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Kulyar MFEA, Yao W, Mo Q, Ding Y, Zhang Y, Gao J, Li K, Pan H, Nawaz S, Shahzad M, Mehmood K, Iqbal M, Akhtar M, Bhutta ZA, Waqas M, Li J, Qi D. Regulatory Role of Apoptotic and Inflammasome Related Proteins and Their Possible Functional Aspect in Thiram Associated Tibial Dyschondroplasia of Poultry. Animals (Basel) 2022; 12:ani12162028. [PMID: 36009620 PMCID: PMC9404426 DOI: 10.3390/ani12162028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/18/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
Tibial dyschondroplasia debilities apoptotic and inflammasomal conditions that can further destroy chondrocytes. Inflammasomes are specialized protein complexes that process pro-inflammatory cytokines, e.g., interleukin-1β (IL-1β) and IL-18. Moreover, there is mounting evidence that many of the signaling molecules that govern programmed cell death also affect inflammasome activation in a cell-intrinsic way. During the last decade, apoptotic functions have been described for signaling molecules involving inflammatory responses and cell death pathways. Considering these exceptional developments in the knowledge of processes, this review gives a glimpse of the significance of these two pathways and their connected proteins in tibial dyschondroplasia. The current review deeply elaborates on the elevated level of signaling mediators of mitochondrial-mediated apoptosis and the inflammasome. Although investigating these pathways’ mechanisms has made significant progress, this review identifies areas where more study is especially required. It might lead to developing innovative therapeutics for tibial dyschondroplasia and other associated bone disorders, e.g., osteoporosis and osteoarthritis, where apoptosis and inflammasome are the significant pathways.
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Affiliation(s)
- Muhammad Fakhar-e-Alam Kulyar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Wangyuan Yao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Quan Mo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Yanmei Ding
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Yan Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Jindong Gao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Kewei Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Huachun Pan
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Shah Nawaz
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Muhammad Shahzad
- Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Khalid Mehmood
- Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Mudassar Iqbal
- Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Muhammad Akhtar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Zeeshan Ahmad Bhutta
- College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Muhammad Waqas
- Faculty of Veterinary & Animal Sciences, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Linzhi 860000, China
- Correspondence: (J.L.); (D.Q.)
| | - Desheng Qi
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Correspondence: (J.L.); (D.Q.)
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Huang S, Zhang C, Xu T, Shaukat A, He Y, Chen P, Lin L, Yue K, Cao Q, Tong X. Integrated Fecal Microbiome and Metabolomics Reveals a Novel Potential Biomarker for Predicting Tibial Dyschondroplasia in Chickens. Front Physiol 2022; 13:887207. [PMID: 35634144 PMCID: PMC9133743 DOI: 10.3389/fphys.2022.887207] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/19/2022] [Indexed: 12/12/2022] Open
Abstract
Tibial dyschondroplasia (TD) is a metabolic tibial-tarsal disorder occurring in fast-growing poultry, and its diagnosis is mainly based on an invasive method. Here, we profiled the fecal gut microbiome and metabolome of broilers with and without TD to identify potential non-invasive and non-stress biomarkers of TD. First, TD broilers with the most pronounced clinical signs during the experiment were screened and faecal samples were collected for integrated microbiome and metabolomics analysis. Moreover, the diagnostic potential of identified biomarkers was further validated throughout the experiment. It was noted that the microbial and metabolic signatures of TD broilers differed from those of normal broilers. TD broilers were characterized by enriched bacterial OTUs of the genus Klebsiella, and depleted genera [Ruminococcus], Dorea, Ruminococcus, Oscillospira, Ochrobactrum, and Sediminibacterium. In addition, a total of 189 fecal differential metabolites were identified, mainly enriched in the purine, vitamin and amino acid metabolism, which were closely associated with differential microbiota and tibia-related indicators. Furthermore, three fecal metabolites were screened, including 4-hydroxybenzaldehyde, which distinguished TD from normal broilers with extremely high specificity and was superior to serum bone markers. These results indicated that gut microbiota equilibrium might influence the pathogenesis of TD by modulating host metabolism, and the identified fecal metabolite 4-hydroxybenzaldehyde might be a potential and non-invasive biomarker for predicting TD in chickens.
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Affiliation(s)
- Shucheng Huang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
- *Correspondence: Shucheng Huang,
| | - Chaodong Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Tingting Xu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Aftab Shaukat
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan, China
| | - Yanfeng He
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Pan Chen
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Luxi Lin
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Ke Yue
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Qinqin Cao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Xishuai Tong
- Institutes of Agricultural Science and Technology Development (Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China)/College of Veterinary Medicine, Yangzhou University, Yangzhou, China
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3
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Phibbs DV, Groves PJ, Muir WI. Leg health of meat chickens: impact on welfare, consumer behaviour, and the role of environmental enrichment. ANIMAL PRODUCTION SCIENCE 2021. [DOI: 10.1071/an19511] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The Australian and global chicken meat industries have benefited from rapid improvements in the efficiency of chicken meat production that have been predominantly achieved through genetic selection, optimisation of bird nutrition and improved bird health. However, this has also resulted in morphological changes in the bird with an increase in the prevalence of leg health disorders. Compromised leg health can cause pain and lameness and bodes poorly for bird wellbeing, bird mortality, and economic returns. There are also implications for the consumer who is increasingly mindful of animal welfare and is demanding more welfare friendly products. Accurate on-farm assessment of bird leg health has challenges due to the diversity of leg disorders and the variety of techniques used to assess their severity and impact. Overall prevalence of leg disorders shows great variability between properties (farms) and flocks. Opportunities to improve bird leg health have been the focus of considerable research which has frequently included an evaluation of environmental enrichment as a means to reduce lameness and improve bird mobility. To this end, currently in Australia, 78% of chicken meat is produced under the conditions of the Australian RSPCA Approved Farming Scheme, which requires perches in the birds’ environment. However, the value of perches in providing enrichment and improving bird welfare is unclear. Therefore, this review explores animal welfare and consumer attitudes towards meat chicken welfare, describes leg disorders, outlines techniques for assessing leg health and discusses opportunities to enrich the birds’ environment to improve bird mobility and leg health.
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Singh M, Lim AJ, Muir WI, Groves PJ. Comparison of performance and carcass composition of a novel slow-growing crossbred broiler with fast-growing broiler for chicken meat in Australia. Poult Sci 2020; 100:100966. [PMID: 33652532 PMCID: PMC7936175 DOI: 10.1016/j.psj.2020.12.063] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/17/2020] [Accepted: 12/21/2020] [Indexed: 11/13/2022] Open
Abstract
Slow-growing broilers offer differentiation in the chicken meat market for consumers who have distinct preferences based on perceived higher welfare indices and willingness to pay a higher price for the product. Although breeding for slow-growing broilers is relatively advanced in Europe and the United States, it is limited in Australia. Crossbreeding is one of the approaches taken to developing slow-growing broiler strains. Thus, the aim of this study was to compare performance, immune response, leg health, carcass characteristics, and meat quality of a novel crossbred slow-growing broiler breed (SGB) with the conventional, fast-growing Cobb 500 broiler (CB) to assess their suitability as an alternative for chicken meat production in Australia. A total of 236 one-day-old broiler chicks (116 SGB and 120 fast-growing CB) were reared on standard commercial diet in an intensive production system. Birds and feed were weighed on a weekly basis and feed intake and feed conversion ratio calculated. At 21 d of age, a 2% suspension of sheep red blood cells was injected subcutaneously into 8 broilers of each breed to compare their antibody response. Birds from both breeds were grown to a final live weight of 2.0–2.2 kg, before a latency-to-lie (LTL) test, carcass analysis and apparent metabolizable energy (AME) assay were performed. The SGB reached the target weight at 55 d of age compared with 32 d in CB. However, SGB stood for longer during LTL, had higher thigh, drumstick, and wing yields (as a percentage of carcass weight) as well as darker and redder meat in comparison with the CB. The CB had better feed conversion efficiency, higher antibody (IgM) production, higher AME, heavier breast yield, and lower meat drip loss than the SGB. Although fast-growing CB outperformed the SGB for traditional performance parameters, the crossbred in this study was comparable with other slow-growing broiler breeds and strains across different countries and is thus a suitable candidate for a slow-growing alternative in Australia.
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Affiliation(s)
- M Singh
- Sydney School of Veterinary Science, The University of Sydney, Camden, NSW 2570, Australia.
| | - A J Lim
- School of Life and Environmental Science, The University of Sydney, Camden, NSW 2570, Australia
| | - W I Muir
- School of Life and Environmental Science, The University of Sydney, Camden, NSW 2570, Australia
| | - P J Groves
- Sydney School of Veterinary Science, The University of Sydney, Camden, NSW 2570, Australia; Birling Avian Laboratories, Bringelly, NSW 2556, Australia
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5
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Huang S, Kong A, Cao Q, Tong Z, Wang X. The role of blood vessels in broiler chickens with tibial dyschondroplasia. Poult Sci 2020; 98:6527-6532. [PMID: 31433842 PMCID: PMC8913930 DOI: 10.3382/ps/pez497] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/07/2019] [Indexed: 12/11/2022] Open
Abstract
Tibial dyschondroplasia (TD) is an intractable tibiotarsal bone disorder of rapid growing avian species, which leads to huge economic losses and compromised poultry welfare. However, the exact pathogenesis and treatment of TD remain largely unknown. Based on continuous research findings, we propose the TD pathogenesis hypothesis: during skeletal development of TD chickens, due to the absence of vasculature of proximal tibial growth plates (TGP), hypertrophic chondrocytes of the TGP are unable to complete calcification in normal bone development and less dead chondrocytes in the corresponding area can be timely transported through the blood vessels. Moreover, recent studies demonstrate that the TD formation mechanism gradually tends to a large number of dead chondrocytes in the TGP region or apoptosis occur due to various factors (such as, reduction of vascular invasion and blood cells, and increased weight or mechanical force of the tibia), while the reduction of blood vessels is insufficient to remove these chondrocytes and eventually leads to the TD formation. Recognizing the possible role of the blood vessels in the incidence of TD and can propose that the improvement in vasculature might be a novel therapeutic approach for ending TD in chickens.
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Affiliation(s)
- Shucheng Huang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
| | - Anan Kong
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
| | - Qinqin Cao
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
| | - Zongxi Tong
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
| | - Xuebing Wang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
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6
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Jiang X, Li A, Wang Y, Iqbal M, Waqas M, Yang H, Li Z, Mehmood K, Qamar H, Li J. Ameliorative effect of naringin against thiram-induced tibial dyschondroplasia in broiler chicken. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:11337-11348. [PMID: 31960246 DOI: 10.1007/s11356-020-07732-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 01/12/2020] [Indexed: 06/10/2023]
Abstract
Tetramethyl thiuram disulfide (thiram) is widely used in agricultural production as an insecticide and fungicide, which can also lead to tibial dyschondroplasia (TD) in poultry. TD is characterized by leg disorders and growth performance retardation, and no targeted drugs have been found to treat TD until now. Therefore, the objective of the present study was to explore the ameliorative effect of traditional Chinese medicine naringin on thiram-induced TD chickens. A total of 180 one-day-old Arbor Acres (AA) broiler chickens were randomly divided into three equal groups (n = 60): control group (standard diet), thiram-induced group (thiram 50 mg/kg from day 3 to day 7), and naringin-treated group (naringin 30 mg/kg from day 8 to day 18). During the 18-day experiment, the growth performance, tibial bone parameters, antioxidant property of liver, serum biochemical changes and clinical symptoms were recorded to evaluate the protective effect of naringin in thiram-induced TD broiler chickens. Additionally, mRNA expressions and protein levels of Ihh and PTHrP genes were determined via quantitative real-time polymerase chain reaction and western blot. Administration of naringin showed significant results by alleviating lameness, increased growth performance, recuperated growth plate (GP) width, and improved functions and antioxidant enzyme level of liver in broilers affected by TD. Moreover, naringin treatment restored the development of damaged tibia bone via downregulating Ihh and upregulating PTHrP mRNA and protein expressions. In conclusion, our study determines naringin could be used as an effective medicine to treat TD.
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Affiliation(s)
- Xiong Jiang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
- Hubei Three Gorges Polytechnic, Yichang, 443000, Hubei province, People's Republic of China
| | - Aoyun Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Yaping Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Mudassar Iqbal
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
- University College of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Waqas
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
- Faculty of Veterinary & Animal Sciences, University of the Poonch, District Poonch, Rawalakot, Azad Jammu & Kashmir, 12350, Pakistan
| | - Hao Yang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Zhixing Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Khalid Mehmood
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
- University College of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Hammad Qamar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
- College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Linzhi, 860000, Tibet, People's Republic of China.
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7
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Hopcroft RL, Groves PJ, Muir WI. Changes to Cobb 500 chick characteristics, bone ash, and residual yolk mineral reserves during time spent in the hatcher. Poult Sci 2020; 99:2176-2184. [PMID: 32241503 PMCID: PMC7587620 DOI: 10.1016/j.psj.2019.11.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 11/07/2019] [Accepted: 11/10/2019] [Indexed: 12/04/2022] Open
Abstract
Previous work has identified an effect of hatch time on chick femur mineralization. This experiment assessed the impact of hatch time and a 24-h post-hatch unfed time period on chick bone mineralization and yolk mineral utilization. In early hatching chicks, yolk Mg, Zn, K, P, Fe, and Cu decreased by 40 to 50% over the 24-h post-hatch unfed time period, whereas yolk Ca and Na decreased by 25 to 40% (P = 0.026). Yolk Sr was intermediate, decreasing by 37%. Late hatching chicks which had been hatched for no more than 30 h had a higher femur bone ash percentage compared to early hatching chicks which had spent over a 30-hour sojourn unfed in the incubator (P = 0.013). These results indicate that removing chicks from the incubator within 30 h of their hatch is likely to benefit their femoral mineralization.
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Affiliation(s)
- R L Hopcroft
- Sydney School of Veterinary Science, Poultry Research Foundation, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia.
| | - P J Groves
- Sydney School of Veterinary Science, Poultry Research Foundation, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia
| | - W I Muir
- School of Life and Environmental Sciences, Poultry Research Foundation, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia
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8
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The leg strength of two commercial strains of meat chicken subjected to different incubation profiles. Animal 2019; 13:1489-1497. [DOI: 10.1017/s1751731118002999] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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9
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Huang S, Rehman MU, Qiu G, Luo H, Iqbal MK, Zhang H, Mehmood K, Li J. Tibial dyschondroplasia is closely related to suppression of expression of hypoxia-inducible factors 1α, 2α, and 3α in chickens. J Vet Sci 2018; 19:107-115. [PMID: 28693310 PMCID: PMC5799387 DOI: 10.4142/jvs.2018.19.1.107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/04/2017] [Accepted: 05/05/2017] [Indexed: 12/19/2022] Open
Abstract
Tibial dyschondroplasia (TD) cases has not been reported in Tibetan chickens (TBCs), but it is commonly seen in commercial broilers characterized by lameness. The underlying mechanism remains unclear. Hypoxia-inducible factors (HIFs) are important regulators of cellular adaptation to hypoxic conditions. In this study, we investigated the role of HIF-1α, -2α, and -3α in hypoxia and thiram-induced TD and their effect on tibial growth plate development in Arbor Acres chickens (AACs) and TBCs. RNA and protein expression levels of HIF-1α, -2α, and -3α were determined by using quantitative reverse transcriptase polymerase chain reaction and western blotting analyses, respectively. Interestingly, the results showed that HIF-1α, -2α, and -3α expressions in the tibial growth plate of TBCs were upregulated by hypoxia and the change was more significant in TBCs than in AACs. However, these factors were downregulated in thiram-induced TD. To further clarify the effect of thiram on tibial growth plate in commercial broilers, AACs were observed to exhibit more pronounced changes in their growth plate that that in TBCs. Taken together, these results demonstrate that HIF-1α, -2α, and -3α may be important in tibial growth plate development and in the prevention of TD. The present study contributes novel insights on a therapeutic target for poultry TD.
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Affiliation(s)
- Shucheng Huang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Mujeeb U Rehman
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Gang Qiu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.,Laboratory of Detection and Monitoring of Highland Animal Disease, Tibet Agriculture and Animal Husbandry College, Linzhi 860000, Tibet, China
| | - Houqiang Luo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.,Animal Science Department, Wenzhou Vocational College of Science and Technology, Wenzhou 325006, China
| | - Muhammad K Iqbal
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Hui Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Khalid Mehmood
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.,Laboratory of Detection and Monitoring of Highland Animal Disease, Tibet Agriculture and Animal Husbandry College, Linzhi 860000, Tibet, China
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10
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Huang S, Wang M, Rehman MU, Zhang L, Tong X, Shen Y, Li J. Role of Angiopoietin-like 4 on Bone Vascularization in Chickens Exposed to High-altitude Hypoxia. J Comp Pathol 2018; 161:25-33. [PMID: 30173855 DOI: 10.1016/j.jcpa.2018.04.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/24/2018] [Accepted: 04/30/2018] [Indexed: 12/20/2022]
Abstract
The aim of this study was to investigate the role and expression of a novel angiogenic factor (angiopoietin-like 4, ANGPTL4) in tibial growth plates of broiler chickens exposed to high-altitude hypoxia. One-day-old healthy broiler chickens (n = 120) were transported from lowland to a high-altitude hypoxic region (nearly 3,000 m above sea level) and were reared under hypoxic- (natural lower oxygen content) and normoxic conditions (nearly 21% oxygen content) for 14 days. The effect of hypoxia on angiogenesis in the tibial growth plates and hypoxia-inducible factor (HIF)-1α and ANGPTL4 expressions were determined by histological examination, quantitative reverse transcriptase polymerase chain reaction (qRT-PCR), western blot and enzyme-linked immunosorbent assay (ELISA) techniques. The increase in vascular distribution to the hypertrophic chondrocyte zone of tibial growth plates contributed to promoting growth and development of the tibia under hypoxic conditions, which was highly correlated with the upregulation of ANGPTL4 at both the mRNA and protein levels together with activation of HIF-1α under hypoxic conditions. These findings demonstrate that angiogenic factor ANGPTL4 upregulation is involved in tibial growth plate angiogenesis to promote the development of the tibia in broiler chickens under hypoxic conditions. They also suggest that ANGPTL4 may serve as a new molecular therapeutic target for ameliorating tibial dyschondroplasia chicken bone vascularization.
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Affiliation(s)
- S Huang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - M Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - M U Rehman
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - L Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - X Tong
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Y Shen
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China.
| | - J Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People's Republic of China; Laboratory of Detection and Monitoring of Highland Animal Disease, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet, People's Republic of China.
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11
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Role and regulation of growth plate vascularization during coupling with osteogenesis in tibial dyschondroplasia of chickens. Sci Rep 2018; 8:3680. [PMID: 29487404 PMCID: PMC5829164 DOI: 10.1038/s41598-018-22109-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 02/13/2018] [Indexed: 12/20/2022] Open
Abstract
Tibial dyschondroplasia (TD) is the most-prevalent leg disorder in fast-growing chickens; it is intractable and characterized by abnormal endochondral bone formation of proximal tibial growth-plates (TGPs). Previous studies have shown that bone is a highly vascularized tissue dependent on the coordinated coupling between angiogenesis and osteogenesis, but the underlying mechanisms of bone formation and bone remodeling are poorly defined in TD chickens. Here, we observed that inhibition of vasculogenesis and angiogenesis remarkably impaired vascular invasion in the hypertrophic chondrocyte zone of the TGPs, resulting in the massive death of chondrocytes due to a shortage of blood vessels and nutrients. Moreover, the balance of the OPG (osteoprotegerin)/RANKL (receptor activator of nuclear factor-kB ligand) system is also severely disrupted during the osteogenesis process while coupling with angiogenesis, both of which eventually lead to abnormal endochondral bone formation in TD chickens. Thus, the process of vascular formation in endochondral bone appears to initiate the pathological changes in TD, and improvement of this process during coupling with osteogenesis may be a potential therapeutic approach to treat this intractable disease.
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12
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Incubation and hatch management: consequences for bone mineralization in Cobb 500 meat chickens. Animal 2017; 12:794-801. [PMID: 28786375 DOI: 10.1017/s1751731117001938] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
From ~35 days of age fast growing meat chickens spend extended periods sitting or lying and less time standing. In a fast-feathering parent line lower early incubation temperatures which delayed chick hatch time, improved bone ash and extended their standing time. This incubation study assessed the consequences of incubation temperatures, hatch time and chick management at hatch/take off on femoral bone ash (BA) in Cobb 500 meat chickens. Embryos were incubated under either Control (between 37.8°C and 38.2°C egg shell temperature (EST)) or a Slow start (from 37.2°C at sett (the start of incubation), reaching 37.8°C EST at day 13 incubation), temperatures. Hatched chicks were identified at 492 h (20.5 days of incubation - classified as early (E)) or, between >492 and ⩽516 h (>20.5 and ⩽21.5 days of incubation - classified as late (L)), from setting. The E hatch chicks were allocated across three post-hatch treatments; treatment 1: E hatch chicks that were sampled E at 492 h from setting; treatment 2: E hatch chicks that were fed for a further 24 h in a floorpen before being sampled L at 516 h from setting; treatment 3: E hatch chicks that spent a further 24 h in the incubator before being sampled L at 516 h from setting. All L hatch chicks formed one treatment group which was sampled L at 516 h (i.e. L hatch chicks sampled L). It is not possible to sample L hatching chicks E hence this treatment is absent from the experimental design. Slow start incubation resulted in a higher total hatch percentage with a greater proportion of chicks hatching L, compared with the Control incubation. The L hatching chicks had significantly higher BA than the E hatching chicks. Of the E hatching chicks, those sampled both E and L had significantly lower BA than E hatching chicks fed for 24 h before L sampling. The E hatch, fed and sampled L chicks had the numerically highest BA, which was not significantly different from the BA of the L hatching chicks sampled L These results demonstrate that BA at hatch can be improved, either by extending the incubation period through a Slow start incubation profile, inducing L hatch, or alternatively, via the prompt provision of feed to E hatching chicks.
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