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Pal M, Das D, Pandey M. Understanding genetic variations associated with familial breast cancer. World J Surg Oncol 2024; 22:271. [PMID: 39390525 PMCID: PMC11465949 DOI: 10.1186/s12957-024-03553-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Accepted: 10/02/2024] [Indexed: 10/12/2024] Open
Abstract
BACKGROUND Breast cancer is the most frequent cancer among women. Genetics are the main risk factor for breast cancer. Statistics show that 15-25% of breast cancers are inherited among those with cancer-prone relatives. BRCA1, BRCA2, TP53, CDH1, PTEN, and STK11 are the most frequent genes for familial breast cancer, which occurs 80% of the time. In rare situations, moderate-penetrance gene mutations such CHEK2, BRIP1, ATM, and PALB2 contribute 2-3%. METHODS A search of the PubMed database was carried out spanning from 2005 to July 2024, yielding a total of 768 articles that delve into the realm of familial breast cancer, concerning genes and genetic syndromes. After exclusion 150 articles were included in the final review. RESULTS We report on a set of 20 familial breast cancer -associated genes into high, moderate, and low penetrance levels. Additionally, 10 genetic disorders were found to be linked with familial breast cancer. CONCLUSION Familial breast cancer has been linked to several genetic diseases and mutations, according to studies. Screening for genetic disorders is recommended by National Comprehensive Cancer Network recommendations. Evaluation of breast cancer candidate variations and risk loci may improve individual risk assessment. Only high- and moderate-risk gene variations have clinical guidelines, whereas low-risk gene variants require additional investigation. With increasing use of NGS technology, more linkage with rare genes is being discovered.
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Affiliation(s)
- Manjusha Pal
- Department of Surgical Oncology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Doutrina Das
- Department of Surgical Oncology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Manoj Pandey
- Department of Surgical Oncology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India.
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Goldoost S, Zarredar H, Asadi M, Shirvaliloo M, Raeisi M. Expression and promoter methylation of mitogen-activated protein kinase 1 in tumor and marginal cells of breast cancer. Breast Dis 2023; 42:437-445. [PMID: 38143331 DOI: 10.3233/bd-230001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2023]
Abstract
AIM In the present study, we sought to explore potential differences in the expression and promoter methylation of mitogen-activated protein kinase 1 (MAPK1) between tumor and marginal cells of breast cancer lesions. METHODS A total of 50 randomly selected patients with breast cancer (BCa) undergoing needle biopsy were enrolled. Clinical specimens containing both tumor and marginal cells were collected and preserved. After DNA extraction using specific primers, MAPK1 mRNA and promoter methylation were measured with spectrophotometry at 260/280 nm absorption wavelengths. To deliver a comparative analysis, data from The Cancer Genome Atlas (TCGA) program regarding breast cancer (BRCA), were downloaded from Xena Functional Genomics Explorer and separately analyzed. The suitability of MAPK1 expression and promoter methylation as biomarkers for BCa was analyzed with receiver operating characteristic (ROC) curves. RESULTS We found a positive correlation between tumor stage and MAPK1 expression (P-value: 0.029) in BCa. Likewise, MAPK1 expression was significantly associated with lymph node metastasis (P-value: 0.018). There was a significant difference in the expression of MAPK1 mRNA between tumor and marginal cells of BCa and BRCA (P-value < 0.001). However, we did not find any statistically significant difference in MAPK1 promoter methylation between tumor and marginal cells of both BCa and BRCA. With an area under the curve (AUC) of 0.71, the diagnostic accuracy of MAPK1 expression in BCa and BRCA was validated. However, MAPK1 promoter methylation was not found to be a suitable biomarker. CONCLUSION Our findings suggest that while MAPK1 expression, might be a promising biomarker for evaluating oncogenic activity in patients suspected of BCa. We were not able to detect a prognostic/diagnostic role for MAPK1 promoter methylation.
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Affiliation(s)
- Solmaz Goldoost
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Habib Zarredar
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Milad Asadi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Milad Shirvaliloo
- Future Science Group, London, UK
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mortaza Raeisi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Aziz MA, Islam MS. MAP3K1 rs889312 polymorphism and cancer prognosis: A systematic review and meta-analysis. Cancer Rep (Hoboken) 2022; 6:e1773. [PMID: 36560873 PMCID: PMC9875638 DOI: 10.1002/cnr2.1773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/18/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Accumulating studies have evaluated the association between MAP3K1 polymorphisms and cancer prognosis. However, the results of these studies are conflicting. Given the potential impact of MAP3K1 rs889312 SNP on the prognosis of various cancers, this meta-analysis was performed to obtain solid and credible evidence. METHODS AND MATERIALS This study was performed according to the PRISMA 2020 statement. A comprehensive article search was conducted to find and select articles from multiple databases, including PubMed, Google Scholar, Web of Science, EMBASE and the Cochrane Library, published up to 15th September 2022. The data analysis was performed with Review Manager v5.2. Pooled HR with its 95% CI and p-value was calculated where HR >1 suggests worse/poor survival and HR <1 suggests better survival of cancer patients. RESULTS A total of five articles comprising 24 439 patients were included for both qualitative and quantitative data synthesis. It was found that only the dominant genetic model (AC + CC vs. AA) showed a statistically significant poor overall survival for MAP3K1 rs889312 polymorphism (HR = 1.25, 95% CI = 1.06-1.47, p = .01). In addition, publication bias analysis by the Egger's test and the Begg-Mazumdar test reported no significant bias in the analysis of overall survival (p > .05). CONCLUSIONS The present study concludes that MAP3K1 gene rs889312 polymorphism plays a prognostic role in the survival of cancer patients. However, future research is recommended that will analyze more MAP3K SNPs along with rs889312, which may reveal more credible outcomes in terms of cancer prognosis.
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Affiliation(s)
- Md. Abdul Aziz
- Department of Pharmacy, Faculty of Pharmacy and Health SciencesState University of BangladeshDhakaBangladesh
| | - Mohammad Safiqul Islam
- Department of Pharmacy, Faculty of ScienceNoakhali Science and Technology UniversityNoakhaliBangladesh,Laboratory of Pharmacogenomics and Molecular Biology, Department of PharmacyNoakhali Science and Technology UniversityNoakhaliBangladesh
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Characteristics and possible mechanisms of 46, XY differences in sex development caused by novel compound variants in NR5A1 and MAP3K1. Orphanet J Rare Dis 2021; 16:268. [PMID: 34112222 PMCID: PMC8194036 DOI: 10.1186/s13023-021-01908-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 06/07/2021] [Indexed: 02/08/2023] Open
Abstract
Background Dozens of genes are involved in 46, XY differences in sex development (DSD). Notably, about 3/4 of patients cannot make a clear etiology diagnosis and single gene variant identified cannot fully explain the clinical heterogeneity of 46, XY DSD. Materials and methods We conducted a systematic clinical analysis of a 46, XY DSD patient, and applied whole-exome sequencing for the genetic analysis of this pedigree. The identified variants were analyzed by bioinformatic analysis and in vitro studies were performed in human embryonic kidney 293T (HEK-293T) cells which were transiently transfected with wild type or variant NR5A1 and MAP3K1 plasmid. Furthermore, protein production of SRY-box transcription factor 9 (SOX9) was analyzed in cell lysates. Results A novel NR5A1 variant (c.929A > C, p. His310Pro) and a rare MAP3K1 variant (c.2282T > C, p. Ile761Thr) were identified in the proband, whereas the proband's mother and sister who only carry rare MAP3K1 variant have remained phenotypically healthy to the present. These two variants were predicted to be pathogenic by bioinformatic analysis. In vitro, NR5A1 variant decreased the SOX9 production by 82.11% compared to wild type NR5A1, while MAP3K1 variant had little effect on the SOX9 production compared to wild type MAP3K1. Compared to wild type NR5A1 transfection, the SOX9 production of cells transfected with both wild type plasmids decreased by about 17.40%. Compared to variant NR5A1 transfection, the SOX9 production of cells transfected with both variant plasmids increased by the 36.64%. Conclusions Our findings suggested the novel compound variants of NR5A1 and MAP3K1 can alter the expression of SOX9 and ultimately lead to abnormality of sex development. Supplementary Information The online version contains supplementary material available at 10.1186/s13023-021-01908-z.
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Novel compound variants of the AR and MAP3K1 genes are related to the clinical heterogeneity of androgen insensitivity syndrome. Biosci Rep 2021; 40:222776. [PMID: 32338288 PMCID: PMC7953519 DOI: 10.1042/bsr20200616] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/21/2020] [Accepted: 04/24/2020] [Indexed: 12/13/2022] Open
Abstract
Androgen insensitivity syndrome (AIS; OMIM 300068) is the most frequent cause of 46, XY disorders of sex development (DSD). However, the correlation between genotype and phenotype has not been determined. We conducted a systematic analysis of the clinical characteristics, hormone levels, ultrasonography data and histopathology of a 46, XY Chinese patient with AIS. The family was followed up for nearly 8 years. We applied whole-exome sequencing (WES) for genetic analysis of the pedigree and performed bioinformatic analysis of the identified variants. Human embryonic kidney 293T/17 (HEK293T/17) cells were transiently transfected with wild-type or mutant AR and MAP3K1 plasmid. Cell lysates were used to analyze androgen receptor (AR) production. A novel hemizygous AR variant (c.2070C>A, p. His690Glu) and a rare heterozygous MAP3K1 variant (c.778C>T, p. Arg260Cys) were identified by WES in the proband and her mother. Bioinformatic analysis predicted these two variants to be pathogenic. Multiple amino acid sequence alignments showed that p. His690 and p. Arg260 are conserved among various species. His690Glu is a mutation that decreased the AR production, whereas the Arg260Cys mutation increased the AR production. The novel compound variants of the AR and MAP3K1 genes also increased the production of AR protein. Thus, the phenotype of the patient may be caused by defects in both the AR and MAP3K1 signaling pathways. Compound variants of the AR and MAP3K1 genes resulted in a specific phenotype in this patient with AIS. WES might reveal genetic variants that explain the heterogeneity of AIS.
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Özgöz A, Mutlu İçduygu F, Yükseltürk A, ŞamlI H, Hekİmler Öztürk K, Başkan Z. Low-penetrance susceptibility variants and postmenopausal oestrogen receptor positive breast cancer. J Genet 2020. [DOI: 10.1007/s12041-019-1174-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhang Z, Jiang D, Wang C, Garzotto M, Kopp R, Wilmot B, Thuillier P, Dang A, Palma A, Farris PE, Shannon J. Polymorphisms in oxidative stress pathway genes and prostate cancer risk. Cancer Causes Control 2019; 30:1365-1375. [DOI: 10.1007/s10552-019-01242-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 10/14/2019] [Indexed: 11/24/2022]
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Fu F, Guo W, Lin Y, Zeng B, Qiu W, Huang M, Wang C. Subtype-specific associations between breast cancer risk polymorphisms and the survival of early-stage breast cancer. J Transl Med 2018; 16:270. [PMID: 30285756 PMCID: PMC6167771 DOI: 10.1186/s12967-018-1634-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 09/16/2018] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Limited evidence suggests that inherited predisposing risk variants might affect the disease outcome. In this study, we analyzed the effect of genome-wide association studies-identified breast cancer-risk single nucleotide polymorphisms on survival of early-stage breast cancer patients in a Chinese population. METHODS This retrospective study investigated the relationship between 21 GWAS-identified breast cancer-risk single nucleotide polymorphisms and the outcome of 1177 early stage breast cancer patients with a long median follow-up time of 174 months. Cox proportional hazards regression models were used to estimate the hazard ratios and their 95% confidence intervals. Primary endpoints were breast cancer special survival and overall survival while secondary endpoints were invasive disease free survival and distant disease free survival. RESULTS Multivariate survival analysis showed only the rs2046210 GA genotype significantly decreased the risk of recurrence and death for early stage breast cancer. After grouping breast cancer subtypes, significantly reduced survival was associated with the variant alleles of rs9485372 for luminal A and rs4415084 for triple negative breast cancer. Importantly, all three single-nucleotide polymorphisms, rs889312, rs4951011 and rs9485372 had remarkable effects on survival of luminal B EBC, either individually or synergistically. Furthermore, statistically significant multiplicative interactions were found between rs4415084 and age at diagnosis and between rs3803662 and tumor grade. CONCLUSIONS Our results demonstrate that breast cancer risk susceptibility loci identified by GWAS may influence the outcome of early stage breast cancer patients' depending on intrinsic tumor subtypes in Chinese women.
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Affiliation(s)
- Fangmeng Fu
- Breast Surgery Ward, Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, 350001 Fujian Province China
| | - Wenhui Guo
- Breast Surgery Ward, Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, 350001 Fujian Province China
| | - Yuxiang Lin
- Breast Surgery Ward, Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, 350001 Fujian Province China
| | - Bangwei Zeng
- Nosocomial Infection Control Branch, Fujian Medical University Union Hospital, Fuzhou, 350001 Fujian Province China
| | - Wei Qiu
- Breast Surgery Ward, Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, 350001 Fujian Province China
| | - Meng Huang
- Fujian Center for Disease Control and Prevention, Fuzhou, 350001 Fujian Province China
| | - Chuan Wang
- Breast Surgery Ward, Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, 350001 Fujian Province China
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Thanh NTN, Lan NTT, Phat PT, Giang NDT, Hue NT. Two polymorphisms, rs2046210 and rs3803662, are associated with breast cancer risk in a Vietnamese case-control cohort. Genes Genet Syst 2018; 93:101-109. [DOI: 10.1266/ggs.17-00053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Nguyen Thi Ngoc Thanh
- Department of Biology and Biotechnology, University of Science, Vietnam National University
| | - Nguyen Thi Tuyet Lan
- Department of Biotechnology, International University, Vietnam National University
| | - Phan Thanh Phat
- Department of Biology and Biotechnology, University of Science, Vietnam National University
| | | | - Nguyen Thi Hue
- Department of Biology and Biotechnology, University of Science, Vietnam National University
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Hsieh YC, Tu SH, Su CT, Cho EC, Wu CH, Hsieh MC, Lin SY, Liu YR, Hung CS, Chiou HY. A polygenic risk score for breast cancer risk in a Taiwanese population. Breast Cancer Res Treat 2017; 163:131-138. [PMID: 28205043 DOI: 10.1007/s10549-017-4144-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 02/06/2017] [Indexed: 10/20/2022]
Abstract
BACKGROUND Multiple common variants identified by genome-wide association studies showed limited evidence of the risk of breast cancer in Taiwan. In this study, we analyzed the breast cancer risk in relation to 13 individual single-nucleotide polymorphisms (SNPs) identified by a GWAS in an Asian population. METHODS In total, 446 breast cancer patients and 514 healthy controls were recruited for this case-control study. In addition, we developed a polygenic risk score (PRS) including those variants significantly associated with breast cancer risk, and also evaluated the contribution of PRS and clinical risk factors to breast cancer using receiver operating characteristic curve (AUC). RESULTS Logistic regression results showed that nine individual SNPs were significantly associated with breast cancer risk after multiple testing. Among all SNPs, six variants, namely FGFR2 (rs2981582), HCN1 (rs981782), MAP3K1 (rs889312), TOX3 (rs3803662), ZNF365 (rs10822013), and RAD51B (rs3784099), were selected to create PRS model. A dose-response association was observed between breast cancer risk and the PRS. Women in the highest quartile of PRS had a significantly increased risk compared to women in the lowest quartile (odds ratio 2.26; 95% confidence interval 1.51-3.38). The AUC for a model which contained the PRS in addition to clinical risk factors was 66.52%, whereas that for a model which with established risk factors only was 63.38%. CONCLUSIONS Our data identified a genetic risk predictor of breast cancer in Taiwanese population and suggest that risk models including PRS and clinical risk factors are useful in discriminating women at high risk of breast cancer from those at low risk.
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Affiliation(s)
- Yi-Chen Hsieh
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Shih-Hsin Tu
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, 252 Wu-Hsing St., Taipei, Taiwan.,Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan.,Breast Medical Center, Taipei Medical University Hospital, Taipei, Taiwan
| | - Chien-Tien Su
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan.,Department of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Er-Chieh Cho
- Department of Clinical Pharmacy, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Chih-Hsiung Wu
- Department of Surgery, Taipei Medical University-Shuang Ho Hospital, Taipei, Taiwan
| | - Mao-Chih Hsieh
- Department of Surgery, Taipei Medical University-Wan Fang Hospital, Taipei, Taiwan
| | - Shiyng-Yu Lin
- Department of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yun-Ru Liu
- Joint Biobank, Office of Human Research, Taipei Medical University, Taipei, Taiwan
| | - Chin-Sheng Hung
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, 252 Wu-Hsing St., Taipei, Taiwan. .,Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan. .,Breast Medical Center, Taipei Medical University Hospital, Taipei, Taiwan.
| | - Hung-Yi Chiou
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, 250 Wu-Hsing St., Taipei, Taiwan.
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Nagrani R, Mhatre S, Rajaraman P, Chatterjee N, Akbari MR, Boffetta P, Brennan P, Badwe R, Gupta S, Dikshit R. Association of Genome-Wide Association Study (GWAS) Identified SNPs and Risk of Breast Cancer in an Indian Population. Sci Rep 2017; 7:40963. [PMID: 28098224 PMCID: PMC5241870 DOI: 10.1038/srep40963] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 12/05/2016] [Indexed: 01/24/2023] Open
Abstract
To date, no studies have investigated the association of the GWAS-identified SNPs with BC risk in Indian population. We investigated the association of 30 previously reported and replicated BC susceptibility SNPs in 1,204 cases and 1,212 controls from a hospital based case-control study conducted at the Tata Memorial Hospital, Mumbai. As a measure of total susceptibility burden, the polygenic risk score (PRS) for each individual was defined by the weighted sum of genotypes from 21 independent SNPs with weights derived from previously published estimates of association odds-ratios. Logistic regression models were used to assess risk associated with individual SNPs and overall PRS, and stratified by menopausal and receptor status. A total of 11 SNPs from eight genomic regions (FGFR2, 9q31.2, MAP3K, CCND1, ZM1Z1, RAD51L11, ESR1 and UST) showed statistically significant (p-value ≤ 0.05) evidence of association, either overall or when stratified by menopausal status or hormone receptor status. BC SNPs previously identified in Caucasian population showed evidence of replication in the Indian population mainly with respect to risk of postmenopausal and hormone receptor positive BC.
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Affiliation(s)
- Rajini Nagrani
- Centre for Cancer Epidemiology, Tata Memorial Centre, Mumbai, India
| | - Sharayu Mhatre
- Centre for Cancer Epidemiology, Tata Memorial Centre, Mumbai, India
| | - Preetha Rajaraman
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Bethesda, USA
| | - Nilanjan Chatterjee
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Bethesda, USA
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, USA
- Department of Oncology, School of Medicine, Johns Hopkins University, USA
| | - Mohammad R. Akbari
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Paolo Boffetta
- Institute For Translational Epidemiology, Mount Sinai Hospital, One Gustave L.Levy Place New York, NY, USA
| | - Paul Brennan
- Genetic Epidemiology Group, International Agency for Research on Cancer, 150 Cours Albert Thomas, 69372 Lyon CEDEX, France
| | - Rajendra Badwe
- Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, India
| | - Sudeep Gupta
- Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, India
| | - Rajesh Dikshit
- Centre for Cancer Epidemiology, Tata Memorial Centre, Mumbai, India
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Chen MY, Ye JD, Yang W, Wang K. Growth, Feed Utilization and Blood Metabolic Responses to Different Amylose-amylopectin Ratio Fed Diets in Tilapia (Oreochromis niloticus). ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 26:1160-71. [PMID: 25049897 PMCID: PMC4093233 DOI: 10.5713/ajas.2013.13022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Revised: 05/09/2013] [Accepted: 04/06/2013] [Indexed: 01/18/2023]
Abstract
A feeding trial was conducted in tilapia to determine the growth performance, nutrient digestibility, digestive enzymes, and postprandial blood metabolites in response to different dietary amylose-amylopectin ratios. Five isonitrogenous and isolipidic diets containing an equal starch level with different amylose-amylopectin ratios of 0.11 (diet 1), 0.24 (diet 2), 0.47 (diet 3), 0.76 (diet 4) and 0.98 (diet 5) were formulated using high-amylose corn starch (as the amylose source) and waxy rice (as the amylopectin source). Each diet was hand-fed to six tanks of 15 fish each, three times a day over a 6-wk period. After the growth trial, a postprandial blood metabolic test was carried out. Fish fed diet 2 exhibited the highest percent weight gain and feed efficiency and protein efficiency ratio, whereas fish fed with diet 5 showed the lowest growth and feed utilization among treatments. The digestibility for starch in fish fed diet 1 and 2 was higher than those in fish fed with other diets (p<0.05). The highest activities for protease, lipase and amylase were found in fish fed the diet 2, diet 1, and diet 1 respectively among dietary treatments, while the lowest values for these indexes were observed in fish fed the diet 3, diet 5 and diet 4, respectively. The liver glycogen concentrations in fish fed diets 4 and 5 were found higher than in fish fed other diets (p<0.05). The feeding rate, hepatosomatic index, condition factor, and plasma parmeters (glucose, triglyceride, total cholesterol, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol) did not differ across treatments. In terms of postprandial blood responses, peak blood glucose and triglycerides were lower after 3 or 6 h in the fish fed with diets 3-5 than in the fish fed diet 1, but delayed peak blood total amino acid time was observed in fish fed with the diets 1 or 2. The lowest peak values for each of the three blood metabolites were observed in fish fed diet 5. The results indicate that high-dietary amylose-amylopectin ratio could compromise growth, but help in reducing the blood glucose stress on fish caused by postprandial starch load.
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Affiliation(s)
- Meng-Yao Chen
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Jimei University, Xiamen 361021, China
| | - Ji-Dan Ye
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Jimei University, Xiamen 361021, China
| | - Wei Yang
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Jimei University, Xiamen 361021, China
| | - Kun Wang
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Jimei University, Xiamen 361021, China
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