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Sieger MT, Miller T, Chiang T. Reflection high-energy electron diffraction and photoemission study of GaSb(100) reconstructions. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 52:8256-8265. [PMID: 9979825 DOI: 10.1103/physrevb.52.8256] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Sieger MT, Miller T, Chiang T. Site-Dependent Fine Structure in Photoemission Branching Ratios. PHYSICAL REVIEW LETTERS 1995; 75:2043-2046. [PMID: 10059194 DOI: 10.1103/physrevlett.75.2043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Aburano RD, Hong H, Roesler JM, Chung K, Lin D, Zschack P, Chen H, Chiang T. Boundary-structure determination of Ag/Si(111) interfaces by x-ray diffraction. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 52:1839-1847. [PMID: 9981251 DOI: 10.1103/physrevb.52.1839] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Miller T, Samsavar A, Chiang T. Photoexcitation of resonances in Ag films on Ni(111). PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 50:17686-17689. [PMID: 9976191 DOI: 10.1103/physrevb.50.17686] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Sieger MT, Roesler JM, Lin D, Miller T, Chiang T. Holography of Ge(111)-c(2 x 8) by surface core-level photoemission. PHYSICAL REVIEW LETTERS 1994; 73:3117-3120. [PMID: 10057292 DOI: 10.1103/physrevlett.73.3117] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Chiang T, Miller T, McMahon WE. Ag-Au superlattice band structure. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 50:11102-11106. [PMID: 9975220 DOI: 10.1103/physrevb.50.11102] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Lin MH, Hsieh SC, Li SY, Shih HC, Chiang T, McBride J, Todd R, Chou LS, Chou MY, Wong DT. Sequential cytogenetic alterations in hamster oral keratinocytes during DMBA-induced oral carcinogenesis. EUROPEAN JOURNAL OF CANCER. PART B, ORAL ONCOLOGY 1994; 30B:252-64. [PMID: 7950840 DOI: 10.1016/0964-1955(94)90007-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Using the hamster cheek pouch oral cancer model, we have performed a comprehensive analysis of the cytogenetic changes in hamster oral keratinocytes during 7,12-dimethylbenz[a]anthracene (DMBA)-induced carcinogenesis. Tumour induction in the hamster cheek pouch required repeated application of the carcinogen for 14 weeks. We have found that this hamster oral cancer model to be suitable for cytogenetic studies. Unlike human oral cancers where chromosome breaks have been shown, this is only infrequently observed in DMBA-treated hamster oral keratinocytes. Of importance is the finding that at the beginning of the second week of DMBA treatment, there is a significant increase of karyotypes demonstrating tetraploid or near-tetraploidy. We propose that the significant increase in hamster oral keratinocytes exhibiting tetraploidy be further evaluated as a marker of premalignancy/malignancy.
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Carlisle JA, Miller T, Chiang T. Carlisle et al. reply. PHYSICAL REVIEW LETTERS 1994; 72:3741. [PMID: 10056283 DOI: 10.1103/physrevlett.72.3741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Carlisle JA, Miller T, Chiang T. Ge chemisorption and alloying on the Si(111)-(7 x 7) surface. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 49:13600-13606. [PMID: 10010297 DOI: 10.1103/physrevb.49.13600] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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McMahon WE, Mueller MA, Miller T, Chiang T. Controlled electronic coupling between two quantum wells: A photoemission study of noble-metal systems. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 49:10426-10431. [PMID: 10009865 DOI: 10.1103/physrevb.49.10426] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Lin D, Hirschorn ES, Miller T, Chiang T. Adsorption, thermal reaction, and desorption of disilane on Ge(111)-c(2 x 8). PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 49:1836-1843. [PMID: 10010979 DOI: 10.1103/physrevb.49.1836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Barna BP, Thomassen MJ, Maier M, Medendorp SV, Tubbs RR, Chiang T, Zhou P, Yen-Lieberman B, Singh-Burgess S, Deodhar SD. Combination therapy with a synthetic peptide of C-reactive protein and interleukin 2: augmented survival and eradication of pulmonary metastases. Cancer Immunol Immunother 1994; 38:38-42. [PMID: 8299117 PMCID: PMC11038352 DOI: 10.1007/bf01517168] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/1993] [Accepted: 08/24/1993] [Indexed: 01/29/2023]
Abstract
A synthetic peptide (RS-83277) derived from the structure of human C-reactive protein (CRP) was previously shown to have antitumor activity in three different murine tumor models when administered in multilamellar vesicles (MLV). The therapeutic effects were comparable to those seen with MLV-encapsulated native CRP. The present study evaluated the therapeutic and immunomodulatory effects of administering CRP peptide RS-83277 MLV simultaneously with low-dose recombinant interleukin-2 (IL-2) to C57Bl/6 mice bearing established pulmonary metastases of fibrosarcoma T241. Results demonstrated that the capacity of RS-83277 MLV to inhibit tumor metastases and prolong survival was significantly augmented by combination with 10,000 U/day IL-2 i.p. Treated animals showed no evidence of toxicity. By immunohistochemistry, increased Thy 1.2+ cells were detectable in lungs of RS-83277 MLV/IL-2-treated animals compared to those receiving RS-83277 MLV alone. Circulating tumor necrosis factor alpha (TNF) and interferon (IFN) were not detectable in animals receiving RS-83277 MLV alone, but TNF was significantly elevated in animals receiving IL-2. In the presence of combination therapy, however, circulating TNF was not detectable. Results suggest that the combination of synthetic CRP peptide RS-83277 MLV and low-dose IL-2 offers a therapeutic advantage over either agent alone.
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Carlisle JA, Sieger MT, Miller T, Chiang T. Extended photoemission fine structure analysis of the Si(111)-(7 x 7) surface core levels. PHYSICAL REVIEW LETTERS 1993; 71:2955-2958. [PMID: 10054821 DOI: 10.1103/physrevlett.71.2955] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Lin D, Miller T, Chiang T, Tsu R, Greene JE. Thermal reactions of disilane on Si(100) studied by synchrotron-radiation photoemission. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 48:11846-11850. [PMID: 10007524 DOI: 10.1103/physrevb.48.11846] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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McMahon WE, Miller T, Chiang T. Avoided crossings of Au(111)/Ag/Au/Ag double-quantum-well states. PHYSICAL REVIEW LETTERS 1993; 71:907-910. [PMID: 10055398 DOI: 10.1103/physrevlett.71.907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Carlisle JA, Miller T, Chiang T. Angle-resolved photoemission study of the submonolayer phases of Pb on Ge(111). PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:10342-10347. [PMID: 10005143 DOI: 10.1103/physrevb.47.10342] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Lin D, Miller T, Chiang T. Adsorption and thermal reactions of disilane and the growth of Si films on Ge(100)-(2 x 1). PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:6543-6554. [PMID: 10004622 DOI: 10.1103/physrevb.47.6543] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Hong H, Aburano RD, Hirschorn ES, Zschack P, Chen H, Chiang T. Interaction of (1 x 2)-reconstructed Si(100) and Ag(110):Cs surfaces with C60 overlayers. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:6450-6454. [PMID: 10004611 DOI: 10.1103/physrevb.47.6450] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Carlisle JA, Miller T, Chiang T. Photoemission study of Pb on Ge(111). PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:3790-3796. [PMID: 10006484 DOI: 10.1103/physrevb.47.3790] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Hussein N, Chiang T, Ehsan Q, Hussain R. Intraocular pressure decrease in household contacts of patients with Hansen's disease and endemic control subjects. Am J Ophthalmol 1992; 114:479-83. [PMID: 1415460 DOI: 10.1016/s0002-9394(14)71861-6] [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: 12/26/2022]
Abstract
We compared the intraocular pressure in 150 urban household contacts of patients with Hansen's disease and 132 endemic control subjects from an urban population in Karachi, Pakistan, who were matched in regard to race, age, gender, and socioeconomic status. The mean intraocular pressure in the upright position was 12.6 mm Hg in the right eye and 12.9 mm Hg in the left eye in household contacts of patients with Hansen's disease and 15.3 mm Hg in the right eye and 15.4 mm Hg in the left eye in the endemic control population (P < .0005). The postural change in intraocular pressure from the upright to supine position was 1.7 mm Hg in the right eye and 2.1 mm Hg in the left eye in the household contacts group and 1.3 mm Hg in the right eye and 1.5 mm Hg in the left eye in the endemic control group (P < .0006). Our findings, especially in view of past observations in intraocular pressure changes in patients with Hansen's disease, raise serious questions about possible early ocular susceptibility to Mycobacterium leprae infection and about public health issues, including possible early indication of disease.
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Weber MW, Van Soest A, Neff G, Chiang T, Pfau R. Results of surgical procedures for the correction of foot-drop and of lagophthalmus due to leprosy. LEPROSY REV 1992; 63:255-62. [PMID: 1406020 DOI: 10.5935/0305-7518.19920030] [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: 12/26/2022]
Abstract
Leprosy mutilations of the muscles and skeleton can be relieved by reconstructive surgery, but evaluation of the results of these operations is seldom undertaken. Between 1975 and 1984, 59 leprosy patients were operated on at the Marie Adelaide Leprosy Centre, Karachi, Pakistan, for lagophthalmus with the transposition of the posterior tibial muscle. We were able to re-examine 39 patients: tibialis posterior transposition was performed 25 times, and temporalis transposition was carried out 33 times; 18 of the 25 patients with the tibialis posterior transposition were pleased with the result, 7 were not: 21 patients could extend their feet above the neutral position; 24 of the patients with the temporalis transposition were satisfied, 9 were not: complete closure was demonstrated in 21 eyes; Persistent corneal damage was noted in 15 eyes; 12 of the 23 male patients cared for themselves, 16 lived with their families; 7 of the 8 female patients lived with their families. The results of the rehabilitation, in relation to the degree of mutilation, are considered satisfactory for a developing country. These surgical procedures give a good result, provided they are followed by intensive physiotherapy.
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Franklin GE, Miller T, Chiang T. Growth phases of ZnTe on GaSb(100). PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:3940-3947. [PMID: 10004122 DOI: 10.1103/physrevb.46.3940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Lin D, Carlisle JA, Miller T, Chiang T. Lin et al. reply. PHYSICAL REVIEW LETTERS 1992; 69:552-553. [PMID: 10046969 DOI: 10.1103/physrevlett.69.552] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Arain GM, Alam SE, Chiang T. Leprosy in Karachi. J PAK MED ASSOC 1992; 42:160-1. [PMID: 1404834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Miller T, Chiang T. Study of a surface state in a Ag-Au superlattice gap. PHYSICAL REVIEW LETTERS 1992; 68:3339-3342. [PMID: 10045677 DOI: 10.1103/physrevlett.68.3339] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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