Objective: To investigate the relationship between the HSP 70 genepolymorphism and primary infertility in males with normal sperm-parameters.
Methods: The case-control study was conducted in Sanliurfa, Turkey, from September 2010 to August 2011and comprised infertile males as cases and healthy fertile controls. Deoxyribonucleicacid was isolated from the blood of both groups, and polymorphisms of the HSPA1B gene (NM_005346.4, GI: 3304):c.1059G>A, (PstI G>A; dbSNP: rs1061581G>A) and HSPA1L gene (NM_005527.3, GI: 3305) c.1478C>T (NcoIC>T, dbSNP: rs2227956) were analysed with polymerase chain reaction-restriction fragment length polymorphism technique. SPSS version 11.5 was used for statistical analysis.
Results: Of the 140males in the study, 68(28.5%) were infertile cases and 72(51.4%) fertile controls. There was no statistically significant difference between GA (heterozygous) and AA (homozygous, polymorphic) genotypes of the c.1059G>A polymorphic point of the HSPA1B gene or between the A allele of the cases and controls (p>0.05). There was no statistically significant difference between the CT (heterozygote) and TT (homozygous, polymorphic) genotypes of the c.1478C>T polymorphic area of the HSPA1Lgene or between the T alleles of the cases and the controls (p>0.05).
Conclusions: Infertility in males with normal sperm parameters was not significantly associated with HSPA1B:c.1059G>A and HSPA1L:c.1478C>T gene polymorphisms. Further prospective studies with larger sample sizes and different gene groups are required to clarify the issue.
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Exp Eye Res
December 2024
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, Guangdong Province, China. Electronic address:
Mitochondrial dysfunction is linked to age-related macular degeneration (AMD), but its mechanisms and related molecular networks remain unclear. We explored the association between mitochondrial-related genes and AMD by integrating multiomic data. We acquired summary-level data on mitochondrial-related protein abundance, gene expression, and gene methylation from quantitative trait locus studies.
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Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, UP, India.
The signature of selection is a crucial concept in evolutionary biology that refers to the pattern of genetic variation which arises in a population due to natural selection. In the context of climate adaptation, the signature of selection can reveal the genetic basis of adaptive traits that enable organisms to survive and thrive in changing environmental conditions. Breeds living in diverse agroecological zones exhibit genetic "footprints" within their genomes that mirror the influence of climate-induced selective pressures, subsequently impacting phenotypic variance.
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February 2023
School of Public Health, Hangzhou Normal University, Hangzhou 311100, China.
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Department of Pediatrics, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt.
Given the significant role the heat shock protein Hsp70 plays in modulating cellular homeostasis in several chronic inflammatory disorders, the genetic variation of the inducible () gene may impact protein expression and disease phenotype. The rs2763979 variant has been associated with multiple inflammatory scenarios, but no previous studies have explored its association with asthma. In this sense, this cross-sectional study enrolled 90 children with asthma and 218 age-/sex-matched healthy volunteers for rs2763979 variant genotyping by TaqMan allelic discrimination analysis.
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Laboratorio de Medicina Genómica, Hospital General de Culiacán, Servicios de Salud Sinaloa, Culiacán, Mexico.
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