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The role of central 5-hydroxytryptamine in acupuncture analgesia. 中枢5-羟色胺在针刺镇痛中的作用。
Scientia Sinica Pub Date : 1979-01-01 DOI: 10.1016/B978-0-444-80402-0.50102-9
Hang Cs, Chou Ph, Lushbaugh Cc, Liang-Hung Lu, Yang Th, Jen Mf
{"title":"The role of central 5-hydroxytryptamine in acupuncture analgesia.","authors":"Hang Cs, Chou Ph, Lushbaugh Cc, Liang-Hung Lu, Yang Th, Jen Mf","doi":"10.1016/B978-0-444-80402-0.50102-9","DOIUrl":"https://doi.org/10.1016/B978-0-444-80402-0.50102-9","url":null,"abstract":"","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"11 1","pages":"91-104"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79116044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 71
Neurophysiological basis of acupuncture analgesia. 针刺镇痛的神经生理基础。
Scientia Sinica Pub Date : 1978-11-01
C Hsiang-Tung
{"title":"Neurophysiological basis of acupuncture analgesia.","authors":"C Hsiang-Tung","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This article presents a view about the neural mechanism of acupuncture analgesia and the clinical and experimental evidences on which this view is based. The analgesic effect of acupuncture is considered essentially a manifestation of the interaction of afferent impulses from the region of pain and those from the point of acupuncture. It begins with a general information leading to the development of this sensory interaction theory in interpretation of acupuncture analgesia. The nature of the acupuncture feeling, the receptors activated by acupuncture, the types of fibers involved in transmission of the afferent impulses produced by acupuncture and the processes of interaction taking place at different levels of the central nervous system are described with particular reference to the integrative action of extralemniscal system including the bulbar reticular formation and the intralaminar structures of thalamus. The possible rôle played by the putative synaptic neurotransmitters such as serotonin is only very briefly mentioned.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 6","pages":"829-46"},"PeriodicalIF":0.0,"publicationDate":"1978-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11432155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The reflex theory of speech perception. 语言感知的反射理论。
Scientia Sinica Pub Date : 1978-11-01
Z Jia-Lu
{"title":"The reflex theory of speech perception.","authors":"Z Jia-Lu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The perceptual confusions among Chinese consonants are analyzed and a comparative study is made for several languages, and then a reflex theory is presented. The results show that: (i) the distinctive features of speech are important perceptual cues, of which the manner of articulation is the more important one, (ii) the feature systems are different for different languages, (iii) the social characteristics of language i.e., linguistic constructions, strongly influence speech perception which is of a unitary process based on the physical characteristics in combination with the social characteristics of speech. The principal features of Chinese consonants and its capability to transmit information are given. It is shown that the construction of Chinese syllables is good for the syllable articulation.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 6","pages":"742-55"},"PeriodicalIF":0.0,"publicationDate":"1978-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11940944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies on the synthesis of polynucleotides--synthesis of a dodecaribonucleoside undecaphosphate and a hexadecaribonucleoside pentadecaphosphate. 多核苷酸的合成研究——十一磷酸十二碳核苷和五磷酸十六碳核苷的合成。
Scientia Sinica Pub Date : 1978-09-01
{"title":"Studies on the synthesis of polynucleotides--synthesis of a dodecaribonucleoside undecaphosphate and a hexadecaribonucleoside pentadecaphosphate.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper describes the synthesis of oligoribonucleotides by T4 RNA ligase and their identification. The products are a dodecaribonucleotide CpGpGpA32pCpUpCpGpUpCpCpA and a hexadecaribonucleotide ApUpUpC32pCpUpCpGpUpCpCpA, representing the 3'-end nucleotide sequences of the yeast alanine transfer RNA. Particular emphasis was placed on the conditions for the joining reaction, using oligoribonucleotides of defined sequence as the substrates. CpGpGpA32pCpUpCpGpUpCpCpA was synthesized with 32pCpUpCpGpUpCpCpA as the donor, and CpGpGpA as the acceptor in rather low ratio of acceptor to donor. Both the yield and purity of the joining product were above 90%. 32pCpGpGpA32pCpUpCpGpUpCpCpA was used in turn as the donor, and ApUpUpC as the acceptor for further synthesis of the hexadecaribonucleotide ApUpUpC32pCpGpGpA32pCpUpCpGpUpCpCpA with a yield of 60%.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 5","pages":"687-97"},"PeriodicalIF":0.0,"publicationDate":"1978-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11934934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Involvement of descending inhibition in the effect of acupuncture on the splanchnically evoked potential in the orbital cortex of cat. 针刺对猫眶皮层内脏诱发电位的影响涉及下降抑制。
Scientia Sinica Pub Date : 1978-09-01
E Shen, W H Ma, C Lan
{"title":"Involvement of descending inhibition in the effect of acupuncture on the splanchnically evoked potential in the orbital cortex of cat.","authors":"E Shen,&nbsp;W H Ma,&nbsp;C Lan","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The possible involvement of descending inhibition in the effect of acupuncture on the transmission of visceral afferent impulses has been investigated. Averaged splanchnically evoked potentials were recorded in the orbital cortex of the unanesthetized immobilized cat. The evoked orbital potentials could be inhibited by electroacupuncture. Section of the descending inhibitory pathway which is known to be located in the dorsolateral funiculi of the spinal cord produced marked diminution of the acupuncture inhibitory effect on the evoked cortical potentials with needles either inserted in the hindlimb or in the forelimb. Since the afferent impulses from the forelimb entered the cord above the level of section (T3-4), the ascending pathway for acupuncture signals to the supraspinal structure was thus left intact. Destruction of the pontobulbar reticular formation including mainly the nucleus raphe magnus produced the same diminution of the acupuncture effect. The results indicate that the ascending visceral afferent impulses are blocked at the level of the spinal cord by the acupuncture-induced descending impulses from the supraspinal center, probably the nucleus raphe magnus.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 5","pages":"677-85"},"PeriodicalIF":0.0,"publicationDate":"1978-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11497384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies on the active principles of Schisandra sphenanthera Rehd. et Wils. The structures of schisantherin A, B, C, D, E, and the related compounds. 五味子活性成分的研究。会。五味子甲素A、B、C、D、E及其相关化合物的结构。
Scientia Sinica Pub Date : 1978-07-01
C S Liu, S D Fang, M F Huang, Y L Kao, J S Hsu
{"title":"Studies on the active principles of Schisandra sphenanthera Rehd. et Wils. The structures of schisantherin A, B, C, D, E, and the related compounds.","authors":"C S Liu,&nbsp;S D Fang,&nbsp;M F Huang,&nbsp;Y L Kao,&nbsp;J S Hsu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Deoxyschisandrin (VIII) and five new lignans, named schisantherin A, B, C, D, and E, were isolated from the active fraction of the fruits of Schisandra sphenanthera Rehd. et Wils. Their configurations and conformations were established by exhaustive spectral analysis as well as chemical degradations as shown in Ia, Ib; IIa, IIb; IIIa, IIIb; IVa, IVb, and Va, Vb respectively, and their absolute configurations at biphenyl, at C6, C7, and C8 were all assigned to be S form. The position of the methylenedioxyl group in the structures of gamma-schisandrin and Wuweizisu C (as described in the literature), isolated from Schisandra chinensis, must be corrected as shown in VI and VII respectively. In pharmacologica studies and preliminary clinical trials, schisantherin A, B, C, and D showed good effect in lowering the serum glutamic-pyruvic transaminase level of the patients suffering from chronic virus hepatitis. Schisantherin E and deoxyschisandrin were not effective.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 4","pages":"483-502"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11447840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inhibition of nociceptive discharges of parafascicular neurons by direct electrical stimulation of nucleus centrum medianum. 正中核直接电刺激对束旁神经元伤害性放电的抑制作用。
Scientia Sinica Pub Date : 1978-07-01
F S Lo, C S Yüan, S L Yang, C H Tuanmu, H T Chang
{"title":"Inhibition of nociceptive discharges of parafascicular neurons by direct electrical stimulation of nucleus centrum medianum.","authors":"F S Lo,&nbsp;C S Yüan,&nbsp;S L Yang,&nbsp;C H Tuanmu,&nbsp;H T Chang","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Pain evoked unit discharges in the parafascicular nucleus could be inhibited by direct electrical stimulation of the centromedian nucleus of thalamus, with residual inhibitory effect lasting for several minutes after cessation of stimulation. The optimal frequency of stimulation for production of the inhibitory effect was found to be 4--8 pulses per second. The duration of inhibition following each stimulating pulse lasted for 100--170 msec. Analysis of oscillographic records shows that there exists before the onset of the inhibition of parafascicular discharges a latent period of 10--20 msec which far exceeds the time required for impulse conduction between the two closely related structures, suggesting that a long tortuous neuronal circuit is involved in elaboration and transmission of the inhibitory effect.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 4","pages":"533-44"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11915385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of LH-RH in induction of spawning in grass carp (Ctenopharyngodon idellus). I. Cytological and histochemical studies of the pituitary and of the ovary. rh - rh在草鱼诱导产卵中的作用。垂体和卵巢的细胞学和组织化学研究。
Scientia Sinica Pub Date : 1978-05-01
{"title":"The role of LH-RH in induction of spawning in grass carp (Ctenopharyngodon idellus). I. Cytological and histochemical studies of the pituitary and of the ovary.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Histochemical studies indicate that in teleost, just like the case in mammalian species, the functional changes of the pituitary and the ovary are directly and indirectly under the control of the hypothalamic releasing hormone. The medium lobe of the grass carp's pituitary has only one type of gonadotroph which contains two kinds of granules differing in size and staining reaction. The gonadotrophs show extensive activity of hormone synthesis and release following the LH-RH treatment. This is evidenced by the progressing decrease in number of the small granules, increase in number and size of the huge heterogenous granules and the appearance of cytoplasmic vacuolation. The small granules are likely to be the LH secreting granules and the huge granules, the FSH secreting granules. Owing to the rapid elevation of pituitary LH, the ovary is activated. This is demonstrated by the increased activities of G-6-Pase, AKP, 3 beta-0H-SDH, and ACP in the follicular cells of the ovary after hormonal treatment. The result suggest that the steroid hormone plays an important role in the regulation of the gonadotropin action.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 3","pages":"390-6"},"PeriodicalIF":0.0,"publicationDate":"1978-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11564890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of LH-RH in induction of spawning in grass carp (Ctenopharyngodon idellus). II. Ultrastructural study of pituitary gonadotrophs. rh - rh在草鱼诱导产卵中的作用。2垂体促性腺激素的超微结构研究。
Scientia Sinica Pub Date : 1978-05-01
{"title":"The role of LH-RH in induction of spawning in grass carp (Ctenopharyngodon idellus). II. Ultrastructural study of pituitary gonadotrophs.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 3","pages":"397-400"},"PeriodicalIF":0.0,"publicationDate":"1978-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11564892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Establishment of an epitheloid cell line and a fusiform cell line from a patient with nasopharyngeal carcinoma. 鼻咽癌患者上皮样细胞系和梭形细胞系的建立。
Scientia Sinica Pub Date : 1978-01-01
{"title":"Establishment of an epitheloid cell line and a fusiform cell line from a patient with nasopharyngeal carcinoma.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An epithelioid cell line and a fusiform cell line were established from a tumor biopsy from a patient with nasopharyngeal carcinoma which as histologically diagnosed as a well differentiated squamous cell carcinoma. Based on studies of the cell growth pattern, chromosome analysis, heterotransplantation, and electron microscopy, these two cell lines were considered to be squamous carcinoma cells, and the fusiform cells might have originated from the epithelioid cells. There were many round cells on top of the epithelioid and fusiform cell sheets, many of which became continuously detached into the medium. Cultures initiated from these floating round cells grew into their original epithelioid or fusiform forms. No lymphoblastoid cell line could be established after cultivating these two cell lines for more than one year. No EB virus particle or early antigen could be detected in these two cell lines by means of electron microscopic examination and indirect immunofluorescence test.</p>","PeriodicalId":21694,"journal":{"name":"Scientia Sinica","volume":"21 1","pages":"127-34"},"PeriodicalIF":0.0,"publicationDate":"1978-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11422588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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