489ffda447c4f575e |
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