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Oncolog, Volume 38, Number 01, January-March 1993, Staff Jan 1993

Oncolog, Volume 38, Number 01, January-March 1993, Staff

OncoLog MD Anderson's Report to Physicians (All issues) Archives

  • Texas Outreach Program offers neuroblastoma screening in infant
  • Cryosurgery for prostate cancer shows promise in pilot study
  • Clinicians' ability to predict cancer risk may lie in new assay


Oncolog, Volume 38, Number 03, July-September 1993, Staff Jan 1993

Oncolog, Volume 38, Number 03, July-September 1993, Staff

OncoLog MD Anderson's Report to Physicians (All issues) Archives

  • Liposomal cisplatin analogue is less toxic and more effective than cisplatin
  • Physicians can help allay fear by helping patients understand cancer risk
  • The physician's role in smoking cessation


Oncolog, Volume 38, Number 02, April-June 1993, Staff Jan 1993

Oncolog, Volume 38, Number 02, April-June 1993, Staff

OncoLog MD Anderson's Report to Physicians (All issues) Archives

  • Ultraviolet radiation suppresses immune system, laboratory studies show
  • New physician network brings M. D. Anderson to local communities
  • The physician as scientist


Epidermal Mosaicism And Blaschko's Lines, Celia Moss, S. Larkins, Michael W. Stacey, A. Blight, P. A. Farndon, E. V. Davidson Jan 1993

Epidermal Mosaicism And Blaschko's Lines, Celia Moss, S. Larkins, Michael W. Stacey, A. Blight, P. A. Farndon, E. V. Davidson

Bioelectrics Publications

To test the hypothesis that epidermal rather than dermal mosaicism determines Blaschko's lines in hypomelanosis of Ito (HI), we studied the distribution of chromosomal mosaicism in four patients. In two, mosaicism had not been detected in lymphocytes or dermal fibroblasts, but was clearly shown in epidermal keratinocytes; furthermore, the abnormal cell line was confirmed to the hypopigmented epidermis and the normal epidermis contained only normal cells. Negative findings in the other two patients might be because of mosaicism which was undetected either because it was submicroscopic or because it was present in melanocytes, which have not yet been studied. These …


Rethinking Postpartum Health Care, Martha Brady, Beverly Winikoff Jan 1993

Rethinking Postpartum Health Care, Martha Brady, Beverly Winikoff

Reproductive Health

These proceedings come from papers and discussions as part of the Population Council invitational seminar entited "Rethinking Postpartum Health Care," in 1992. The seminar on postpartum reproductive health was the fifth in a series of seminars convened by the Population Council as part of its Robert H. Ebert Program on Critical Issues in Reproductive Health and Population. The program focuses on four topics: 1) improving and devising new approaches to postpartum care; 2) improving the quality of care in family planning and reproductive health services; 3) managing unwanted pregnancy and preventing the consequences of unsafe abortion; and 4) bringing attention …


Salmonella Hadar Pericarditis, A Aziz, W Jafri, T A. Jawed, A Shaikh, B Farooqui, M K. Ashfaq, N Ul Haq Jan 1993

Salmonella Hadar Pericarditis, A Aziz, W Jafri, T A. Jawed, A Shaikh, B Farooqui, M K. Ashfaq, N Ul Haq

Department of Pathology and Laboratory Medicine

No abstract provided.


Cloning And Expression Of A Novel Na(+)-Dependent Neutral Amino Acid Transporter Structurally Related To Mammalian Na+/Glutamate Cotransporters, Saad Shafqat, Balaji Tamarappoo, Michael S Kilberg, Ram S Puranam, James O. Mcnamara, Ana Guadaño -Ferraz, R.T. Fremeau Jan 1993

Cloning And Expression Of A Novel Na(+)-Dependent Neutral Amino Acid Transporter Structurally Related To Mammalian Na+/Glutamate Cotransporters, Saad Shafqat, Balaji Tamarappoo, Michael S Kilberg, Ram S Puranam, James O. Mcnamara, Ana Guadaño -Ferraz, R.T. Fremeau

Section of Neurology

A cDNA has been isolated from human hippocampus that appears to encode a novel Na(+)-dependent, Cl(-)-independent, neutral amino acid transporter. The putative protein, designated SATT, is 529 amino acids long and exhibits significant amino acid sequence identity (39-44%) with mammalian L-glutamate transporters. Expression of SATT cDNA in HeLa cells induced stereospecific uptake of L-serine, L-alanine, and L-threonine that was not inhibited by excess (3 mM) 2-(methylamino)-isobutyric acid, a specific substrate for the System A amino acid transporter. SATT expression in HeLa cells did not induce the transport of radiolabeled L-cysteine, L-glutamate, or related dicarboxylates. Northern blot hybridization revealed high levels …


The Relationship Of Locus-Of-Control And Altruism To Prehospital Emergency Medical Care Providers Universal Precaution Practices, Joanne L. Wakeham Jan 1993

The Relationship Of Locus-Of-Control And Altruism To Prehospital Emergency Medical Care Providers Universal Precaution Practices, Joanne L. Wakeham

Health Services Research Dissertations

The purpose of this study was to determine the relationship between locus of control, altruism, occupational risk, and personal factors to the frequency of universal precautions practices of prehospital emergency medical care providers. The effects of OSHA's Occupational Exposure to Bloodborne Pathogens; Final Rule on reducing prehospital emergency medical care providers occupational exposure to bloodborne pathogens were also examined. Prehospital emergency medical care providers from municipal and private EMS agencies in the Tidewater Emergency Medical Services region participated in this study. Prehospital emergency medical care providers self-reported perceptions of locus of control, altruism, occupational risk, and universal precautions practices were …


Comparison Of Primiparous Women's Expected And Experienced Pain In Labour, Shelagh Lawrence Jan 1993

Comparison Of Primiparous Women's Expected And Experienced Pain In Labour, Shelagh Lawrence

Theses : Honours

Pain is a subjective phenomenon and is, in varying degrees, an inherent part of the childbirth experience. However, most Western societies view suffering as unacceptable and as such, regard analgesia as a necessity. Many women do not anticipate the intensity of pain experienced in childbirth and are, therefore, not ready to manage this amount of pain when it occurs. This prospective study compared the expected and experienced labour pain of 99 primiparous women, aged 17-40 years. The relationship between expected and experienced pain and acceptance of pregnancy; identification with the motherhood role; relationship with mother; relationship with husband/partner; preparation for …


Book Review: The Baculovirus Expression System: A Laboratory Guide (1992) King, L. A. & Possee, R. D., David D. Dunigan Jan 1993

Book Review: The Baculovirus Expression System: A Laboratory Guide (1992) King, L. A. & Possee, R. D., David D. Dunigan

Nebraska Center for Virology: Faculty Publications

The power of molecular biology is unleashed with the ability to clone and sequence genes, and then express these genes in heterologous systems. This sets the stage for the full analysis of proteins that are otherwise difficult to isolate and/or purify, especially when present at very low copy number per cell or when isolated from relatively precious materials. Overexpression of protein is now possible in a number of systems including prokaryotes (e.g., E. coli) and various eukaryotes (yeast, insects, and plants). The issue then becomes, which system (1) most closely reflects the homologous expression with respect to posttranslational modifications, …


Digest Of The Philadelphia College Of Osteopathic Medicine (Winter - December 1992), Philadelphia College Of Osteopathic Medicine Dec 1992

Digest Of The Philadelphia College Of Osteopathic Medicine (Winter - December 1992), Philadelphia College Of Osteopathic Medicine

Digest

The Winter - December 1992 issue of the Digest of the Philadelphia College of Osteopathic Medicine includes the following articles:

  • President's Perspective: Strengthening Our Future - Annual Report
  • PCOM Names New Dean
  • New Chairman and Members Elected to Osteopathic Medical Center Boards
  • Founders Day '93
  • No Boundaries For Healing: Alumni Serve Worldwide
  • Major General Blanck Comes Home to Walter Reed Command
  • Alumnus Co-Authors Federal High Blood Pressure Report
  • Just Published
  • Class Acts
  • In Memoriam
  • Coming Events


Ms211: Trip Report On Initial Consortium Visit To Areas Effected By Chernobyl Accident, Armin Weinberg Nov 1992

Ms211: Trip Report On Initial Consortium Visit To Areas Effected By Chernobyl Accident, Armin Weinberg

Works on Radiation Effects: 1990-2020

Armin's impressions of first visit to former USSR Russia, Ukraine and Israel by our group at that time referred to as International Consortium for Research and Treatment of Radiation... sent to Admiral Zumwalt (who also traveled to Moscow and Bryansk but not to Ukraine where Armin went with Boris Yoffe, also Larry Laufman and Phil McCarthy went from Russia to Israel with our Hadassah colleagues.) See more at Armin Weinberg, PhD Papers and its finding aid.


Digest Of The Philadelphia College Of Osteopathic Medicine (Fall 1992), Philadelphia College Of Osteopathic Medicine Oct 1992

Digest Of The Philadelphia College Of Osteopathic Medicine (Fall 1992), Philadelphia College Of Osteopathic Medicine

Digest

The Fall 1992 issue of the Digest of the Philadelphia College of Osteopathic Medicine includes the following articles:

  • President's Perspective: PCOM Gains Momentum for Future Challenges
  • Postgraduate Program Continues to Grow
  • $1 Million Gift Sets Pace for New Fundraising Campaign
  • Leonard H. Finkelstein, '59, Receives ACOS 'Distinguished Surgeon Award'
  • Exhibits and Poster Sessions
  • PCOM Wishes its Best to an Outgoing Dean
  • Classic Wisely
  • From Colleagues and Co-Workers
  • Orchestrating a Life of Music and Medicine
  • Rockwell Collector Turns Museum Owner
  • Just Published
  • Class Acts
  • In Memoriam
  • Coming Events


Childhood Typhoid Fever Diagnosed In An Urban U.S. Setting., Surinder K. Sodhi, Stephen C. Eppes, Joel D. Klein Oct 1992

Childhood Typhoid Fever Diagnosed In An Urban U.S. Setting., Surinder K. Sodhi, Stephen C. Eppes, Joel D. Klein

Department of Pediatrics Faculty Papers

The majority of cases of childhood typhoid fever diagnosed in the United States occur in persons recently returned from travel abroad. We report two childhood cases of typhoid fever acquired in Mexico and India and diagnosed in an urban United States setting. This report describes these cases and provides insights into the pitfalls in recognizing this condition in a nonendemic setting as well as information concerning differential diagnosis and treatment.


Sex Selection: Regulating Technology Enabling The Predetermination Of A Child's Gender, Owen D. Jones Oct 1992

Sex Selection: Regulating Technology Enabling The Predetermination Of A Child's Gender, Owen D. Jones

Vanderbilt Law School Faculty Publications

The debate over the prohibition of sex (or gender) selection (also known as "preselection" or "predetermination"), has focused almost exclusively on the context of aborting a "wrong-sex" fetus after a fetal gender-identification procedure. Despite the fact that sex selection abortions represent only a small subset of sex selection procedures, attitudes toward the former are driving general policy approaches to the latter. However, the issues are analytically distinct, and only during the former infancy of the pre-conceptive (and non-abortive post-conceptive) technology for sex selection were members on both sides of the debate afforded the economy of using one logic to support …


Localization Of The Gene For Men 2a, Jay B. Lichter, Michael Difilippantonio, Jingshi Wu, Diane Miller, David C. Ward, Paul J. Goodfellow, Kenneth K. Kidd Sep 1992

Localization Of The Gene For Men 2a, Jay B. Lichter, Michael Difilippantonio, Jingshi Wu, Diane Miller, David C. Ward, Paul J. Goodfellow, Kenneth K. Kidd

Henry Ford Hospital Medical Journal

The search for the gene that causes the multiple endocrine neoplasia type 2A (MEN 2A) syndrome is entering a new phase. Genetic linkage studies have localized the gene to the pericentromeric region of chromosome 10. The statistical portion of mapping the gene for MEN 2A is nearly complete and now classical molecular biological/gene mapping techniques will be employed. We have used fluorescence in situ hybridization to estimate the size of the MEN2A region to be about 2 to 5 mb, using some liberal assumptions; at worst the region should contain no more than about 10 mb of non-alphoid DNA. Our …


Microsurgical Lymph Node Dissection For Metastatic Asymptomatic C-Cell Carcinoma, Heinz J. Buhr, Friedrich Kallinowski, Friedhelm Raue, Christian Herfarth Sep 1992

Microsurgical Lymph Node Dissection For Metastatic Asymptomatic C-Cell Carcinoma, Heinz J. Buhr, Friedrich Kallinowski, Friedhelm Raue, Christian Herfarth

Henry Ford Hospital Medical Journal

In persistent, clinically inapparent medullary thyroid carcinoma, microsurgical dissection of all lymph node compartments of the neck was performed. Between August 1988 and September 1991, 28 cases (mean age 43.3 years) were treated with 38 surgical interventions. Twenty patients had the sporadic form and eight patients the familial form. Unilateral neck dissection resulted in normalization of serum calcitonin (CT) levels even after pentagastrin stimulation in two patients whereas 16 patients exhibited abnormal CT stimulation tests. Eight of ten patients who had bilateral neck dissections had positive pentagastrin test results after surgery. The main postoperative complications included loss of local cutaneous …


Cutaneous Lesion Associated With Multiple Endocrine Neoplasia Type 2a: Lichen Amyloidosis Or Notalgia Paresthetica?, O. Chabre, F. Labat, N. Pinel, F. Berthod, V. Tarel, I. Bachelot Sep 1992

Cutaneous Lesion Associated With Multiple Endocrine Neoplasia Type 2a: Lichen Amyloidosis Or Notalgia Paresthetica?, O. Chabre, F. Labat, N. Pinel, F. Berthod, V. Tarel, I. Bachelot

Henry Ford Hospital Medical Journal

Three patients of a French family demonstrated an association of multiple endocrine neoplasia type 2A (MEN 2A) with a pruritic scapular skin lesion. The lesions are similar to those described as familial cutaneous lichen amyloidosis in unrelated MEN 2A and medullary thyroid carcinoma families, but histological, immunohistochemical, and ultrastructural analysis of skin biopsies from each patient in the French family did not show amyloid deposition. The topography of the lesion follows dermatomes C8-D3. The patients report not only pruritus but also paresthesia and hyperalgesia, and one showed touch hypoesthesia and pain hyperesthesia in the area of the lesion. Such an …


Primary Hyperparathyroidism In Patients With Multiple Endocrine Neoplasia Type 1: Experience By A Single Surgical Team In Japan, Takao Obara, Yoshihide Fujimoto, Yukio Ito Sep 1992

Primary Hyperparathyroidism In Patients With Multiple Endocrine Neoplasia Type 1: Experience By A Single Surgical Team In Japan, Takao Obara, Yoshihide Fujimoto, Yukio Ito

Henry Ford Hospital Medical Journal

Nineteen patients were surgically treated for hyperparathyroidism associated with multiple endocrine neoplasia type 1 syndrome. Fourteen patients (74%) had removal of three or more parathyroid glands at the first operation, and five (26%) by removal of 2 1/2 or fewer glands. Two patients had recurrent hypercalcemia during the mean follow-up period of 65 months. One had a recurrence 10 years after subtotal parathyroidectomy. Reexploration in this patient revealed enlargement of the remaining tissue in the neck and an enlarged supernumerary gland in the aorticopulmonary window. The other patient had persistent hypercalcemia after removal of two hyperplastic parathyroid glands until after …


Medullary Thyroid Carcinoma: Australian Experience With Genetic Testing, Janet L. Ward, Valentine J. Hyland, David S. Andrew, Debbie J. Marsh, Bruce G. Robinson Sep 1992

Medullary Thyroid Carcinoma: Australian Experience With Genetic Testing, Janet L. Ward, Valentine J. Hyland, David S. Andrew, Debbie J. Marsh, Bruce G. Robinson

Henry Ford Hospital Medical Journal

Linkage analysis has been performed in four pedigrees with multiple endocrine neoplasia type 2A (MEN 2A) or familial medullary thyroid carcinoma (MTC) using pericentromeric chromosome 10 probes. Important information regarding carrier status has been provided in 10 individuals, many of whom would not have been identified by pentagastrin stimulation testing. We have also used pulsed field gel electrophoresis (PFGE) to link the probes H4JRBP and pMCK2 to a 150 kb fragment. Using PFGE, no evidence was found in DNA from lymphocytes of a major DNA rearrangement in two individuals affected with MEN 2A and an individual with MEN 2B compared …


Oncogene And Growth Factor Expression In Men 2 And Related Tumors, Jeffrey F. Moley, Göran K. Wallin, Michele B. Brother, Michael Kim, Samuel A. Wells Jr., Garrett M. Brodeur Sep 1992

Oncogene And Growth Factor Expression In Men 2 And Related Tumors, Jeffrey F. Moley, Göran K. Wallin, Michele B. Brother, Michael Kim, Samuel A. Wells Jr., Garrett M. Brodeur

Henry Ford Hospital Medical Journal

Pheochromocytomas occur sporadically or in individuals affected by inherited syndromes including multiple endocrine neoplasia (MEN) type 2A and 2B, neurofibromatosis, and the von Hippel-Lindau syndrome (vHL). Medullary thyroid carcinomas (MTCs) also occur sporadically or as part of MEN 2A, MEN 2B, and familial MTC. Little is known of the molecular genetic background of these tumors. We have shown previously that activation of the N-ras, H-ras, and K-ras oncogenes does not occur in these tumors, but that deletions of the short arm of chromosome 1 are extremely common (> 60%) and may indicate loss of a suppressor gene in the chromosomal …


Mineral Metabolic Effects Of Thyroidectomy And Long-Term Outcomes In A Family With Men 2a, Henry G. Bone Iii, Leonard J. Deftos, William H. Snyder, Charles Y. C. Pak Sep 1992

Mineral Metabolic Effects Of Thyroidectomy And Long-Term Outcomes In A Family With Men 2a, Henry G. Bone Iii, Leonard J. Deftos, William H. Snyder, Charles Y. C. Pak

Henry Ford Hospital Medical Journal

We have followed a family with multiple endocrine neoplasia type 2A for 18 years. Four members have undergone total thyroidectomy for medullary thyroid carcinoma or C-cell hyperplasia, and one has required bilateral adrenalectomy for pheochromoctyoma. None has developed hypercalcemic hyperparathyroidism, although parathyroid hormone levels were relatively high prethyroidectomy and fell postoperatively in the patients with high calcitonin levels. In three of the four cases, intestinal calcium absorption decreased following thyroidectomy.


Statistical Analysis Of Histomorphological Findings In Medullary Thyroid Carcinoma: Distinction Between The Different Familial Forms Of The Disease, B. Franc, M. Rosenberg-Bourgin, B. Auvert, B. Caillou, N. Dutrieux-Berger, J. Floquet, M. Houcke-Lecomte, E. Justrabo, F. Labat-Moleur, M. F. Le Bodic, A. Pages, M. Patey, G. Viennet, F. Vilde, J. P. Saint-Andre Sep 1992

Statistical Analysis Of Histomorphological Findings In Medullary Thyroid Carcinoma: Distinction Between The Different Familial Forms Of The Disease, B. Franc, M. Rosenberg-Bourgin, B. Auvert, B. Caillou, N. Dutrieux-Berger, J. Floquet, M. Houcke-Lecomte, E. Justrabo, F. Labat-Moleur, M. F. Le Bodic, A. Pages, M. Patey, G. Viennet, F. Vilde, J. P. Saint-Andre

Henry Ford Hospital Medical Journal

A multifactorial analysis of morphological findings was performed on 153 cases of medullary thyroid carcinoma (MTC). The aim of the study was to utilize histological criteria to discriminate between MTC associated with multiple endocrine neoplasia type 2A (MEN 2A) and that associated with the inherited MTC only syndrome. The presence of fusiform cells associated with several other markers seemed to he more predictive of MEN 2A. A comparison of inherited MTC only and sporadic MTC only showed fusiform cells to be significantly less common in inherited MTC only. These results suggest that the inherited MTC only syndrome is a distinct …


Genetics Of The Multiple Endocrine Neoplasia Type 2b Syndrome, Charles E. Jackson, Robert A. Norum Sep 1992

Genetics Of The Multiple Endocrine Neoplasia Type 2b Syndrome, Charles E. Jackson, Robert A. Norum

Henry Ford Hospital Medical Journal

Multiple endocrine neoplasia type 2B (MEN 2B) is similar to MEN 2A in that both autosomal dominant syndromes include medullary thyroid cancers and pheochromocytomas. It is distinct in that MEN 2B patients have much earlier age of onset with more aggressive tumors and mucosa/neuromas of the lips and tongue. The neuromas allow ascertainment generally before age 5. Studies of two and three generations of 14 MEN 2B families disclosed close linkage of the MEN 2B gene to DNA markers to which MEN2A had been linked. Multipoint analysis utilizing additional results in three generations of a 15th family have disclosed a …


High-Sensitivity Serum Calcitonin Assays Applied To Screening For Thyroid C-Cell Disease In Multiple Endocrine Neoplasia Type 2a, Michael M. Kaplan, Glenn M. Stall, Timothy Cummings, Andrew Macaulay, Philippe Motté, Hubert J. Wolfe, Seymour Reichlin, Arman J. Tashjian Jr. Sep 1992

High-Sensitivity Serum Calcitonin Assays Applied To Screening For Thyroid C-Cell Disease In Multiple Endocrine Neoplasia Type 2a, Michael M. Kaplan, Glenn M. Stall, Timothy Cummings, Andrew Macaulay, Philippe Motté, Hubert J. Wolfe, Seymour Reichlin, Arman J. Tashjian Jr.

Henry Ford Hospital Medical Journal

Two serum calcitonin assays with sensitivities ≤ 10 pg/mL were compared to our standard radioimmunoassay (sensitivity 100 pg/mL) in multiple endocrine neoplasia type 2A (MEN 2A) screening. Values from the Nichols displacement radioimmunoassay averaged 38% higher than values from the CIS immunoradiometric assay; values from both were highly correlated, r = 0.845. In three individuals, both of the newer assays revealed abnormalities in pentagastrin tests three to four years before abnormalities were detected by the standard assay. Pentagastrin tests after total thyroidectomy were assayed by the newer methods in patients with medullary thyroid carcinoma (MTC) diagnosed at initial testing (group …


A Preliminary Analysis Of Consortium Data For Markers Tightly Linked To Multiple Endocrine Neoplasia Type 2a, J. B. Lichter, S. M. Hackleman, B. A. J. Ponder, D. Easton, S. A. Narod, G. M. Lenoir, R. F. Gagel, N. E. Simpson, E. Gardner, P. J. Goodfellow, S. Takai, A. J. Pakstis, K. K. Kidd Sep 1992

A Preliminary Analysis Of Consortium Data For Markers Tightly Linked To Multiple Endocrine Neoplasia Type 2a, J. B. Lichter, S. M. Hackleman, B. A. J. Ponder, D. Easton, S. A. Narod, G. M. Lenoir, R. F. Gagel, N. E. Simpson, E. Gardner, P. J. Goodfellow, S. Takai, A. J. Pakstis, K. K. Kidd

Henry Ford Hospital Medical Journal

We have analyzed DNA marker typing data contributed by six independent groups to estimate the pairwise genetic distances between these markers and the locus for multiple endocrine neoplasia type 2A (MEN 2A). We used LIPED to calculate these distances for female, male, and sex-average linkage maps and to determine the corresponding LOD scores. The preliminary analyses of this large data set (89 MEN 2A families and five non-MEN 2A references families, with 1,934 total individuals) are reported here. These refined estimates of the genetic map in this region will aid in the assignment of presymptomatic diagnoses. This study clearly points …


Surgical Approach Of Synchronous Medullary Thyroid Carcinoma And Pheochromocytoma In Men 2 Syndrome, Georg F. W. Scheumann, Henning Dralle Sep 1992

Surgical Approach Of Synchronous Medullary Thyroid Carcinoma And Pheochromocytoma In Men 2 Syndrome, Georg F. W. Scheumann, Henning Dralle

Henry Ford Hospital Medical Journal

In cases with concurrent medullary thyroid carcinoma (MTC) and pheochromocytoma, discussion regarding a one-stage versus two-stage treatment strategy approach remains open. From 1975 to 1990, 11 of 25 multiple endocrine neoplasia type 2 (MEN 2) patients presented with biendocrinopathies or triendocrinopathies synchronously. All patients were treated surgically and followed subsequently in our hospital. Of the group of nine patients with concurrent MTC and pheochromocytoma, five were treated in one-stage and four in two-stage procedures. No patient had major complications intraoperatively. For the two-stage group, the total hospital stay (preoperatively and postoperatively) averaged 35 days. For the one-stage group, the total …


Pdn-21 (Katacalcin) And Chromogranin A: Tumor Markers For Medullary Thyroid Carcinoma, Friedhelm Raue, Eberhard Blind, Andreas Grauer Sep 1992

Pdn-21 (Katacalcin) And Chromogranin A: Tumor Markers For Medullary Thyroid Carcinoma, Friedhelm Raue, Eberhard Blind, Andreas Grauer

Henry Ford Hospital Medical Journal

The malignant C-cell releases several markets of potential clinical significance into the circulation. To determine the usefulness of these markers for management of medullary thyroid carcinoma (MTC), it is necessary to compare the usefulness of these markers with calcitonin (CT), the classical tumor marker for MTC. Measurement of serum concentrations of the peptide PDN-21 (katacalcin), a carboxyterminal cleavage product of procalcitonin. showed a high correlation with serum CT levels (r = 0.99, P < 0.01, n = 65 patients with MTC). The presence of equimolar concentrations of CT and PDN-21 (CT/PDN-21 molar ratio = 0.95 ± 0.33) indicates the peptide is cosecreted with CT. Stimulation of CT release by intravenous pentagastrin was associated with a parallel increase of PDN-21, providing further evidence of cosecretion of these two peptides. Finally, measurement of either PDN-21 or CT in selective venous catheterization specimens was useful for localization of MTC. Chromogranin A (CgA) levels were also measured in patients with MTC. Circulating levels were elevated in most patients with advanced disease. There was a moderate correlation between CgA and CT serum levels (r = 0.87, P < 0.01. n = 61 patients with MTC). Pentagastrin did not stimulate CgA, and the long half-life of CgA in the circulation did not make it possible to use this peptide for tumor localization by selective venous catheterization. We conclude that measurement of PDN-21 provides an independent assay system for diagnosis, localization, and postoperative management of MTC. whereas CgA measurement is not useful in early diagnosis of MTC and is of limited value for localization or management of progressive disease.


Patterns Of Neoplasia In C-Mos Transgenic Mice And Their Relevance To Multiple Endocrine Neoplasia, Nicholas Schulz, Friedrich Propst, Michael M. Rosenberg, R. Ilona Linnoila, Richard S. Paules, Douglas Schulte, George F. Vande Woude Sep 1992

Patterns Of Neoplasia In C-Mos Transgenic Mice And Their Relevance To Multiple Endocrine Neoplasia, Nicholas Schulz, Friedrich Propst, Michael M. Rosenberg, R. Ilona Linnoila, Richard S. Paules, Douglas Schulte, George F. Vande Woude

Henry Ford Hospital Medical Journal

We have previously described a neurological phenotype for transgenic mice carrying the c-Mos proto-oncogene. Pheochromocytomas and C-cell thyroid neoplasms occur in these transgenic lines in patterns that are similar to those seen in multiple endocrine neoplasia type 2 (MEN 2). Characterization of the pathological lesions via immunohistochemistry underscores similarities between MEN 2 and these transgenic mice. When transgenic mice that do not display the MEN 2 phenotype are crossed to a different background, the progeny display the MEN 2 phenotype. Thus the interaction of the background with the transgene is such that it can suppress tumor information. This observation bears …


Sublocalization Of The Multiple Endocrine Neoplasia Type 1 Gene, Catharina Larsson, Gunther Weber, Marie Janson Sep 1992

Sublocalization Of The Multiple Endocrine Neoplasia Type 1 Gene, Catharina Larsson, Gunther Weber, Marie Janson

Henry Ford Hospital Medical Journal

Tumorigenesis in multiple endocrine neoplasia type 1 (MEN 1) involves the unmasking of a recessive mutation at the MEN 1 locus which has been mapped to chromosomal region 11q11-13. By analyzing 58 DNA markers on a panel of radiation-reduced somatic cell hybrids, the region encompassing the MEN 1 gene was divided into nine subregions. Pulsed field gel electrophoresis analysis of markers within subgroups showed that the recombination rate around the MEN 1 locus is high. Combined linkage analysis in MEN 1 families and deletion mapping in MEN 1-related tumors suggest the MEN 1 gene is located centromeric to D11S807 and …