[Objective] The ratio of flesh content and biochemical compositions in muscles of Pachyhynobius shangchengensis were researched in this experiment to provide basic referrences for studying nutritive physiological ecol...[Objective] The ratio of flesh content and biochemical compositions in muscles of Pachyhynobius shangchengensis were researched in this experiment to provide basic referrences for studying nutritive physiological ecology of Pachyhynobius shangchengensis. [Method] The biochemical analytic method was used to detect the ratio of flesh content and biochemical compositions in muscle of Pachyhynobius shangchengensis. [Result] The ratio of flesh contents of female and male Pachyhynobius shangchengensis were 54.93% and 55.84% respectively. The contents of protein, total saccharides and fatty acid of female Pachyhynobius shangchengensis were 15.44% ,1.70% and 0.68% respectively,while the same contents of male Pachyhynobius shangchengensis were 15.67%, 1.89% and 0.53% respectively. The total content of 18 kinds of amino acids was 12.72% (the proportion in fresh weight), among which the content of 8 kinds of essential amino acids was 4.68%. The essential amino acids index(EAAI) was 72.68 and limiting amino acids was valine. There were 11 kinds of fatty acids in muscles of Pachyhynobius shangchengensis, among which the content of unsaturated fatty acids (80.02%) was higher than that of saturated fatty acids( 19.98% ). [ Conclusion] Pachyhynobius shangchengensis was a kind of valuable natural resource belonging to the nutritious type of low fat content and high protein content.展开更多
2500 chickens were treated intwo households (A and B), and divided into a test group and a contrast group in each of the households. 0.5% of "Cumian No.l" was added to the feeds of 1- to 15-day-olds of the test gr...2500 chickens were treated intwo households (A and B), and divided into a test group and a contrast group in each of the households. 0.5% of "Cumian No.l" was added to the feeds of 1- to 15-day-olds of the test group and 0.2% to the feeds of 16- to 44-day-olds of the test group. The result showed that compared with the contrast group, the average weight and survival rate increased by 4.786% and 2% respectively, and FIG decreased by 9.2% in the test group in household A; the average weight and survival rate increased by 3.608% and 2% respectively, and FIG decreased by 14.9% in the test group in household B.展开更多
This study aimed to study the germplasm characteristics of Tibetan goat distributed in Sichuan. Three male and three female goats of twelve-month-old Ti-betan goat were selected, and they were slaughtered for analysis...This study aimed to study the germplasm characteristics of Tibetan goat distributed in Sichuan. Three male and three female goats of twelve-month-old Ti-betan goat were selected, and they were slaughtered for analysis of slaughter per-formance, muscle quality and muscle nutrients. The results showed that the pre-slaughter body weights, dressing percentages, meat percentages and carcass meat production rates of male and female Tibetan goats were (14.33±1.53) and (12.50±2.18) kg, (42.11±5.26)% and (43.85±4.51)%, (31.34±3.36)% and (32.84±3.16)%, and (72.34±0.54)% and (72.30±0.78)%, respectively. There were smal differences in car-cass size, carcass segmentation, muscle fiber properties, muscle quality, muscle nu-tritional composition, muscle minerals contents and muscle heavy metals contents between male and female Tibetan goats. A total of 18 kinds of amino acids were detected in the muscle of male and female Tibetan goats. The EAA/TAA ratios and EAA/NEAA ratios of male and female Tibetan goats were (39.18±0.38)%and (38.70±0.72)%, and (64.31±1.03)% and (63.21±1.92)%, respectively.展开更多
μ-calpain activities and shear force values of bovine M. longissimus from Chinese Yellow crossbred bulls were analyzed,and the effect of delay chilling on μ-calpain activities and the tenderness of beef during postm...μ-calpain activities and shear force values of bovine M. longissimus from Chinese Yellow crossbred bulls were analyzed,and the effect of delay chilling on μ-calpain activities and the tenderness of beef during postmortem aging were studied. The results showed that delay chilling significantly improved μ-calpain activities (P<0.05) and enhanced the tenderness of bovine M. longissimus during earlier aging periods compared with conventional chilling. But in later aging periods,delay chilling weakened the effect on the tenderness of beef because of premature consumption of μ-calpain. The experiment results confirmed that delay chilling improved the rate of postmortem aging of beef and remarkably enhanced the tenderness of beef through the effect of delay chilling on μ-calpain activities.展开更多
In the improvement process of local yellow cattle with frozen semen of beef cattle, the cows were grouped according to different cross combinations. Then, the conception rate, dystocia rate and reproductive survival r...In the improvement process of local yellow cattle with frozen semen of beef cattle, the cows were grouped according to different cross combinations. Then, the conception rate, dystocia rate and reproductive survival rate of the cows in each group, as well as the body size and body weight of new-born calves, were ana- lyzed. The results showed that no significant differences were found in conception rate among different groups (P〉0.05); there was no significant difference in dystocia rate between the A and C groups (P〉0.05), but the dystocia rate in the B group was significantly different from those in the A and C groups (P〈0.05). There were positive correlations between calf forehead width, chest circumference and the dys- tocia rate.展开更多
In the sarcoma S180 ascitic mice, the effects of moxa-cone moxibustion at Guanyuan (CV 4) on erythrocytic immunity and its regulative function were investigated. The results indicated that moxibustion at Guanyuan (CV ...In the sarcoma S180 ascitic mice, the effects of moxa-cone moxibustion at Guanyuan (CV 4) on erythrocytic immunity and its regulative function were investigated. The results indicated that moxibustion at Guanyuan (CV 4) could significantly increase the decreased erythrocytic C3b receptor rosette forming rate (RBC-C3bRR), lower the raised erythrocytic immunocomplex rosette forming rate (RBC-ICR, P展开更多
AIM: To examine the risk of colorectal neoplasm in acromegalic patients by meta-analyzing all relevant controlled studies. METHODS: Extensive English language medical literature searches for human studies, up to Decem...AIM: To examine the risk of colorectal neoplasm in acromegalic patients by meta-analyzing all relevant controlled studies. METHODS: Extensive English language medical literature searches for human studies, up to December 2007, were performed using suitable keywords. Pooled estimates [odds ratio (OR) with 95% confidence intervals (CI)] were obtained using either the fixed or random-effects model as appropriate. Heterogeneity between studies was evaluated with the Cochran Q test whereas the likelihood of publication bias was assessed by constructing funnel plots. Their symmetry was estimated by the adjusted rank correlation test. RESULTS: For hyperplastic polyps the pooled ORs with 95% CI were 3.557 (2.587-4.891) by fixed effects model and 3.703 (2.565-5.347) by random effects model. The Z test values for overall effect were 7.81 and 6.984, respectively (P < 0.0001). For colon adenomas the pooled ORs with 95% CI were 2.486 (1.908-3.238) (fixed effects model) and 2.537 (1.914-3.364) (random effects model). The Z test values were 6.747 and 6.472, respectively (P < 0.0001). For colon cancer the pooled OR with 95% CI was identical for both fixed and random effects model (OR, 4.351; 95% CI, 1.533-12.354; Z = 2.762, P = 0.006]. There was no significant heterogeneity and no publication bias in all the above meta-analyses. CONCLUSION: Acromegaly is associated with an increased risk of colorectal neoplasm.展开更多
Objective: The aim of the study was to explore the application of 64-slice spiral computed tomography perfusion imaging (CTPI) in evaluating angiogenesis in human osteosarcoma. Methods: Twenty-six patients (18 ma...Objective: The aim of the study was to explore the application of 64-slice spiral computed tomography perfusion imaging (CTPI) in evaluating angiogenesis in human osteosarcoma. Methods: Twenty-six patients (18 males and 8 females ranging from 9 to 56 years old, with an average of 19 years) with osteosarcoma underwent 64-slice spiral CTPI. We analyzed the correlations of CTPI parameters including blood flow (BF), blood volume (BV), time to peak (TTP), and permeability surface (PS) with the expression of markers of angiogenesis. Statistical analysis was performed with paired-samples t test, and Pearson correlation analysis was employed to investigate the correlations of CTPI parameters with microvessel density (MVD). Results: Mean BF, BV, TTP, and PS values of osteosarcoma group were (46.6 ± 25.1) mL/100 g/min, (61.8 ± 29.5) mL/100 g, (122.9 ± 26.2) seconds, and (44.5 ± 14.6) mL/100 g/min, respectively. Those in the normal muscle group were (5.2 ± 6.6) mL/100 g/min, (9.6 ± 7.3) mL/100 g, (115.5 ± 33.1) seconds and (17.0 ± 29.3) mL/100 g/min, respectively. Osteosarcoma group showed higher BF, BV and PS compared with the normal muscle group (P = 0.000, P = 0.000, and P = 0.000, respectively). However, no significant difference was found in TTP between osteosarcoma tissue and normal adjacent muscle tissue (P = 0.273). BF, BV, and PS were positively correlated with MVD (r = 0.83, P = 0.000; r = 0.87, P = 0.000; and r = 0.63, P = 0.001, respectively). No correlation was found between TTP and MVD (r = –0.02, P = 0.93). Conclusion: CTPI is useful for assessing tumor vascularity of osteosarcoma and CTPI parameters are positively correlated with MVD.展开更多
Objective To partially purify the angiogenesis factor of human osteosarcoma(HuOs) and study its biological features. Methods The active peptide with a molecular weight of 8000-10000 Da in the conditioned medium obtain...Objective To partially purify the angiogenesis factor of human osteosarcoma(HuOs) and study its biological features. Methods The active peptide with a molecular weight of 8000-10000 Da in the conditioned medium obtained from the cultivation of Hu-Os cells(osteoblastic osteosarcoma) was partially purified by ultrafiltration, chromatography and dialysis.The angiogenic effects of the fractions were assessed by proliferation assay of human umbilical vein and pig thoracic aorta endothelial cells. Results The chromatography fractions 4-6 could significantly promote the proliferation of the endothelial cells.Conclusion The HuOs cells could synthesize and secrete angiogenesis factor with a molecular weight of 8000-10000 Da.展开更多
RS-3-chloro-2-oxy-propyltrimethylammonium-chloride 1, an important inter- mediate of carnitine and acetylcholine, has been synthesized and resolved by using R,R-tartric acid. Di-(S-3-chloro-2-oxy-propyltrimethylammoni...RS-3-chloro-2-oxy-propyltrimethylammonium-chloride 1, an important inter- mediate of carnitine and acetylcholine, has been synthesized and resolved by using R,R-tartric acid. Di-(S-3-chloro-2-oxy-propyltrimethylammonium)-R,R-tartrate 2, with optical purity of 81.76%, has been obtained. Compound 2 was characterized by IR spectroscopy, MS, NMR and X-ray diffrac- tion, and it crystallizes in orthorhombic, space group P212121, absolute structure parameter 0.56(8), with cell parameters a = 8.323(2), b = 10.203(2), c = 26.178(5) ? C16H34Cl2N2O8, Mr = 453.272, V = 2223.0(8) ?, Z = 4, Dc = 1.354 g/cm3, m = 0.335 mm-1, F(000) = 968, R = 0.0534 and wR = 0.1274 for 4376 observed reflections (I > 2s(I)). The lattice is composed of two S-3-chloro- 2-oxy-propyltrimethylammonium cations and one R,R-tartrate dianion which are arranged in separate stacks linked via hydrogen bonds.展开更多
Primary pulmonary rhabdomyosarcoma (PPR) in adult is an extremely rare disease, and because of its early metastasis, the prognosis of it is poor. PPR should be included in consideration in the diagnosis and differenti...Primary pulmonary rhabdomyosarcoma (PPR) in adult is an extremely rare disease, and because of its early metastasis, the prognosis of it is poor. PPR should be included in consideration in the diagnosis and differential diagnosis of lung tumors.展开更多
The title compound C 17 H 14 O, M r =234.30, is orthorhombic, space group Pbca with unit cell of a=16.410 (2), b=15.451(2), c=10.261(2); Z=8, D c =1.196 g/cm 3; V=2601(1) 3; λ (Mo Kα)=0.71069, μ (Mo Kα ) =0.73 cm...The title compound C 17 H 14 O, M r =234.30, is orthorhombic, space group Pbca with unit cell of a=16.410 (2), b=15.451(2), c=10.261(2); Z=8, D c =1.196 g/cm 3; V=2601(1) 3; λ (Mo Kα)=0.71069, μ (Mo Kα ) =0.73 cm -1 , F (000)=992, final R=0.048, R w =0.053 for 1121 observed reflections with I>3.00σ(I ). As the two phenyl planes and the C 4H 4CO group are non coplanar ,the molecular conjugated system was disturbed.展开更多
Muscle injuries remain one of the most common injuries in sport,yet despite this,there is little consensus on how to either effectively describe or determine the prognosis of a specific muscle injury.Numerous approach...Muscle injuries remain one of the most common injuries in sport,yet despite this,there is little consensus on how to either effectively describe or determine the prognosis of a specific muscle injury.Numerous approaches to muscle classification and grading of medicine have been applied over the last century,but over the last decade the limitations of historic approaches have been recognized.As a consequence,in the past 10 years,clinical research groups have begun to question the historic approaches and reconsider the way muscle injuries are classified and described.Using a narrative approach,this manuscript describes several of the most recent attempts to classify and grade muscle injuries and highlights the relative strengths and weaknesses of each system.While each of the new classification and grading systems have strengths,there remains little consensus on a system that is both comprehensive and evidence based.Few of the currently identified features within the grading systems have relevance to accurately determining prognosis.展开更多
The 1 195 bp 5′ flanking region of rice ( Oryza sativa L.) cytosolic fructose_1, 6_bisphosphatase (cyFBPase) can direct tissue, cell specific expression in transgenic rice. In order to identify sequence elements ...The 1 195 bp 5′ flanking region of rice ( Oryza sativa L.) cytosolic fructose_1, 6_bisphosphatase (cyFBPase) can direct tissue, cell specific expression in transgenic rice. In order to identify sequence elements responsible for the regulation of mesophyll_specific expression, the 5′ flanking regions of -1 195 bp, -1 102 bp, -768 bp, and -644 bp upstream of the translation initiation ATG codon were fused to the reporter gene encoding β_glucuronidase (GUS) and transferred to rice via particle bombardment. Analysis of the 5′ promoter deletions identified that a 93 bp fragment between -1 195 bp and -1 102 bp is essential for directing mesophyll specific expression. High constitutive expression of GUS reporter gene was found in the -768 deletion lines and another two deletion series. These results indicate the great potential utility of the promoter in rice biotechnology.展开更多
Serrated polyps of the colorectum form a group of related lesions which include aberrant crypt foci (ACF), conventional hyperplastic polyps, mixed (admixed) polyps, serrated adenomas and sessile serrated adenomas. In ...Serrated polyps of the colorectum form a group of related lesions which include aberrant crypt foci (ACF), conventional hyperplastic polyps, mixed (admixed) polyps, serrated adenomas and sessile serrated adenomas. In recent years the molecular differences between these morphologically similar lesions have been highlighted, and their differing biological potential has been realised. In particular, the sessile serrated adenoma has become recognised as the precursor lesion to a group of sporadic colorectal carcinomas characterised by morphological and molecular features distinct from conventional adenomas. These recent findings have challenged the long held paradigm that all colorectal carcinomas arise via the traditional adenoma-carcinoma sequence. In addition, they present a major challenge for the early detection and management of colorectal cancer, which is no longer regarded as a homogeneous entity.展开更多
Esophageal carcinosarcoma is a rare malignant tumor composing of both carcinomatous and sarcomatous elements. Endoscopic therapy is less invasive and may represent an alternative to esophagectomy for superf icial esop...Esophageal carcinosarcoma is a rare malignant tumor composing of both carcinomatous and sarcomatous elements. Endoscopic therapy is less invasive and may represent an alternative to esophagectomy for superf icial esophageal carcinosarcoma. Here, we report a 61-year-old male who was diagnosed as esophageal carcinosarcoma and underwent endoscopic polypectomy with well tolerance and favorable prognosis. We also present a brief review of the literature.展开更多
基金Supported by the Science and Technology Key Program of Anyang City~~
文摘[Objective] The ratio of flesh content and biochemical compositions in muscles of Pachyhynobius shangchengensis were researched in this experiment to provide basic referrences for studying nutritive physiological ecology of Pachyhynobius shangchengensis. [Method] The biochemical analytic method was used to detect the ratio of flesh content and biochemical compositions in muscle of Pachyhynobius shangchengensis. [Result] The ratio of flesh contents of female and male Pachyhynobius shangchengensis were 54.93% and 55.84% respectively. The contents of protein, total saccharides and fatty acid of female Pachyhynobius shangchengensis were 15.44% ,1.70% and 0.68% respectively,while the same contents of male Pachyhynobius shangchengensis were 15.67%, 1.89% and 0.53% respectively. The total content of 18 kinds of amino acids was 12.72% (the proportion in fresh weight), among which the content of 8 kinds of essential amino acids was 4.68%. The essential amino acids index(EAAI) was 72.68 and limiting amino acids was valine. There were 11 kinds of fatty acids in muscles of Pachyhynobius shangchengensis, among which the content of unsaturated fatty acids (80.02%) was higher than that of saturated fatty acids( 19.98% ). [ Conclusion] Pachyhynobius shangchengensis was a kind of valuable natural resource belonging to the nutritious type of low fat content and high protein content.
文摘2500 chickens were treated intwo households (A and B), and divided into a test group and a contrast group in each of the households. 0.5% of "Cumian No.l" was added to the feeds of 1- to 15-day-olds of the test group and 0.2% to the feeds of 16- to 44-day-olds of the test group. The result showed that compared with the contrast group, the average weight and survival rate increased by 4.786% and 2% respectively, and FIG decreased by 9.2% in the test group in household A; the average weight and survival rate increased by 3.608% and 2% respectively, and FIG decreased by 14.9% in the test group in household B.
文摘This study aimed to study the germplasm characteristics of Tibetan goat distributed in Sichuan. Three male and three female goats of twelve-month-old Ti-betan goat were selected, and they were slaughtered for analysis of slaughter per-formance, muscle quality and muscle nutrients. The results showed that the pre-slaughter body weights, dressing percentages, meat percentages and carcass meat production rates of male and female Tibetan goats were (14.33±1.53) and (12.50±2.18) kg, (42.11±5.26)% and (43.85±4.51)%, (31.34±3.36)% and (32.84±3.16)%, and (72.34±0.54)% and (72.30±0.78)%, respectively. There were smal differences in car-cass size, carcass segmentation, muscle fiber properties, muscle quality, muscle nu-tritional composition, muscle minerals contents and muscle heavy metals contents between male and female Tibetan goats. A total of 18 kinds of amino acids were detected in the muscle of male and female Tibetan goats. The EAA/TAA ratios and EAA/NEAA ratios of male and female Tibetan goats were (39.18&#177;0.38)%and (38.70±0.72)%, and (64.31±1.03)% and (63.21±1.92)%, respectively.
基金Supported by the National High Technology Research and Development Program of China(2006BAD05A03)~~
文摘μ-calpain activities and shear force values of bovine M. longissimus from Chinese Yellow crossbred bulls were analyzed,and the effect of delay chilling on μ-calpain activities and the tenderness of beef during postmortem aging were studied. The results showed that delay chilling significantly improved μ-calpain activities (P<0.05) and enhanced the tenderness of bovine M. longissimus during earlier aging periods compared with conventional chilling. But in later aging periods,delay chilling weakened the effect on the tenderness of beef because of premature consumption of μ-calpain. The experiment results confirmed that delay chilling improved the rate of postmortem aging of beef and remarkably enhanced the tenderness of beef through the effect of delay chilling on μ-calpain activities.
文摘In the improvement process of local yellow cattle with frozen semen of beef cattle, the cows were grouped according to different cross combinations. Then, the conception rate, dystocia rate and reproductive survival rate of the cows in each group, as well as the body size and body weight of new-born calves, were ana- lyzed. The results showed that no significant differences were found in conception rate among different groups (P〉0.05); there was no significant difference in dystocia rate between the A and C groups (P〉0.05), but the dystocia rate in the B group was significantly different from those in the A and C groups (P〈0.05). There were positive correlations between calf forehead width, chest circumference and the dys- tocia rate.
文摘In the sarcoma S180 ascitic mice, the effects of moxa-cone moxibustion at Guanyuan (CV 4) on erythrocytic immunity and its regulative function were investigated. The results indicated that moxibustion at Guanyuan (CV 4) could significantly increase the decreased erythrocytic C3b receptor rosette forming rate (RBC-C3bRR), lower the raised erythrocytic immunocomplex rosette forming rate (RBC-ICR, P
文摘AIM: To examine the risk of colorectal neoplasm in acromegalic patients by meta-analyzing all relevant controlled studies. METHODS: Extensive English language medical literature searches for human studies, up to December 2007, were performed using suitable keywords. Pooled estimates [odds ratio (OR) with 95% confidence intervals (CI)] were obtained using either the fixed or random-effects model as appropriate. Heterogeneity between studies was evaluated with the Cochran Q test whereas the likelihood of publication bias was assessed by constructing funnel plots. Their symmetry was estimated by the adjusted rank correlation test. RESULTS: For hyperplastic polyps the pooled ORs with 95% CI were 3.557 (2.587-4.891) by fixed effects model and 3.703 (2.565-5.347) by random effects model. The Z test values for overall effect were 7.81 and 6.984, respectively (P < 0.0001). For colon adenomas the pooled ORs with 95% CI were 2.486 (1.908-3.238) (fixed effects model) and 2.537 (1.914-3.364) (random effects model). The Z test values were 6.747 and 6.472, respectively (P < 0.0001). For colon cancer the pooled OR with 95% CI was identical for both fixed and random effects model (OR, 4.351; 95% CI, 1.533-12.354; Z = 2.762, P = 0.006]. There was no significant heterogeneity and no publication bias in all the above meta-analyses. CONCLUSION: Acromegaly is associated with an increased risk of colorectal neoplasm.
基金Supported by a grant from the Medical Research Program Foundation for Talents of "Tenth five" of PLA (No. 04J002)
文摘Objective: The aim of the study was to explore the application of 64-slice spiral computed tomography perfusion imaging (CTPI) in evaluating angiogenesis in human osteosarcoma. Methods: Twenty-six patients (18 males and 8 females ranging from 9 to 56 years old, with an average of 19 years) with osteosarcoma underwent 64-slice spiral CTPI. We analyzed the correlations of CTPI parameters including blood flow (BF), blood volume (BV), time to peak (TTP), and permeability surface (PS) with the expression of markers of angiogenesis. Statistical analysis was performed with paired-samples t test, and Pearson correlation analysis was employed to investigate the correlations of CTPI parameters with microvessel density (MVD). Results: Mean BF, BV, TTP, and PS values of osteosarcoma group were (46.6 ± 25.1) mL/100 g/min, (61.8 ± 29.5) mL/100 g, (122.9 ± 26.2) seconds, and (44.5 ± 14.6) mL/100 g/min, respectively. Those in the normal muscle group were (5.2 ± 6.6) mL/100 g/min, (9.6 ± 7.3) mL/100 g, (115.5 ± 33.1) seconds and (17.0 ± 29.3) mL/100 g/min, respectively. Osteosarcoma group showed higher BF, BV and PS compared with the normal muscle group (P = 0.000, P = 0.000, and P = 0.000, respectively). However, no significant difference was found in TTP between osteosarcoma tissue and normal adjacent muscle tissue (P = 0.273). BF, BV, and PS were positively correlated with MVD (r = 0.83, P = 0.000; r = 0.87, P = 0.000; and r = 0.63, P = 0.001, respectively). No correlation was found between TTP and MVD (r = –0.02, P = 0.93). Conclusion: CTPI is useful for assessing tumor vascularity of osteosarcoma and CTPI parameters are positively correlated with MVD.
文摘Objective To partially purify the angiogenesis factor of human osteosarcoma(HuOs) and study its biological features. Methods The active peptide with a molecular weight of 8000-10000 Da in the conditioned medium obtained from the cultivation of Hu-Os cells(osteoblastic osteosarcoma) was partially purified by ultrafiltration, chromatography and dialysis.The angiogenic effects of the fractions were assessed by proliferation assay of human umbilical vein and pig thoracic aorta endothelial cells. Results The chromatography fractions 4-6 could significantly promote the proliferation of the endothelial cells.Conclusion The HuOs cells could synthesize and secrete angiogenesis factor with a molecular weight of 8000-10000 Da.
文摘RS-3-chloro-2-oxy-propyltrimethylammonium-chloride 1, an important inter- mediate of carnitine and acetylcholine, has been synthesized and resolved by using R,R-tartric acid. Di-(S-3-chloro-2-oxy-propyltrimethylammonium)-R,R-tartrate 2, with optical purity of 81.76%, has been obtained. Compound 2 was characterized by IR spectroscopy, MS, NMR and X-ray diffrac- tion, and it crystallizes in orthorhombic, space group P212121, absolute structure parameter 0.56(8), with cell parameters a = 8.323(2), b = 10.203(2), c = 26.178(5) ? C16H34Cl2N2O8, Mr = 453.272, V = 2223.0(8) ?, Z = 4, Dc = 1.354 g/cm3, m = 0.335 mm-1, F(000) = 968, R = 0.0534 and wR = 0.1274 for 4376 observed reflections (I > 2s(I)). The lattice is composed of two S-3-chloro- 2-oxy-propyltrimethylammonium cations and one R,R-tartrate dianion which are arranged in separate stacks linked via hydrogen bonds.
文摘Primary pulmonary rhabdomyosarcoma (PPR) in adult is an extremely rare disease, and because of its early metastasis, the prognosis of it is poor. PPR should be included in consideration in the diagnosis and differential diagnosis of lung tumors.
文摘The title compound C 17 H 14 O, M r =234.30, is orthorhombic, space group Pbca with unit cell of a=16.410 (2), b=15.451(2), c=10.261(2); Z=8, D c =1.196 g/cm 3; V=2601(1) 3; λ (Mo Kα)=0.71069, μ (Mo Kα ) =0.73 cm -1 , F (000)=992, final R=0.048, R w =0.053 for 1121 observed reflections with I>3.00σ(I ). As the two phenyl planes and the C 4H 4CO group are non coplanar ,the molecular conjugated system was disturbed.
文摘Muscle injuries remain one of the most common injuries in sport,yet despite this,there is little consensus on how to either effectively describe or determine the prognosis of a specific muscle injury.Numerous approaches to muscle classification and grading of medicine have been applied over the last century,but over the last decade the limitations of historic approaches have been recognized.As a consequence,in the past 10 years,clinical research groups have begun to question the historic approaches and reconsider the way muscle injuries are classified and described.Using a narrative approach,this manuscript describes several of the most recent attempts to classify and grade muscle injuries and highlights the relative strengths and weaknesses of each system.While each of the new classification and grading systems have strengths,there remains little consensus on a system that is both comprehensive and evidence based.Few of the currently identified features within the grading systems have relevance to accurately determining prognosis.
文摘The 1 195 bp 5′ flanking region of rice ( Oryza sativa L.) cytosolic fructose_1, 6_bisphosphatase (cyFBPase) can direct tissue, cell specific expression in transgenic rice. In order to identify sequence elements responsible for the regulation of mesophyll_specific expression, the 5′ flanking regions of -1 195 bp, -1 102 bp, -768 bp, and -644 bp upstream of the translation initiation ATG codon were fused to the reporter gene encoding β_glucuronidase (GUS) and transferred to rice via particle bombardment. Analysis of the 5′ promoter deletions identified that a 93 bp fragment between -1 195 bp and -1 102 bp is essential for directing mesophyll specific expression. High constitutive expression of GUS reporter gene was found in the -768 deletion lines and another two deletion series. These results indicate the great potential utility of the promoter in rice biotechnology.
文摘Serrated polyps of the colorectum form a group of related lesions which include aberrant crypt foci (ACF), conventional hyperplastic polyps, mixed (admixed) polyps, serrated adenomas and sessile serrated adenomas. In recent years the molecular differences between these morphologically similar lesions have been highlighted, and their differing biological potential has been realised. In particular, the sessile serrated adenoma has become recognised as the precursor lesion to a group of sporadic colorectal carcinomas characterised by morphological and molecular features distinct from conventional adenomas. These recent findings have challenged the long held paradigm that all colorectal carcinomas arise via the traditional adenoma-carcinoma sequence. In addition, they present a major challenge for the early detection and management of colorectal cancer, which is no longer regarded as a homogeneous entity.
文摘Esophageal carcinosarcoma is a rare malignant tumor composing of both carcinomatous and sarcomatous elements. Endoscopic therapy is less invasive and may represent an alternative to esophagectomy for superf icial esophageal carcinosarcoma. Here, we report a 61-year-old male who was diagnosed as esophageal carcinosarcoma and underwent endoscopic polypectomy with well tolerance and favorable prognosis. We also present a brief review of the literature.