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目的：研究ghrelin阳性细胞在食蟹猴消化系统中的分布定位。方法：采用免疫组化SABC法检测ghrelin免疫阳性细胞在食蟹猴消化系统中的分布部位、含量及细胞形态。结果：ghrelin免疫阳性细胞分布于食蟹猴的胃、十二指肠、空肠前段、空肠中段以及胰腺中，而在口腔黏膜、食管、空肠后端至直肠、肝脏中均无表达。结论：食蟹猴内ghrelin阳性细胞的分布与人和其他动物的分布基本相似，ghrelin在进化上具有保守性，物种间存在差异性。

本文采用免疫组织化学染色方法，探讨ghrelin在雄性食蟹猴生殖系统内的分布定位。通过对ghrelin免疫阳性细胞在生殖系统中分布部位、含量及细胞形态等方面的研究，为今后ghrelin在食蟹猴体内的功能研究奠定形态学基础。免疫组化染色发现，ghrelin阳性细胞在食蟹猴的生殖系统中有分布。Ghrelin免疫阳性细胞被染为棕色到棕黑色，主要分布于睾丸、附睾及输精管中，精囊腺中无ghrelin阳性细胞分布。Ghrelin阳性细胞在组织中多呈散在分布。细胞大小不一、形态各异，多呈圆形、卵圆形、锥体形、长柱形及其他不规则形。

Copyright of Journal of Clinical Neurosurgery / Linchuang Shenjingwaike Zazhi is the property of Editorial Board of Journal of Clinical Neurosurgery and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Diagnosis & Therapy on Dermato-venereology is the property of Dermatology Hospital of Southern Medical University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Obesity is caused by a long-term excess of energy intake over expenditure which leads to the storage of excess energy as fat in adipose tissue or other tissues. The activation of adipose tissue dependent adaptive thermogenesis could increase energy expenditure and improve glucose and lipid metabolism, which is promising target for obesity. Both brown adipocytes and beige adipocytes participate in thermogenesis. Thermogenic adipocytes in adults are more close to beige adipocytes which have the capability to switch between an energy storage and energy dissipation phenotype, and could be activated by cold or adrenegic stimuli. Mitochondrial protein uncoupling protein 1 in thermogenic adipocytes could dissipate energy as heat. Recent studies have found that mitochondrial dynamics, quality control, metabolites and itself as the signaling organelles play vital roles in regulating beige biogenesis and function. This review will discuss the characteristics of mitochondrial and how mitochondrial regulate beige adipose tissue. [ABSTRACT FROM AUTHOR]

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Copyright of Chinese Journal of Rehabilitation Medicine is the property of China Association of Rehabilitation Medicine, China-Japan Friendship Hospital and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To report a case of hereditary skin disease mainly characterized by burning pain of the lower legs and feet, accompanied by flush and elevated skin temperature, and to identify the pathogenic genes and mutation sites in order to explore efiective treatment methods. Methods The clinical data of the case were collected and peripheral blood was taken from the patient and relatives to extract genomic DNA・ Next-generation sequencing of hereditary skin disease genes was performed, and suspected pathogenic mutations were verified w让h Sanger sequencing ・ The patient was treated with aspirin for anti-inflammation, rizatriptan benzoate tablet, mexil-etine hydrochloride, carbamazepine, local injection of botulinum toxin analgesia, topical compound polymyxin B ointment and cooling therapy. Results A heterozygous mutation of SCN9A: NM_002977・ 3: c. 688 + 142G > A or SCN9A: ENST00000375387. 4: c. 626G > A was detected in the patient's peripheral blood genomic DNA. The same mutation was found in the patient's sister, an uncle and a cousin・ Based on the pathogenic gene and clinical manifestations, the patient was diagnosed with primary erythromelalgia (PEM)・ After the treatment, the pain was significantly alleviated ・ Conclusions The intron mutation of NM_002977・ 3: c. 688 + 142G > A or missense mu-tation c. 626G > A(p. Gly209Asp) of the SCN9A gene is the cause of PEM in this case. Combination therapy of aspirin, rizatriptan benzoate, mexiletine hydrochloride, carbamazepine and local treatment can effectively control the symptoms of PEM, reduce the frequency of acute attacks and improve the prognosis. [ABSTRACT FROM AUTHOR]

In the teaching of university-level physical chemistry, the Arrhenius formula elucidates the relationship between the rate constant of a reaction, temperature, and activation energy. However, it is difficult for students to understand and master the formula simply from its expression. Taking the reaction of isopropyl nitrate with Cl atoms, OH and NO3 radicals as examples, the rate constants of the reactions at different temperatures were calculated based on the potential energy surface by the Transition State Theory. The change trends of rate constants with temperature for the reactions with different energy barriers have been visually analyzed. We hope to help students understand Arrhenius formula in essence by analyzing specific cases, so as to broaden their knowledge and cultivate their scientific inquiry ability. [ABSTRACT FROM AUTHOR]

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Copyright of Journal of South China Agricultural University is the property of Gai Kan Bian Wei Hui and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao is the property of Chinese Journal of Applied Ecology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In order to develop a new type of inhibitors of tobacco mosaic virus (TMV), which is efficient, low toxic and environmentally friendly, silver nanoparticles in quaternized oligochitosan solution was synthesized by using novel oligochitosan derivative with structure of quatemary ammonium salt as reducing agent and stabilizer. Different concentrations of silver nanoparticles in quaternized oligochitosan solution were used to test the resistance against TMV. The results showed that the silver nanoparticles in quaternized oligochitosan solution showed uniform distribution observed under transmission electron microscope (TEM), the particle diameter were mainly 7-12 nm. The best inhibitory effect of silver nanoparticles in quaternized oligochitosan solution to necrosis spots on Nicotiana tabacum cv. Xanthi-nc NN was observed at 25 μ g/mL, with inhibition rate of 74.0%, which was 41.5% and 24.4% higher than that of oligochitosan and ningnanmycin, respectively. On Nicotiana tabacum K326, silver nanoparticles in quaternized oligochitosan solution could relieve the decrease of chlorophyll content, improve the activities of defense enzymes such as superoxide dismutase (SOD), peroxidase (POD) and polyphenoloxidase (PPO) in TMV-inoculated leaves, reduce the content of malondialdehyde (MDA) and accumulate the content of soluble protein. The results suggested that silver nanoparticles in quaternized oligochitosan solution can improve the resistance of tobacco plant against TMV. [ABSTRACT FROM AUTHOR]

Copyright of Art Panorama is the property of Art Panorama Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)