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Microglia lactylation in relation to central nervous system diseases

Neural Regeneration Research 2025年第1期20卷 29-40页

作者： Hui Yang Nan Mo Le Tong Jianhong Dong Ziwei Fan Mengxian Jia Juanqing Yue Ying Wang School of Pharmacy Hangzhou Normal UniversityHangzhouZhejiang ProvinceChina Department of clinical laboratory The Fourth Clinical Medical College of Zhejiang University of Traditional Chinese Medicine(Hangzhou First People’s Hospital)HangzhouZhejiang ProvinceChina College of Medical Veterinary and Life SciencesUniversity of GlasgowGlasgowUK Department of Orthopedics(Spine Surgery) the First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang ProvinceChina Department of Pathology Affiliated Hangzhou First People’s HospitalWestlake University School of MedicineHangzhouZhejiang ProvinceChina Department of clinical Research Center Affiliated Hangzhou First People’s HospitalWestlake University School of MedicineHangzhouZhejiang ProvinceChina

The development of neurodegenerative diseases is closely related to the disruption of central nervous system ***,as innate immune cells,play important roles in the maintenance of central nervous system homeostasis,injury response,and neurodegenerative *** has been considered a metabolic waste product,but recent studies are revealing ever more of the physiological functions of *** is an important pathway in lactate function and is involved in glycolysis-related functions,macrophage polarization,neuromodulation,and angiogenesis and has also been implicated in the development of various *** review provides an overview of the lactate metabolic and homeostatic regulatory processes involved in microglia lactylation,histone versus non-histone lactylation,and therapeutic approaches targeting ***,we summarize the current research on microglia lactylation in central nervous system diseases.A deeper understanding of the metabolic regulatory mechanisms of microglia lactylation will provide more options for the treatment of central nervous system diseases.

关键词： brain central nervous system glycolysis immune response inflammation lactate metabolism lactate lactylation microglia neurodegenerative diseases

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Enterogenic Stenotrophomonas maltophilia migrates to the mammary gland to induce mastitis by activating the calcium-ROS-AMPK-mTOR-autophagy pathway

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Journal of Animal Science and Biotechnology 2024年第1期15卷 236-252页

作者： Zhaoqi He Caijun Zhao Yuhong He Zhuoyu Liu Guyue Fan Kun Zhu Yiqi Wang Naisheng Zhang Yunhe Fu Xiaoyu Hu Department of clinical veterinary medicine College of Veterinary MedicineJilin UniversityChangchun 130062Jilin ProvinceChina

Background Mastitis is an inflammatory disease of the mammary gland that has serious economic impacts on the dairy industry and endangers food *** previous study found that the body has a gut/rumen-mammary gland axis and that disturbance of the gut/rumen microbiota could result in‘gastroenterogenic mastitis'.However,the mechanism has not been fully ***,we found that long-term feeding of a high-concentrate diet induced mastitis in dairy cows,and the abundance of Stenotrophomonas maltophilia(***)was significantly increased in both the rumen and milk ***,we hypothesized that‘gastroenterogenic mastitis'can be induced by the migration of endogenous gut bacteria to the mammary ***,this study investigated the mechanism by which enterogenic *** induces *** First,*** was labelled with superfolder GFP and administered to mice via *** results showed that treatment with *** promoted the occurrence of mastitis and increased the permeability of the blood-milk barrier,leading to intestinal inflammation and intestinal ***,tracking of ingested *** revealed that *** could migrate from the gut to the mammary gland and induce ***,mammary gland transcriptome analysis showed that the calcium and AMPK signalling pathways were significantly upregulated in mice treated with ***,using mouse mammary epithelial cells(MMECs),we verified that *** induces mastitis through activation of the calcium-ROS-AMPK-mTOR-autophagy *** In conclusion,the results showed that enterogenic *** could migrate from the gut to the mammary gland via the gut-mammary axis and activate the calcium-ROS-AMPK-mTOR-autophagy pathway to induce *** the gut-mammary gland axis may also be an effective method to treat mastitis.

关键词： Calcium-ROS-AMPK-mTOR-autophagy pathway Gut-mammary axis Mastitis S.maltophilia

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A survey of biochemical and acute phase proteins changes in sheep experimentally infected with Anaplasma ovis

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Asian Pacific Journal of Tropical Biomedicine 2018年第12期8卷 565-570页

作者： Zohreh Khaki Seyedeh Parastoo Yasini Seyedeh Missagh Jalali Department of clinical Pathology Faculty of Veterinary MedicineUniversity of Tehran Department of clinical Sciences Faculty of Veterinary MedicineIslamic Azad University Department of clinical Sciences Faculty of Veterinary MedicineShahid Chamran University of Ahvaz

Objective: To determine the biochemical and acute phase proteins changes in sheep experimentally infected with Anaplasma ovis(A. ovis). Methods: One Iranian sheep naturally infected with A. ovis(parasitemia 0.02%) but with no other blood parasites based on blood smear and polymerase chain reaction methods was selected as donor, and it was splenectomized to induce high level of parasitemia. Then, three weeks after splenectomy when parasitemia was 6%, donor's blood was intravenously administered to each recipient animal. Five 5-6 months old Iranian male sheep without any blood parasites were selected as recipient animals. The percent of parasites, packed cell volume, serum biochemical parameters(urea, creatinine, bilirubin, aspartate aminotransferase activity, cholesterol, total protein, albumin, globulin, Fe), acute phase proteins(haptoglobin, total iron binding capacity, fibrinogen), were evaluated in sheep before and after being experimentally infected with A. ovis(until day 38). In addition, body weights of sheep were measured on days 0, 20 and 38. Results: In recipient sheep, microscopic examination of erythrocytes revealed a significant rise of parasitemia on days 12 and 15. The lowest level of packed cell volume in sheep was seen on day 15 post infection. A significant rise existed in mean urea and bilirubin(total, direct and indirect) on days 15 and 20. The increase of indirect bilirubin level was higher than direct bilirubin. Furthermore, serum Fe significantly increased on days 20 and 23. The mean total protein concentration significantly increased on day 38. A significant increase was found in the serum globulin concentration from days 20 and 27 to 38. Maximum values of haptoglobin were observed on days 27 and 30. Moreover, aspartate aminotransferase activity(from days 20-30) and cholesterol concentration(on day 20) significantly decreased. However, no significant changes were found in other parameters. Conclusions: Experimental ovine anaplasmosis caused by

关键词： Anaplasma ovis Acute phase protein Sheep Biochemical Iran

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Changing dietary n-6:n-3 ratio using different oil sources affects performance,behavior,cytokines mRNA expression and meat fatty acid profile of broiler chickens

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Animal Nutrition 2018年第1期4卷 -页

作者： Doaa Ibrahim Rania El-Sayed Safaa I.Khater Enas N.Said Shefaa A.M.El-Mandrawy Department of Nutrition and clinical Nutrition Faculty of Veterinary MedicineZagazig University Department of Biochemistry Faculty of Veterinary MedicineZagazig University Department of veterinary Public Health Faculty of Veterinary MedicineZagazig University Department of clinical Pathology Faculty of Veterinary MedicineZagazig University

Typical formulated broiler diets are deficient in n-3 poly-unsaturated fatty acids(PUFA) due to widening n-6:n-3 PUFA ratio which could greatly affect performance,immune system of birds and,more importantly,meat *** study was conducted to evaluate the effect of modifying dietary n-6:n-3 PUFA ratio from plant and animal oil sources on performance,behavior,cytokine m RNA expression,antioxidative status and meat fatty acid profile of broiler ***(n=420) were fed 7 diets enriched with different dietary oil sources and ratios as follows: sunflower oil in control diet(C); fish oil(FO); 1:1 ratio of sunflower oil to FO(C1 FO1); 3:1 ratio of sunflower oil to fish oil(C3 FO1); linseed oil(LO); 1:1 ratio of sunflower oil to linseed oil(C1 LO1); 3:1 ratio of sunflower oil to linseed oil(C3 LO1),resulting in dietary n-6:n-3 ratios of approximately 40:1,1.5:1,4:1,8:1,1:1,2.5:1 and 5:1,*** best final body weight,feed conversion ratio as well as protein efficiency ratio of broilers were recorded in the C1 FO1 and C1 LO1 *** with the control group,the dressing percentage and breast and thigh yield were highest in the C1 FO1 and C1 LO1 *** the dietary n-6:n-3 ratio increased(P < 0.05) n-3 PUFA content of breast ***,the breast meat contents of eicosapentaenoic acid and docosahexaenoic acid increased(P < 0.05) with increasing dietary FO whereas a-linolenic acid content was higher with LO ***,enriching the diets with n-3 PUFA from FO and LO clearly decreased(P < 0.05) serum total cholesterol,triglycerides and very low-density lipoproteins and enhanced antioxidative *** feeding frequency was decreased(P < 0.05) in the C1 FO1 and C1 LO1 ***,n-3 PUFA-enriched diets enhanced the frequency of preening,wing flapping and *** oil source addition,compared to plant oil,to broiler diets enhanced the relative m RNA expression of interferon gamma,interleukin-1 beta,interleukin-2 and

关键词： Broiler n-6:n-3 PUFA ratio Performance Antioxidant status Meat Immunity

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Clinicobiochemical investigations of gangrenous mastitis in does:immunological responses and oxidative stress biomarkers

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2013年第1期14卷 33-39页

作者： Wael M.EL-DEEB Department of clinical Studies College of Veterinary Medicine and Animal ResourcesKing Faisal University Department of veterinary medicine Infectious Diseases and Fish DiseasesFaculty of Veterinary MedicineMansoura University

A total of 50 does were used to determine selected hematological and biochemical parameters with special references to oxidative stress markers, acute phase protein profiles, and proinflammatory cytokines in healthy and gangrenous mastitis affected does. Animals were divided into two equal groups represented as clinically healthy （control） and diseased groups, respectively. The bacteriological examination of milk samples from diseased does revealed many types of bacterial infection. The isolated bacteria were Staphy/ococcus aureus （N=23/25）, Escherichia coil （N=11/25）, and Clostridium perfringens （N=4/25）. There was a significant increase in the levels of β-hydrexybutyrate, non-esterified free fatty acids, triglyceride, low density lipoprotein cholesterol （LDL-C）, aspartate aminotransferase, and alanine aminotransferase and a significant reduction in the levels of glucose, cholesterol, and high density lipoprotein cholesterol （HDL-C） in does with gangrenous mastitis compared to healthy does. Moreover, there was a significant increase in the levels of malondialdehyde and uric acid with a significant decrease in the levels of reduced glutathione, super oxide dismutase, and catalase in does with gangrenous mastitis compared to healthy does. In addition, there was a significant increase in the haptoglobin, serum amyloid A, fibrinogen, interleukin 6 （IL-6）, IL-1β, and tumor necrosis factor-a （TNF-a） in does with gangrenous mastitis compared to healthy ones. Conclusively, oxidative stress biomarkers, acute phase proteins, and proinflammatory cytokines play an essential task as biomarkers for gangrenous mastitis in does. Mastitis may be considered as one of the ketotic stressors in does after parturition.

关键词： Haptoglobin Serum amyloid A Malondialdehyde Interleukin 1β Interleukin 6 Tumor necrosis factor-a

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Metabolism of energy substrates of in vitro and in vivo derived embryos from ewes synchronized and super ovulated with norgestomet and porcine follicle stimulating hormone

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Journal of Animal Science and Biotechnology 2013年第1期4卷 58-64页

作者： Ahmad Azizi-Moghadam Department of clinical Sciences College of Veterinary Medicine University of Zabol

The synchronization and ovulatory responses of Sangsari cross bred ewes and metabolism of energy substrates in 8-cell stage embryos to hatched blastocysts stage produced in vitro or in vivo were investigated. Ewes were assigned randomly to receive 37.5 IU of porcine follicle stimulating hormone （FSH-P） daily for the 3 days preceding implant removal （Day 0）. Synchronization of estrus was carried out using a 1.5 mg norgestomet （Crestar） ear implant for ] 2 days. Ewes in estrus were mated two to three times with rams of proven fertility. At the time of first mating each ewe was administered 1000 IU of human chorionic gonadotrophin （hCG） to induce ovulation. Surgical embryo recovery was performed on Days 4 and 6 after onset of estrus （Day 0） and recovered embryos were subjected to comparative metabolism studies with in vitro derived embryos at the same stage of development. The number of corpora lutea （CL）, unovulated follicles and overall ovarian activity were recorded for each ewe during the breeding and non-breeding seasons. While the pattern of oxidation was similar among in vitro and in vivo derived embryos, a low pyruvate to lactate ratio was the preferred substrate of embryos derived in vitro. A high level of production of C02 and lactate resulted from a stress response to the suboptimal culture environment. The first marked increase in the metabolism of glucose by ovine embryos was detected in compact morula stage, but there was no significant increase in the oxidation of glucose after the morula stage. Two different concentrations of glucose were compared, but this did not affect metabolism. However, the rate of incorporation and metabolism of glucose tended to be higher at the 0.56 mmol/L glucose dosage.

关键词： Crestar Glucose Lactate Metabolism Norgestomet Pyruvate

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KDM2B promotes cell viability by enhancing DNA damage response in canine hemangiosarcoma

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Journal of Genetics and Genomics 2021年第7期48卷 618-630页

作者： Kevin Christian Montecillo Gulay Keisuke Aoshima Yuki Shibata Hironobu Yasui Qin Yan Atsushi Kobayashi Takashi Kimura laboratory of Comparative Pathology Department of Clinical SciencesFaculty of Veterinary MedicineHokkaido UniversitySapporoHokkaido 060-0818 Japan laboratory of Radiation Biology Department of Applied Veterinary SciencesFaculty of Veterinary MedicineHokkaido UniversitySapporoHokkaido 060-0818 Japan Department of Pathology Yale School of MedicineNew HavenCT 06510USA

Epigenetic regulators have been implicated in tumorigenesis of many types of cancer;however,their roles in endothelial cell cancers such as canine hemangiosarcoma(HSA)have not been *** this study,we find that lysine-specific demethylase 2 b(KDM2 B)is highly expressed in HSA cell lines compared with normal canine endothelial *** of KDM2 B in HSA cells results in increased cell death in vitro compared with the scramble control by inducing apoptosis through the inactivation of the DNA repair pathways and accumulation of DNA ***,doxycycline-induced KDM2 B silencing in tumor xenografts results in decreased tumor sizes compared with the ***,KDM2 B is also highly expressed in clinical cases of *** hypothesize that pharmacological KDM2 B inhibition can also induce HSA cell death and can be used as an alternative treatment for *** treat HSA cells with GSK-J4,a histone demethylase inhibitor,and find that GSK-J4 treatment also induces apoptosis and cell *** addition,GSK-J4 treatment decreases tumor ***,we demonstrate that KDM2 B acts as an oncogene in HSA by enhancing the DNA damage ***,we show that histone demethylase inhibitor GSK-J4 can be used as a therapeutic alternative to doxorubicin for HSA treatment.

关键词： DNA repair Epigenetics Hemangiosarcoma KDM2B Oncogene

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A Tiny RNA Molecule with a Big Impact on Type 2 Diabetes Mellitus Susceptibility

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Biomedical and Environmental Sciences 2017年第11期30卷 855-861页

作者： ZHUANG Guo Qing WANG You Xin College of Animal Science and veterinary medicine Henan Agricultural University Beijing Key laboratory of clinical Epidemiology School of Public Health Capital Medical University

Biological molecules could be used as risk assessment tools for predicting incident Type 2Diabetes Mellitas（T2DM）,such as microR NAs（mi RNAs）.Numerous studies have shown association between miR NA and susceptibility of T2DM,suggesting that mi RNAs might be common biological factors for ***,miR NAs could also serve as novel biomarkers for T2DM epidemiology

关键词： A Tiny RNA Molecule a Big Impact on Type 2 Diabetes Mellitus Susceptibility

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Aldehyde dehydrogenase activity helps identify a subpopulation of murine adipose-derived stem cells with enhanced adipogenic and osteogenic differentiation potential

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World Journal of Stem Cells 2017年第10期9卷 179-186页

作者： Harumichi Itoh Shimpei Nishikawa Tomoya Haraguchi Yu Arikawa Shotaro Eto Masato Hiyama Toshie Iseri Yoshiki Itoh Munekazu Nakaichi Yusuke Sakai Kenji Tani Yasuho Taura Kazuhito Itamoto Department of Small Animal clinical Science Joint Faculty of Veterinary Medicine Yamaguchi University Department of veterinary Surgery Joint Faculty of Veterinary Medicine Yamaguchi University Department of veterinary Radiology Joint Faculty of Veterinary Medicine Yamaguchi University Department of veterinary Pathology Joint Faculty of Veterinary Medicine Yamaguchi University

AIMTo identify and characterize functionally distinct subpopulation of adipose-derived stem cells (ADSCs). METHODSADSCs cultured from mouse subcutaneous adipose tissue were sorted fluorescence-activated cell sorter based on aldehyde dehydrogenase (ALDH) activity, a widely used stem cell marker. Differentiation potentials were analyzed by utilizing immunocytofluorescece and its quantitative analysis. RESULTSApproximately 15% of bulk ADSCs showed high ALDH activity in flow cytometric analysis. Although significant difference was not seen in proliferation capacity, the adipogenic and osteogenic differentiation capacity was higher in ALDHHi subpopulations than in ALDHLo. Gene set enrichment analysis revealed that ribosome-related gene sets were enriched in the ALDHHi subpopulation. CONCLUSIONHigh ALDH activity is a useful marker for identifying functionally different subpopulations in murine ADSCs. Additionally, we suggested the importance of ribosome for differentiation of ADSCs by gene set enrichment analysis.

关键词： Adipose-derived stem/stromal cell Aldehyde dehydrogenase activity Flow cytometry Subpopulation Ribosome

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Changes in expression of inhibitory substances in the intramural neurons of the stomach following streptozotocininduced diabetes in the pig

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World Journal of Gastroenterology 2017年第33期23卷 6088-6099页

作者： Michal Bulc Katarzyna Palus Lukasz Zielonka Magdalena Gajecka Jaroslaw Całka Department of clinical Physiology Faculty of veterinary medicine University of Warmia and Mazury Department of veterinary Prevention and Feed Hygiene Faculty of Veterinary MedicineUniversity of Warmia and Mazury in Olsztyn

AIM Influence of chronic hyperglycemia on chemical coding of enteric neurons in stomach using pig as a model for human diabetic *** Ten pigs were divided into two groups: diabetic(D group,n = 5) and control(C group,n = 5). Pigs constituting the experimental group were given streptozotocin(150 mg/kg). Animals were euthanized six weeks after the induction of diabetes. The samples of stomach were collected from animals of both groups. The cryostat sections were processed for double immunofluorescence staining using primary antisera directed towards pan-neuronal marker(Hu C/D) proteins and/or neuronal isoform of nitric oxide synthase(n NOS),vasoactive intestinal peptide(VIP) and galanin(GAL). RESULTS In the control group in the myenteric ganglia(MG) of the corpus we have noted 22.28% ± 1.19% of n NOS positive neurons,while in diabetic group we have found 40.74% ± 2.22% of n NOS immunoreactive perikarya(increase by 82.85 %). In turn in the pylorus we have observed 15.91% ± 0.58% n NOS containing neurons in control animals and 35.38% ± 1.54% in the diabetes group(increase by 122.37%). In the MG of the antrum and submucosal ganglion(SG) in the corpus hyperglycemia did not cause statistically significant changes. With regard to VIP-positive cell bodies in the antrum MG in the control animals we have noted 18.38 ± 1.39% and 40.74% ± 1.77% in the experimental group(increase by 121.65%). While in the corpus we have observed 23.20% ± 0.23% in the control and 30.93% ± 0.86% in the diabetes group(increase by 33.31%). In turn in the pylorus VIP positive cells bodies constituted 23.64% ± 1.56% in the control group and 31.20% ± 1.10% in the experimental group(increase by 31.97%). In the submucosal ganglion in the corpus we have noted 43.61% ± 1.06% in the control animals and 37.00% ± 1.77% in the experimental group(decrease by 15.15%). Expression of GAL-positive perikarya showed statistically significant changes only in the MG of the antrum and pylorus. In the antr

关键词： Immunohistochemistry Inhibitory neurons Streptozotocin Hyperglycemia Pig

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