Introduction: This study aimed to perform routine seminal fluid analysis, sperm DNA fragmentation, and sperm function tests at the chromatin maturation level and evaluate pregnancy in the patients passing intrauterine...Introduction: This study aimed to perform routine seminal fluid analysis, sperm DNA fragmentation, and sperm function tests at the chromatin maturation level and evaluate pregnancy in the patients passing intrauterine insemination before starting Intrauterine Insemination (IUI) method. Materials and Methods: In this prospective study, 111 couples who underwent Intrauterine Insemination (IUI) in unexplained infertility patients were admitted to Al-Farah IVF and assisted reproductive center in Baghdad, Iraq between November 2020 and February 2021 were evaluated. Semen fluid analysis was performed based on (WHO 4th) guiding rules. In addition, Sperm Chromatin Dispersion (halo test) and sperm maturation were performed with Aniline Blue Stain (ABS). Results: Sperm Chromatin Dispersion (SCD) groups were compared in terms of pregnancy outcome;the positive pregnancy rate was found to be above in the normal SCD groups (p = 0.0005). In addition, Aniline Blue Stain (ABS) groups were compared in the terms of pregnancy outcome;the positive pregnancy rate was found to be higher in the normal ABS group (p = 0.017). Conclusion: Our study showed that the use of DNA fragmentation (SCD) and sperm maturation tests (ABS) together with routine semen analysis in intrauterine insemination cases will make a significant contribution to the prediction of Intrauterine Insemination (IUI) increased results. So, these results indicate a defect in the effect of DNA fragmentation on the outcome of intrauterine insemination.展开更多
AIM:To explore the value of Prussian blue staining in the diagnosis of ocular siderosis.METHODS:Between January 2012 and January 2013,the Prussian blue stain used in anterior lens capsule and vitreous liquid after cen...AIM:To explore the value of Prussian blue staining in the diagnosis of ocular siderosis.METHODS:Between January 2012 and January 2013,the Prussian blue stain used in anterior lens capsule and vitreous liquid after centrifugation from patients with definitive diagnosis and suspicious diagnosed of ocular siderosis. At the same time, give a negative control.RESULTS:Anterior lens capsule membrane and liquid of vitreous cavity from patients with definitive diagnosis and suspicious diagnosed of ocular siderosis revealed ferric ions that stained positively with Prussian blue. In the control group, there is no positive reaction.CONCLUSION:Prussian blue staining in the diagnosis of ocular siderosis has a very significant worth,suspected cases can be definitive diagnosed.展开更多
BACKGROUND: There are many methods for myelin staining, mordant, or oil-soluble dye or the special reaction of osmic acid with lipoid is used according to different principles. The commonly used methods are classic We...BACKGROUND: There are many methods for myelin staining, mordant, or oil-soluble dye or the special reaction of osmic acid with lipoid is used according to different principles. The commonly used methods are classic Well staining, classic lithium carbonate-haematine staining, fast green staining, silver staining, etc. Luxol Fast Blue can brightly stain myelin sheath, and has certain specificity. The background can be very clean if there is proper differentiation, whereas Luxol Fast Blue is cheap and convenient to operate, thus it is an ideal staining reagent for routine myelin sheath. OBJECTIVE: To show the corticospinal tract of normal adult rats with Luxol Fast Blue staining method. DESIGN: A repetitive measurement design. SETTINGS: Institute of Nuerobiology, Nantong University; Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University. MATERIALS: Six healthy adult male SD rats of clean degree, weighing averagely 300 g, were provided by the experimental animal center of Nantong University. 1 g/L Luxol Fast Blue solution was provided by Sigma Company; Leica CM1900 cryostat microtome by Leica Company; Leica DMR microscope by Leica Company. METHODS: The experiment was carried out in the Staff Room of Human Anatomy, Nantong University in May 2005. The rats were given intraperitoneal injection of combined anesthetic (2 mL/kg), then the chest was open for perfusing saline and phosphate buffer containing formamint via heart. Brain and spinal cord were removed after 1 hour then fixed, then changed to phosphate buffer (pH 7.4) containing 300 g/L saccharu at 4 ℃, and stayed overnight, tissue blocks at pyramid, decussation of pyramid and cervical, thoracic, lumbar and sacral segments of spinal cord were removed to prepare continuous horizontal frozen sections (30 μm) after sedimentation, the sections were dried at room temperature. The corticospinal tract of normal adult rats were shown with Luxol Fast Blue staining method, and observed under Leica DMR microscope. MAIN OUTCOME MEASURES: Positive fibers in Luxol Fast Blue staining. RESULTS: After the Luxol Fast Blue staining, the labeled myelinated nerve fibers were bright blue. They located in the pyramid, decussation of pyramid and the ventral part of posterior funiculus in cervical, thoracic, lumbar and sacral segments of spinal cord. CONCLUSION: Luxol Fast Blue staining method may manifest the distribution of corticospinal tract with clear distinct in adult rats.展开更多
目的:探讨显示大鼠皮质脊髓束的特殊染色方法。方法:选用正常成年SD大鼠延髓和脊髓冰冻切片,应用Luxol Fast Blue染色法进行染色。结果:Luxol Fast Blue染色后,在延髓和脊髓切片中可见灰质呈淡红色,白质呈蓝色,延髓锥体染成深蓝色。锥体...目的:探讨显示大鼠皮质脊髓束的特殊染色方法。方法:选用正常成年SD大鼠延髓和脊髓冰冻切片,应用Luxol Fast Blue染色法进行染色。结果:Luxol Fast Blue染色后,在延髓和脊髓切片中可见灰质呈淡红色,白质呈蓝色,延髓锥体染成深蓝色。锥体中Luxol Fast Blue标记的深蓝色阳性纤维,经锥体交叉后至脊髓灰质后连合背侧,沿脊髓后索腹侧深层下行,至荐段后逐渐消失。在延髓锥体和脊髓颈、胸、腰段后索中,深蓝色的Luxol Fast Blue阳性纤维边界清晰,与周围结构区分明显。结论:运用Luxol Fast Blue染色可清楚显示大鼠皮质脊髓束在脊髓内的定位,是一种简便可靠的皮质脊髓束形态学研究方法。展开更多
[ Objective ] This study aimed to compare four staining methods for proteins of SDS-polyacrylamide gel dectrophoresis （SDS-PAGE） and explore a suit- able staining method for the antitumor active fraction of P. ameri...[ Objective ] This study aimed to compare four staining methods for proteins of SDS-polyacrylamide gel dectrophoresis （SDS-PAGE） and explore a suit- able staining method for the antitumor active fraction of P. americana after polyacrylamide gel electrophoresis. [ Method ] BSA was used as the standard for the comparison of Coomassie brilliant blue staining method, potassium staining method, calcium staining method and silver staining method, on the basis, antitumor ac- tive fraction samples of P. americana were used for SDS-PAGE electrophoresis and staining. [ Result] The results showed that silver staining method could be ac- curately, quickly and easily used for SDS-PAGE staining of the antitumor active fraction of P. amer/cana. [ Conclusion] This study laid the foundation for explo- ring the medicinal value of P. americana.展开更多
Potato cyst nematodes (PCNs), Globodera pallida and Globodera rostochiensis, are quarantine pests of potato which cause significant damage to production and farm gate revenue worldwide. Accurately assessing viability ...Potato cyst nematodes (PCNs), Globodera pallida and Globodera rostochiensis, are quarantine pests of potato which cause significant damage to production and farm gate revenue worldwide. Accurately assessing viability of PCN eggs is important for eradication and management programs. The goal of this study was to develop a quick and reliable fluorescent staining method to evaluate viability of G. pallida and Globodera ellingtonae eggs. The staining efficiency of eight fluorescent stains was evaluated using G. pallida eggs compared with the conventional Meldola’s Blue (MB) staining method. The staining efficiency of the fluorescent stains ranged from 80.33 ± 2.99 (Sytox Green) to 100% (Acridine Orange) for non-viable eggs. Two stains were further evaluated for their efficiency in assessing viability of encysted eggs from five different greenhouse-reared G. pallida cyst sources which contained both viable and non-viable eggs. For the G. pallida cyst sources, viability ofencysted eggs were estimated to be 41.02 ± 3.81 to 62.66% ± 3.12% when stained with Acridine Orange (AO) and 79.52% ± 1.54% viability for G. ellingtonae. Both staining time and stain concentration were significant for staining efficiency of released and encysted eggs. Staining time and concentration were optimized for released eggs at 4 h at 10 μg/ml and for encysted eggs at 16 h at 25 μg/ml respectively for AO. Fluorescent stains accurately and rapidly assessed percent egg viability and were determined to be as sensitive as a seven-day incubation with the Meldola’s Blue staining method.展开更多
文摘Introduction: This study aimed to perform routine seminal fluid analysis, sperm DNA fragmentation, and sperm function tests at the chromatin maturation level and evaluate pregnancy in the patients passing intrauterine insemination before starting Intrauterine Insemination (IUI) method. Materials and Methods: In this prospective study, 111 couples who underwent Intrauterine Insemination (IUI) in unexplained infertility patients were admitted to Al-Farah IVF and assisted reproductive center in Baghdad, Iraq between November 2020 and February 2021 were evaluated. Semen fluid analysis was performed based on (WHO 4th) guiding rules. In addition, Sperm Chromatin Dispersion (halo test) and sperm maturation were performed with Aniline Blue Stain (ABS). Results: Sperm Chromatin Dispersion (SCD) groups were compared in terms of pregnancy outcome;the positive pregnancy rate was found to be above in the normal SCD groups (p = 0.0005). In addition, Aniline Blue Stain (ABS) groups were compared in the terms of pregnancy outcome;the positive pregnancy rate was found to be higher in the normal ABS group (p = 0.017). Conclusion: Our study showed that the use of DNA fragmentation (SCD) and sperm maturation tests (ABS) together with routine semen analysis in intrauterine insemination cases will make a significant contribution to the prediction of Intrauterine Insemination (IUI) increased results. So, these results indicate a defect in the effect of DNA fragmentation on the outcome of intrauterine insemination.
基金Supported by Education Department Funding of Sichuan Province,China(No.2005B020)
文摘AIM:To explore the value of Prussian blue staining in the diagnosis of ocular siderosis.METHODS:Between January 2012 and January 2013,the Prussian blue stain used in anterior lens capsule and vitreous liquid after centrifugation from patients with definitive diagnosis and suspicious diagnosed of ocular siderosis. At the same time, give a negative control.RESULTS:Anterior lens capsule membrane and liquid of vitreous cavity from patients with definitive diagnosis and suspicious diagnosed of ocular siderosis revealed ferric ions that stained positively with Prussian blue. In the control group, there is no positive reaction.CONCLUSION:Prussian blue staining in the diagnosis of ocular siderosis has a very significant worth,suspected cases can be definitive diagnosed.
基金the National Natural Science Foundation of China, No. 90307013the Natural Science Foundation for Universities in Jiangsu Province, No. 05KJB180105a grant from Social Development Fund of Nantong City, No. S40052
文摘BACKGROUND: There are many methods for myelin staining, mordant, or oil-soluble dye or the special reaction of osmic acid with lipoid is used according to different principles. The commonly used methods are classic Well staining, classic lithium carbonate-haematine staining, fast green staining, silver staining, etc. Luxol Fast Blue can brightly stain myelin sheath, and has certain specificity. The background can be very clean if there is proper differentiation, whereas Luxol Fast Blue is cheap and convenient to operate, thus it is an ideal staining reagent for routine myelin sheath. OBJECTIVE: To show the corticospinal tract of normal adult rats with Luxol Fast Blue staining method. DESIGN: A repetitive measurement design. SETTINGS: Institute of Nuerobiology, Nantong University; Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University. MATERIALS: Six healthy adult male SD rats of clean degree, weighing averagely 300 g, were provided by the experimental animal center of Nantong University. 1 g/L Luxol Fast Blue solution was provided by Sigma Company; Leica CM1900 cryostat microtome by Leica Company; Leica DMR microscope by Leica Company. METHODS: The experiment was carried out in the Staff Room of Human Anatomy, Nantong University in May 2005. The rats were given intraperitoneal injection of combined anesthetic (2 mL/kg), then the chest was open for perfusing saline and phosphate buffer containing formamint via heart. Brain and spinal cord were removed after 1 hour then fixed, then changed to phosphate buffer (pH 7.4) containing 300 g/L saccharu at 4 ℃, and stayed overnight, tissue blocks at pyramid, decussation of pyramid and cervical, thoracic, lumbar and sacral segments of spinal cord were removed to prepare continuous horizontal frozen sections (30 μm) after sedimentation, the sections were dried at room temperature. The corticospinal tract of normal adult rats were shown with Luxol Fast Blue staining method, and observed under Leica DMR microscope. MAIN OUTCOME MEASURES: Positive fibers in Luxol Fast Blue staining. RESULTS: After the Luxol Fast Blue staining, the labeled myelinated nerve fibers were bright blue. They located in the pyramid, decussation of pyramid and the ventral part of posterior funiculus in cervical, thoracic, lumbar and sacral segments of spinal cord. CONCLUSION: Luxol Fast Blue staining method may manifest the distribution of corticospinal tract with clear distinct in adult rats.
基金Acknowledgments This study was supported by grants from the China National Natural Science Foundation （Nos. 30430530 and 30571337） and from the Momentous Research Project of the China Ministry of Science and Technology （No. 2006CB944003）.
文摘目的:探讨显示大鼠皮质脊髓束的特殊染色方法。方法:选用正常成年SD大鼠延髓和脊髓冰冻切片,应用Luxol Fast Blue染色法进行染色。结果:Luxol Fast Blue染色后,在延髓和脊髓切片中可见灰质呈淡红色,白质呈蓝色,延髓锥体染成深蓝色。锥体中Luxol Fast Blue标记的深蓝色阳性纤维,经锥体交叉后至脊髓灰质后连合背侧,沿脊髓后索腹侧深层下行,至荐段后逐渐消失。在延髓锥体和脊髓颈、胸、腰段后索中,深蓝色的Luxol Fast Blue阳性纤维边界清晰,与周围结构区分明显。结论:运用Luxol Fast Blue染色可清楚显示大鼠皮质脊髓束在脊髓内的定位,是一种简便可靠的皮质脊髓束形态学研究方法。
基金Supported by National Natural Science Foundation of China(30560181)Key Industry Innovation Project of Yunnan Province(2008IF012)
文摘[ Objective ] This study aimed to compare four staining methods for proteins of SDS-polyacrylamide gel dectrophoresis （SDS-PAGE） and explore a suit- able staining method for the antitumor active fraction of P. americana after polyacrylamide gel electrophoresis. [ Method ] BSA was used as the standard for the comparison of Coomassie brilliant blue staining method, potassium staining method, calcium staining method and silver staining method, on the basis, antitumor ac- tive fraction samples of P. americana were used for SDS-PAGE electrophoresis and staining. [ Result] The results showed that silver staining method could be ac- curately, quickly and easily used for SDS-PAGE staining of the antitumor active fraction of P. amer/cana. [ Conclusion] This study laid the foundation for explo- ring the medicinal value of P. americana.
文摘Potato cyst nematodes (PCNs), Globodera pallida and Globodera rostochiensis, are quarantine pests of potato which cause significant damage to production and farm gate revenue worldwide. Accurately assessing viability of PCN eggs is important for eradication and management programs. The goal of this study was to develop a quick and reliable fluorescent staining method to evaluate viability of G. pallida and Globodera ellingtonae eggs. The staining efficiency of eight fluorescent stains was evaluated using G. pallida eggs compared with the conventional Meldola’s Blue (MB) staining method. The staining efficiency of the fluorescent stains ranged from 80.33 ± 2.99 (Sytox Green) to 100% (Acridine Orange) for non-viable eggs. Two stains were further evaluated for their efficiency in assessing viability of encysted eggs from five different greenhouse-reared G. pallida cyst sources which contained both viable and non-viable eggs. For the G. pallida cyst sources, viability ofencysted eggs were estimated to be 41.02 ± 3.81 to 62.66% ± 3.12% when stained with Acridine Orange (AO) and 79.52% ± 1.54% viability for G. ellingtonae. Both staining time and stain concentration were significant for staining efficiency of released and encysted eggs. Staining time and concentration were optimized for released eggs at 4 h at 10 μg/ml and for encysted eggs at 16 h at 25 μg/ml respectively for AO. Fluorescent stains accurately and rapidly assessed percent egg viability and were determined to be as sensitive as a seven-day incubation with the Meldola’s Blue staining method.
