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P156 Usefulness of pretreatment 1CTP levels as prognosis prediction. Breast 2023. [DOI: 10.1016/s0960-9776(23)00273-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
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Pneumatosis intestinalis associated with lenvatinib during thyroid cancer treatment: a case report. J Med Case Rep 2021; 15:556. [PMID: 34763724 PMCID: PMC8588671 DOI: 10.1186/s13256-021-03158-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 10/19/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Pneumatosis intestinalis is a rare disease characterized by gas-filled cysts within the submucosa or serosa of the intestinal tract. In recent years, pneumatosis intestinalis was reported in patients undergoing cancer treatment, and some case reports exist that report that pneumatosis intestinalis occurs during administration of vascular endothelial growth factor inhibitors, such as bevacizumab and sunitinib. Here, we report the first case of pneumatosis intestinalis during lenvatinib treatment. CASE PRESENTATION A 77-year-old Japanese man presented to our hospital with a chief complaint of numbness in the right leg and weakness of the lower limbs 9 years after right thyroid lobectomy. Computed tomography showed a tumor 90 mm in size from the lumbar spine to the sacrum, causing spinal cord compression. Blood tests showed that the patient's thyroglobulin level was increased to 11,600 ng/ml. We diagnosed him with thyroid cancer with bone metastases. External beam radiotherapy (39 Gy/13 Fr) was performed on the bone metastases, followed by total thyroidectomy and radioactive iodine therapy. Four months after radioactive iodine therapy, lenvatinib was introduced because the symptoms of numbness and weakness recurred. Lenvatinib was introduced at dose of 24 mg, and then it was reduced to 14 mg owing to Common Terminology Criteria for Adverse Event grade 3 paronychia of the right foot. Although no further significant adverse events occurred, a scheduled computed tomography image showed pneumatosis intestinalis of the ascending colon 14 weeks after the introduction of lenvatinib. No abdominal or digestive symptoms were observed; therefore, we selected conservative treatment. We discontinued lenvatinib for a week, but we were required to restart lenvatinib as the numbness in the right leg worsened after withdrawal. Since the introduction of lenvatinib, 3 years and 5 months passed; we continued lenvatinib treatment, and the therapeutic effect remains partial response. There has been no recurrence of pneumatosis intestinalis. CONCLUSIONS Although rare, it is important to recognize that pneumatosis intestinalis can occur in association with lenvatinib and should be differentiated from intestinal perforation. Pneumatosis intestinalis association with lenvatinib can be improved by withdrawal.
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Chemical peeling with salicylic acid in polyethylene glycol vehicle suppresses skin tumour development in hairless mice. Br J Dermatol 2003; 148:906-12. [PMID: 12786820 DOI: 10.1046/j.1365-2133.2003.05282.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Chemical peeling with salicylic acid in polyethylene glycol (PEG) vehicle is used clinically to improve the cosmetic appearance of skin that has been damaged by exposure to the sun. It is well known that cancers of the skin such as basal cell carcinoma and squamous cell carcinoma may be induced by the sun. However, the carcinogenic potential of chemical peeling agents has not been studied. OBJECTIVES To evaluate the effects of chemical peeling with 30% salicylic acid in PEG on skin tumour formation in treated vs. control mice. METHODS To serve as a model of sun-damaged skin, hairless SKH/hr1 mice were irradiated with ultraviolet (UV) B for 14 weeks, with or without treatment every 2 weeks with 30% salicylic acid in PEG for a total of 18 weeks. RESULTS Not only was the total number of tumours greatly reduced in the treated vs. the control mice, but skin tumour development was also slower in the treated vs. the control mice. At the final treatment, the fractions of T and B lymphocytes and natural killer cells from spleens of both groups of mice were comparable, and interferon-gamma production did not differ. CONCLUSIONS Our findings suggest that chemical peeling with salicylic acid in PEG may help to prevent as well as to reduce the number of UVB-induced skin tumours.
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New formulation of chemical peeling agent: histological evaluation in sun-damaged skin model in hairless mice. J Dermatol Sci 2001; 27 Suppl 1:S60-7. [PMID: 11514126 DOI: 10.1016/s0923-1811(01)00111-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND chemical peelings injure the superficial skin, which is then restored by healing of the wound. OBJECTIVES to document the acute and chronic histological changes produced by applying chemical peeling agents used clinically to the UVB-irradiated skin of hairless mice, which served as a model of sun-damaged skin. DESIGN three chemical peeling agents, 30% salicylic acid, dissolved in macrogol (a new formulation), 35% trichloroacetic acid (TCA) dissolved in distilled water and 20% glycolic acid dissolved in glycerin were applied to the backs of UVB-irradiated hairless mice. Untreated, irradiated areas of skin served as controls. Specimens were evaluated histologically at 3, 14, 28, and 70 days. RESULTS chronic UVB irradiation produced an irregular hypertrophy of the epidermis. The treated areas of irradiated skin recovered by day 70. At 28 days, all skin specimens treated with chemical peeling agents exhibited a unique connective tissue layer composed of fine collagen fibers beneath the epidermis. While 35% TCA produced severe tissue damage marked by inflammation up to day 14, no inflammatory infiltrates were seen with 30% salicylic acid in macrogol at 70 days. CONCLUSIONS chemical peeling with 30% salicylic acid dissolved in macrogol led to reorganization of the epidermis and a rebuilding of the superficial dermal connective tissue important in reducing wrinkles, and without evidence of inflammatory infiltrates in an animal model of sun-damaged skin. Findings suggest a possible clinical benefit.
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Histologic changes in the skin of hairless mice following peeling with salicylic acid. ARCHIVES OF DERMATOLOGY 2000; 136:1390-5. [PMID: 11074703 DOI: 10.1001/archderm.136.11.1390] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
OBJECTIVE To clarify the histologic alterations produced by the application of salicylic acid solution, which has been used effectively in chemical peeling without producing a wound or inflammation. DESIGN We applied 7.5%, 15.0%, and 30.0% salicylic acid in solutions of ethanol or macrogol to the backs of hairless mice for 20 minutes. The skin was histologically evaluated immediately and at 1, 3, 12, 24, and 48 hours following treatment. SETTING The Department of Dermatology, Faculty of Medicine, Kyushu University, Fukuoka, Japan. MAIN OUTCOME MEASURES A loss of cornified cells was the only morphologic alteration associated with the treatment, and was followed by the activation of the epidermal basal cells and the underlying fibroblasts. RESULTS The 7.5% and 15. 0% salicylic acid solutions produced few histologic changes, whereas the 30.0% salicylic acid in both vehicles macerated and then exfoliated the cornified cells. As the epidermis became thinner, the residual epidermal cells became flattened and were rearranged parallel to the tensile surface load. The cornified material within the hair follicles also became macerated, dilated the follicles, and then dropped off. An apparent increase occurred in the number of cells in the S phase in the epidermal basal cells in 24 hours, leaving the follicular cells unchanged. As the cornified layer thickened in 48 hours, the epidermal cells below it and the underlying fibroblasts resumed their random pretherapy arrangement. Except for the occasional infiltrate of lymphocytes, no degenerative or inflammatory changes occurred. While similar changes occurred with each vehicle, they were relatively faster with the ethanol preparations. CONCLUSION The present results suggest that the architecture of the epidermis and the papillary dermis can be regenerated by simply injuring the cornified layer by using topical agents such as salicylic acid that do not cause degeneration or inflammation.
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[Monitoring of the cryptococcus count in the cerebrospinal fluid with negative cultures in two cases of serious cryptococcal meningitis]. NO TO SHINKEI = BRAIN AND NERVE 2000; 52:729-33. [PMID: 11002485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
We monitored the cryptococcus count in the cerebrospinal fluid(CSF) using the filter technique in two cases of serious cryptococcal meningitis during the course of treatment with antifungal agents. Lumbar puncture was performed once a week, and 1 ml of CSF was filtered through a Millipore filter(5.0-micron pore for cells), followed by staining of the filters with Alcian blue. All of the cryptococci on the filter were counted under a light microscope at a magnification of x 100. More than 500/ml and 2,000/ml of cryptococci were still observed in the CFS in Cases 1 and 2, respectively, in whom CFS cultures for Cryptococcus neoformans became negative after 4 weeks of treatment. Even though the treatment with antifungal agents were continued in these cases, cryptococci could still be observed for 5 weeks and 60 weeks on the filter preparations of Cases 1 and 2, respectively, after the CSF cultures became negative. The cryptococcal antigen could also be detected in the CSF during the positive filter preparations in these cases. At autopsy in Case 2, patchy lepromeningeal inflammatory lesions with the characteristic capsules of cryptococci were observed in the subarachnoid space. These observations suggest that cryptococci, which persisted in the CSF despite the negative cultures, were responsible for the lesions in the subarachnoid space and protracted clinical course in the two cases of cryptococcal meningitis.
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Abstract
Lesions of naevus of Ota range in colour from light brown to blue, and even greenish-black. To develop guidelines for optimal treatment, we evaluated the number of Q-switched ruby laser treatments required to eliminate the pigmentation of such lesions classified by colour. Over a period of 6 years, we evaluated 151 Japanese patients with naevus of Ota who had been treated with the Q-switched ruby laser at a low energy level (wavelength 694.3 nm; pulse duration 28 x 10-9 s; energy fluence 5 J/cm2; spot size 6.5 mm) every 2 months. Each lesion was classified by colour as brown (n = 22), brown-violet (n = 42), violet-blue (n = 81) and blue-green (n = 6). The 22 predominantly brown lesions attained an excellent (100-95%) or good (95-75%) cosmetic result following three laser treatments in all patients who received this number of treatments. In the 42 brown-violet lesions, 25 of the 29 good or excellent results were achieved after four treatments; the 13 less successful results were in patients who had one to three treatments. In the 81 violet-blue lesions, 54 of the 65 good or excellent results were achieved after four treatments and 64 of 65 after five treatments, whereas all 16 less good results were in patients who had only one to three treatments. However, in the six blue-green lesions, six or more treatments were required to achieve a similarly favourable result. At the end of treatment, the area was virtually free of scarring, and its texture resembled that of the surrounding normal skin. We have confirmed that the use of the Q-switched ruby laser at a low energy level can eliminate the pigmentation of naevus of Ota. While the desired improvement can be obtained within 1 year, the number of treatments appears to depend on the predominant colour of the lesion.
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Role of bcl-2 in the development of lymphoid cells from the hematopoietic stem cell. Blood 1997; 89:853-62. [PMID: 9028316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
To investigate the role of bcl-2 in lymphohematopoiesis, a long-term bone marrow reconstitution system was established. Transplantation of 1,000 c-Kit+ Sca-1+ and lineage markers negative cells from bcl-2-l-mouse bone marrow resulted in long-term reconstitution of nonlymphoid cells. However, T cells were totally absent and B-lymphocyte development was severely impaired at a very early stage of differentiation in the chimeric mouse. On the other hand, transplantation of day 14 fetal liver cells from bcl-2-l-mice resulted in generation of both T and B cells in the recipient, albeit transiently. These data suggest that bcl-2 plays a critical role in the development of lymphoid progenitor cells from the hematopoietic stem cell (HSC), but is not essential for the development of nonlymphoid cells and the self-renewal of HSC. In addition, lymphopoiesis from fetal liver HSC appears to be less dependent on bcl-2 than adult bone marrow HSC.
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A case of connective tissue nevus associated with seborrheic keratosis-like eruption, atrophic scar, alopecia, and microtia. J Dermatol 1996; 23:577-9. [PMID: 8854593 DOI: 10.1111/j.1346-8138.1996.tb02655.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We report a 44-year-old Japanese man who had connective tissue nevus, seborrheic keratosis-like eruptions, atrophic scars on his hands and feet, alopecia, and microtia. These concurrent abnormalities are distinct from previously described multiple malformation syndromes.
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Abstract
A 68-year-old Japanese man with acute myelogenous leukemia, in long-term remission, developed cutaneous sarcoid reactions on his trunk and extremities. This may suggest that sarcoid-like granulomas be considered as a nonspecific cutaneous sign of underlying leukemia.
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Molecular cloning, sequencing, and expression of the genes encoding adenosylcobalamin-dependent diol dehydrase of Klebsiella oxytoca. J Biol Chem 1995; 270:7142-8. [PMID: 7706251 DOI: 10.1074/jbc.270.13.7142] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The pdd genes encoding adenosylcobalamin-dependent diol dehydrase of Klebsiella oxytoca were cloned by using a synthetic oligodeoxyribonucleotide as a hybridization probe followed by measuring the enzyme activity of each clone. Five clones of Escherichia coli exhibited diol dehydrase activity. At least one of them was shown to express diol dehydrase genes under control of their own promoter. Sequence analysis of the DNA fragments found in common in the inserts of these five clones and the flanking regions revealed four open reading frames separated by 10-18 base pairs. The sequential three open reading frames from the second to the fourth (pddA, pddB, and pddC genes) encoded polypeptides of 554, 224, and 173 amino acid residues with predicted molecular weights of 60,348 (alpha), 24,113 (beta), and 19,173 (gamma), respectively. Overexpression of these three genes in E. coli produced more than 50-fold higher level of functional apodiol dehydrase than that in K. oxytoca. The recombinant enzyme was indistinguishable from the wild-type one of K. oxytoca by the criteria of polyacrylamide gel electrophoretic and immunochemical properties. It was thus concluded that these three gene products are the subunits of functional diol dehydrase. Comparisons of the deduced amino acid sequences of the three subunits with other proteins failed to reveal any apparent homology.
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[Effects of heat treated cells of intestinal lactic acid bacteria in rats fed a deoxycholic acid diet]. JIKKEN DOBUTSU. EXPERIMENTAL ANIMALS 1990; 39:325-35. [PMID: 2401316 DOI: 10.1538/expanim1978.39.3_325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Effects of the administration of heat treated cells of intestinal lactic acid bacteria were examined in rats fed a deoxycholic acid (DCA) diet. Male Wistar rats were given a 0.25% DCA diet with or without the heat treated cells of Enterococcus faecalis AD 1001 (EFH-1) or Lactobacillus reuteri AD 0002 (LRH-2) for 4 weeks. Abnormal increases in serum GOT, GPT, UN and lipoproteins were observed in the rats fed the DCA diet. Furthermore, severe lesions in the kidney as well as in the liver were found in these rats. On the contrary, the increases in serum GOT, UN, VLDL and LDL were significantly suppressed, and markedly fewer lesions in the liver and the kidney were observed in the rats fed the DCA diet plus EFH-1 or LRH-2.
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Abstract
A 61-year-old Japanese man with chronic myelogenous leukemia developed pityriasis lichenoides-like eruptions during chemotherapy. Histopathological features were also consistent with the disease. The eruption in this case may have been an allergic reaction arising in a depressed immunity induced by chemotherapy.
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Local antibody production and immune complex formation in rats experimentally infected with Angiostrongylus cantonensis. Am J Trop Med Hyg 1988; 39:353-60. [PMID: 3056056 DOI: 10.4269/ajtmh.1988.39.353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The systemic humoral immune responses and tissue localization of worm-antigen, antibodies (IgG), and complement (C3) were examined in rats experimentally infected with Angiostrongylus cantonensis. While the worms remained in the subarachnoid space, it was infiltrated with plasma cells and lymphoid cells containing IgM and IgG. When the infiltration of these cells became more pronounced, the serum antibody titer began to increase. At the same time, deposits of IgM, IgG, and C3 were found in the glomeruli of the kidney. A number of eggs were observed in the lungs, enclosed in granulomatous tissues. Infiltrates of plasma cells including IgM and IgG, and deposits of IgM, IgG, and C3 were detected around the eggs and in the granulomatous tissues. A marked increase in serum antibody was observed. A. cantonensis larvae induce local antibody (IgM and IgG) production in the central nervous system prior to an increase of serum antibody titer. Measurement of cerebrospinal fluid antibody titer at an early stage of infection may confirm infection. The larvae showed no evidence of damage in spite of marked local antibody production in the central nervous system. The eggs in the lungs stimulated both local and systemic antibody production, and immune complexes were formed in the lung and the circulatory system. Immune complexes may participate in the formation of granuloma.
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Metastatic adenocarcinoma. A case report demonstrating bullous pemphigoid antigen in the tumor. Am J Dermatopathol 1988; 10:240-6. [PMID: 3232755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A case of metastatic adenocarcinoma in the skin of the thigh with an unconfirmed origin is described. Bullous pemphigoid antigen, which is present in the normal basement zone of stratified epithelia, was haphazardly present in the basement membrane zone of the aggregated tumor cells and within the cytoplasm of some cells. This finding indicates that metastatic malignant epithelial cells may produce bullous pemphigoid antigen in the alternative environment, especially if situated in the skin.
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Abstract
An extract of tumour tissue from a patient with Kimura's disease was tested for eosinophil chemotactic activity using the Boyden chamber method. Eosinophil chemotactic activity was detected in the tissue extract, and after gel filtration maximum activity was found in the fraction with a molecular weight of approximately 1000 daltons. This factor may play a role in the tissue eosinophilia which occurs in Kimura's disease.
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Neurothekeoma. Cutis 1988; 41:255-6. [PMID: 2835207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Neurothekeoma is a rare, benign cutaneous tumor with a fairly distinctive histologic appearance and characteristic clinical features. A second typical case of neurothekeoma in Japan, occurring on the dorsal aspect of the right hand, is presented.
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Leukocyte chemotactic activity and circulating immune complexes in psoriasis. J Dermatol 1987; 14:576-9. [PMID: 3329657 DOI: 10.1111/j.1346-8138.1987.tb03629.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Dermal squamous cell carcinoma in a laying hen. NIHON JUIGAKU ZASSHI. THE JAPANESE JOURNAL OF VETERINARY SCIENCE 1987; 49:1129-30. [PMID: 3430921 DOI: 10.1292/jvms1939.49.1129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Eosinophil chemotactic activity of beta-galactosidase. J Dermatol 1987; 14:137-40. [PMID: 3112205 DOI: 10.1111/j.1346-8138.1987.tb03547.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Enhancement of monocyte chemotactic activity in the sera of psoriatic patients after heat treatment. J Dermatol 1987; 14:29-32. [PMID: 3301947 DOI: 10.1111/j.1346-8138.1987.tb02991.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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The Influence of Celomic Membranes and a Tunnel between Celomic Cavities on Cancer Metastasis in Poultry. Avian Dis 1987. [DOI: 10.2307/1590792] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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The influence of celomic membranes and a tunnel between celomic cavities on cancer metastasis in poultry. Avian Dis 1987; 31:176-86. [PMID: 3579787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The roles of celomic membranes and celomic structures in preventing cancer metastasis were examined. The relationship between a tunnel in the peritoneal cavity of hens and the cancer metastasis was also investigated. A tunnel between the right and left dorsal hepatic cavities was found in almost half of healthy hens. The tunnel was also found in 17% of hens with cancer. Neoplastic cells were detected in the ascitic fluid of 79% of hens with effusions. Metastasis was most severe in the intestinal peritoneal and left dorsal hepatic cavities, whereas the right dorsal hepatic cavity showed the least involvement. Severe inflammatory responses were found within the metastatic membranes, resulting in an increase in their thickness. In tumor-bearing hens, crevasse-like splits were present within the membranes at the layers of loose connective tissues. It appears that the splits prevent further invasion by the cancer cells. There were no successful lesions on the inner surfaces of air sacs. It is suggested that the tunnel in the peritoneal cavity enhances cancer metastasis. We also conclude that the celomic membranes and their structure in hens retard the spread of cancer by functioning as a barrier against direct spread of the cancer cells.
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Abstract
The lysozyme activity in tissue samples from patients with lupus miliaris disseminatus faciei (LMDF), sarcoidosis and foreign body granuloma was investigated using the immunoperoxidase technique. The majority of epithelioid cells and giant cells in LMDF and sarcoidosis showed strong lysozyme staining in their cytoplasm. However, most macrophages and giant cells in foreign body granulomas, including granulomatous reactions to epidermal cysts and other foreign materials, stained weakly for lysozyme or were negative. These results suggest that LMDF is different from the foreign body reaction to inert substances, and may be induced by an immunological mechanism associated with cell-mediated immunity.
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Estradiol receptors and ovalbumin in adenocarcinoma of hens. Avian Dis 1986; 30:219-20. [PMID: 3729865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The origin of adenocarcinomas in 10 hens was studied using an assay for estradiol receptors (ERs) and ovalbumin. ERs were found in nine tumors, and ovalbumin was present in eight tumors. Hormonal regulation of this cancer is indicated, and it is suggested that the origin of the tumor is probably the glands of the oviduct.
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Abstract
A teratogenicity study was carried out in S1c: SD rats orally administered Hydroxypropylmethylcellulose acetate succinate (HPMCAS), a useful pharmaceutical excipient, at dose levels of 625, 1,250 and 2,500 mg/kg/day for a period of 11 days from day 7 to day 17 of gestation. Two-thirds of the pregnant females in each group were sacrificed on Day 21 of gestation and their fetuses were examined. The remaining dams were allowed to litter naturally, and the postnatal development of the offsprings was observed. The incidences of external, internal, and skeletal anomalies were not significantly increased in the fetuses of any treated groups. HPMCAS caused no effects on parturition, lactation, postnatal growth and reproductive ability of the male and female offspring.
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Abstract
A teratological study was carried out in New Zealand White rabbits in order to examine the teratogenic potentiality of HPMCAS, a useful pharmaceutical excipient. HPMCAS was orally administered at dose levels of 625, 1,250 and 2,500 mg/kg/day for a period of 13 days from day 6 to day 18 of gestation. All pregnant females were sacrificed on day 29 of gestation and their fetuses were examined. The administration of HPMCAS during a period of organogenesis produced no embryotoxic and teratogenic effects as well as no influence on behavior, appearance and growth of animals.
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Abstract
A fertility study was carried out in Slc: SD rats orally administered Hydroxypropylmethylcellulose acetate succinate (HPMCAS), a useful pharmaceutical excipient, at dose levels of 625, 1,250 and 2,500 mg/kg/day. Male rats were treated with HPMCAS from 60 days before pairing until the completion of mating. Female rats received HPMCAS for 22 days, from 14 days prior to mating up to Day 7 of gestation. All pregnant females were sacrificed on Day 21 of gestation and all fetuses were examined for abnormalities. No abnormal signs were seen in mating or fertility in the rat treated with HPMCAS. No external, internal and skeletal anomalies attributable to HPMCAS were observed in the fetuses. It was concluded that HPMCAS had no harmful effect on mating, fertilization, implantation, or embryonic development.
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Effects on offspring induced by oral administration of hydroxypropylmethylcellulose acetate succinate to the female rats in peri- and post-natal periods. J Toxicol Sci 1985; 10 Suppl 2:235-55. [PMID: 3841676 DOI: 10.2131/jts.10.supplementii_235] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A perinatal and postnatal study was carried out in Slc: SD rats orally administered Hydroxypropylmethylcellulose acetate succinate (HPMCAS), a useful pharmaceutical excipient, at dose levels of 625, 1,250 and 2,500 mg/kg/day for a period from day 17 of gestation to day 21 after delivery. All pregnant rats were allowed to litter naturally, and the postnatal development of the offsprings was observed. In the administered group of 2500 mg/kg, the liver weight was significantly increased in males and showed a tendency to increase in females as compared with control. No significant differences between the control group and the administered groups were found in postnatal growth and differentiation, behavior and reproductive ability of male and female offsprings.
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Pathological observations in experimental candida infection of sensitized guinea pigs. Mycopathologia 1985; 91:187-92. [PMID: 4058565 DOI: 10.1007/bf00446299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Guinea pigs immunized intramuscularly with heat-killed or viable Candida albicans were infected intracutaneously with C. albicans. Animals with negative delayed hypersensitivity against C. albicans antigen showed similar lesions with non-immunized controls. Delayed hypersensitivity-positive guinea pigs, which were detected in the animals immunized with heat-killed C. albicans in CFA and IFA, demonstrated a delay of the resolution of the inflammatory tissue reaction and, in the animals immunized with C. albicans in CFA, developed a granuloma. These results suggest that both humoral and cell-mediated immunities do not play a significant role for protection against candidiasis and at a late stage of infection, cell-mediated immunity may play a secondary role of the enhancement of resistance to candida infection associated with granuloma formation.
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[An eosinophil chemotactic factor of malignant fibrous histiocytoma]. NIHON HIFUKA GAKKAI ZASSHI. THE JAPANESE JOURNAL OF DERMATOLOGY 1985; 95:643-8. [PMID: 2993711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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A study on the origin of adenocarcinoma in fowls using immunohistological technique. Avian Dis 1984; 28:1130-4. [PMID: 6395847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
When tumor tissues collected from 12 hens suffering from so-called adenocarcinoma were stained with antisera by the indirect immunofluorescent method, all of the tissues appeared to contain ovalbumin. We suggest that most adenocarcinomas in the thoracoabdomen of mature hens are oviductal in origin.
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39
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[Histological and histochemical observation of macrophages in various foreign-body granulomas]. NIHON HIFUKA GAKKAI ZASSHI. THE JAPANESE JOURNAL OF DERMATOLOGY 1984; 94:1045-53. [PMID: 6439916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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40
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Studies on canine babesiosis in Okinawa Island. NIHON JUIGAKU ZASSHI. THE JAPANESE JOURNAL OF VETERINARY SCIENCE 1984; 46:511-8. [PMID: 6492541 DOI: 10.1292/jvms1939.46.511] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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41
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42
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Amyloidosis in rabbits infected with Trypanosoma evansi. NIHON JUIGAKU ZASSHI. THE JAPANESE JOURNAL OF VETERINARY SCIENCE 1984; 46:251-255. [PMID: 6748452 DOI: 10.1292/jvms1939.46.251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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43
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Polycystic immature teratoma observed at the head of Meckel's diverticulum of a chick. NIHON JUIGAKU ZASSHI. THE JAPANESE JOURNAL OF VETERINARY SCIENCE 1983; 45:383-385. [PMID: 6632472 DOI: 10.1292/jvms1939.45.383] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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44
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Posterior paralysis in pigs due to Haemophilus pleuropneumoniae infection. NIHON JUIGAKU ZASSHI. THE JAPANESE JOURNAL OF VETERINARY SCIENCE 1983; 45:251-4. [PMID: 6632461 DOI: 10.1292/jvms1939.45.251] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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45
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The Mann-Williamson ulcer as a model for testing antiulcer drugs. Results obtained with gefarnate. ARZNEIMITTEL-FORSCHUNG 1973; 23:461-3. [PMID: 4740136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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46
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[Acute nonbacterial meningitis with papillary edema--pathogenetic observation of benign intracranial hypertension]. NIHON SHONIKA GAKKAI ZASSHI. ACTA PAEDIATRICA JAPONICA 1967; 71:1345-51. [PMID: 5628240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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