Publish or Perish? A post-doctoral fellow in DCEG recently asked me how many publications are needed for tenure-track and for tenure. The question was not surprising, since it is a prevalent misconception that quantity of publications is of paramount importance in determining these critical career-related actions. Actually, the formula is more complex. It thus seems worthwhile to mention some of the elements that I think are especially important in evaluating a candidate's career potential. I recognize that these elements do not apply equally to tenure-track and tenure candidates, but rather they are parts of a continuum that fit together in the development of a researcher's career.
The Guidelines for the Conduct of Research in the Intramural Research Program at NIH, a publication that every researcher in the Division is asked to read, emphasizes that "tenure appointments should be based on the importance of the scientific accomplishments and not on the number of publications in which those accomplishments were reported." Thus, the driving consideration is the significance of the discoveries and insights that contribute to the base of scientific knowledge. It also follows that tenure candidates should demonstrate a potential for sustained intellectual growth and leadership. When all is said and done, it is the demonstration of these qualities, not the number of publications or length of time in a career-path position, that determines readiness for tenure-track or tenure.
Welcome to the first issue of DCEG Linkage. The goal of this newsletter is to foster communications within the Division by making everyone more aware of recent scientific advances made by DCEG staff members, providing information about projects or resources that offer research opportunities, and announcing professional and personal news about our co-workers. Linkage also serves as a forum for you to speak out on issues, share ideas, and ask/answer questions of general interest. Webster's New Collegiate Dictionary defines "communications" as "a process by which information is exchanged ..." The exchange of information is the crucial element for our newsletter to succeed. So please, do not be shy about contributing to this venture by either providing your correspondent with some news or writing an article yourself.
Although we can't promise columns by regular contributors or on specific topics in every issue of Linkage, we will try for a Director's Page from Dr. Fraumeni, Information Technology news from a byte expert, an Administrative Update from the ARC, and a spot for Q&As. There will also be space for a Feedback column, where you can voice your opinion. And, of course, we hope that each Branch will contribute an article to every issue. We welcome your suggestions for other regular or occasional features, such as interviews or commentaries.
NCI/DCEG Reorganization Dr. Klausner recently announced further reorganization changes to strengthen NCI's cancer control and prevention programs and to complete the separation of the intramural and extramural research programs. As part of these changes, the Extramural Epidemiology and Genetics Program (EEGP), headed by Dr. Iris Obrams, will be transferred from DCEG to the new Division of Cancer Control and Population Science, whose Director will be Dr. Barbara Rimer. DCEG and its predecessor entities have had an extramural component for close to two decades. Although EEGP will no longer be part of the Division's organization as of October 1, to ensure continued close communication, Dr. Obrams will remain a member of the DCEG Senior Advisory Group. We all wish our colleagues in EEGP well in their new home. What's in a Name? DCEG Linkage sounds good to some of us. Suggested to Dr. Fraumeni, the name captures the essence of epidemiology in striving to link causes to cancer outcomes and in the collaborative approach that is typically used. It also evokes the methods of genetic linkage and record linkage that are emphasized in DCEG studies. Finally, it reflects the goal of the newsletter to improve communication linkages among DCEG staff members and other groups at NIH and elsewhere. However, if you think of a better name, please let us know.
DCEG Intramural Retreat
The first DCEG Intramural Retreat was held on July 31, and was attended by the voting members of the Division's Senior Advisory Group. Its main purpose was to discuss the research vision of each Program Director and Branch/Laboratory Chief for their respective organizational units. Retreat participants overwhelmingly indicated that the exchange of ideas had been extremely valuable in thinking about and shaping their long-range plans, especially at this exciting time of ever increasing interdisciplinary research.
Particularly interesting were the research visions of the two newest units in the Division: the Human Genetics Program (HGP) and its Laboratory of Population Genetics (LPG). Important research areas noted by Dr. Al Knudson, the Acting Director of the HGP, included identifying genes responsible for hereditary cancer; understanding gene-environment interactions; formulating strategies of detecting, preventing and treating hereditary cancer; and developing appropriate counseling methods to deal with the ethical, psychosocial and behavior issues that impact upon affected families. Dr. Ken Buetow, who has been selected to head the LPG, described his plans for genetic mapping to identify cancer genes and phenotyping dissection to examine their contributions to cancer risk at a population level. He also spoke about the NCI Advanced Technology Center (ATC), which is being developed in conjunction with the Division of Clinical Sciences and the Division of Basic Sciences. The heart of DCEG's initiative in the ATC will be a core facility for high-throughput genotyping and sequencing, complemented by an informatics component to capture data electronically.
Dr. Fraumeni described his vision for the Division, touching on strategic planning, special areas of research emphasis, collaborative research opportunities, resource development and training/mentoring needs. Presentations were also made by Dr. Bob Hoover (Epidemiology and Biostatistics Program), Dr. Peggy Tucker (Genetic Epidemiology Branch), Dr. Mitchell Gail
(Biostatistics Branch), Dr. Louise Brinton (Environmental Epidemiology Branch), Dr. Regina Ziegler (Nutritional Epidemiology Branch), Dr. Aaron Blair (Occupational Epidemiology Branch), Dr. Elaine Ron (Radiation Epidemiology Branch), and Dr Jim Goedert (Viral Epidemiology Branch). At the end of the Retreat, Dr. Fraumeni asked Branch Chiefs to consult with their staff members to discuss and refine their research visions for presentation at a later forum. In the December issue of Linkage, we plan to devote a major section to a description of these research visions. In recent months, DCEG scientists have reported a variety of important findings, some of which are summarized below.
Biostatistics Branch
In collaboration with REB, a meta-analysis of summary data from several case-control studies of lung cancer revealed an excess risk associated with exposure to indoor radon at the level predicted by extrapolation of data from underground miners (Lubin JH, Boice JD Jr. Lung cancer risk from residential radon: meta-analysis of eight epidemiologic studies. JNCI, 89:49-57, 1997). To clarify these findings, further studies are underway, including one in Gansu province,
China, where over half the population live in underground housing as so-called "cave dwellers," and where radon levels are high enough to overlap with those found in uranium mines. In collaboration with groups from Columbia University, University of Washington, and Yale University, Branch scientists are conducting a population-based case-control study in the U.S. to assess reasons for the rapidly rising incidence rates for adenocarcinomas of esophagus and gastric cardia, especially among white men. Analyses thus far have shown associations with cigarette smoking, with little reduction in risk until 30 years after smoking cessation -- a finding consistent with an early-stage effect (Gammon MD, Schoenberg JB, Ahsan H, Rishch HA, Vaughan TL, Chow WH, Rotterdam H, West AB, Dubrow R, Stanford JL, Mayne ST, Farrow DC, Niwa S, Blot WJ, Fraumeni JF Jr. Tobacco, alcohol, and socioeconomic status and adenocarcinomas of the esophagus and gastric cardia, JNCI, 89:1277-84, 1997), and an excess risk related to adiposity (Chow WH, Blot WJ, Vaughan TL, Risch HA, Gammon MD, Stanford JL, Dubrow R, Schoenberg JB, Mayne ST, Farrow DC, Ahsan H, West AB, Rotterdam H, Niwa S, Fraumeni JF Jr. Body mass index and risk of adenocarcinomas of the esophagus and gastric cardia, JNCI, in press). These findings suggest that the rising rates for these tumors may be due to smoking trends in past decades as well as the increasing prevalence of obesity in the population.
Genetic Epidemiology Branch
In collaboration with the Laboratory of Human Carcinogenesis, a case-control study was conducted to evaluate reasons for the high rates of oral cancer in Puerto Rico. The risk among heavy drinkers was found to be greatest among persons homozygous for the 1-1 genotype of alcohol dehydrogenase-3 (ADH3). This genotype metabolizes ethanol to acetaldehyde, a carcinogen in laboratory animals. This work illustrates the potential for genetic studies to generate insights into environmental carcinogenesis (Harty LC, Caporaso NE, Hayes RB, Winn DM, Bravo-Otero E, Blot WJ, Kleinman DV, Brown LM, Armenian HK, Fraumeni JF Jr, Shields P. Alcohol dehydrogenase 3 genotype and risk of oral cavity and pharyngeal cancer, JNCI, in press). A study of BRCA 1/2 mutations in volunteers from the Metropolitan Washington, DC, Jewish community found that the prevalence of mutations was 2.3%. By age 70, the penetrance was 56% for breast cancer and 16% for ovarian cancer, which is lower than previous estimates based on high-risk families, but much higher than the comparison group of non-carriers. In addition, the penetrance for prostate cancer was elevated at 16%. These findings show the importance of considering family history as well as mutation status during genetic counseling (Struewing JP, Hartge P, Wacholder S, Baker SM, Berlin M, McAdams M, Timmerman MM, Brody LC, Tucker MA. The risk of cancer associated with specific family history along with mutations of BRCA1 and BRCA2 among Ashkenazi Jews, N Engl J Med, 336:1401-8, 1997).
Nutritional Epidemiology Branch The participants concluded that a variety of research methods need to be developed to better assess environmental and genetic interactions, with input from both laboratory and population scientists. In addition, studies of genetic susceptibility to cancer in population settings will require approaches beyond those that have been used for the first generation of investigations. Suggestions for future studies included: structure/function relationships, genotype/phenotype correlations, complex genetic pathways and their rate-limiting steps, and gene-environment interactions. The need to examine unreported findings prompted a suggestion to establish a database for null studies that have sufficient power to detect associations between specific genes and disease outcomes. Another idea was to develop a coherent population-based approach to characterize the spectrum of variability in polymorphic genes. A more complete summary of the workshop can be found in an article by Rashmi Sinha and John Potter, entitled "Diet, Nutrition, and Genetic Susceptibility," which recently appeared in Cancer Epidemiology Biomarkers and Prevention (6:647-649, 1997).
Occupational Epidemiology Branch In collaboration with investigators at Johns Hopkins School of Hygiene and Public Health, CDC, and Georgetown University, Branch scientists analyzed a 1974 blood sample collection to determine the association between levels of organochlorines, including DDT and PCBs, and risk of non-Hodgkin's lymphoma. An increased risk was related to PCB levels, but not to any of the other oganochlorines. The association with PCBs should be interpreted cautiously, since additional studies are needed to clarify this finding (Rothman N, Cantor KP, Blair A, Bust D, Brock JW, Helzlsouer K, Zahm SH, Needham LL, Pearson GR, Hoover RN, Comstock GW, Strickland PT. A nested case-control study of non-Hodgkin's lymphoma and serum organochlorine residue, Lancet, 350:240-244, 1997).
Radiation Epidemiology Branch In the first definitive study to quantify the risk of cancer following bone marrow transplantation, REB scientists, in collaboration with the International Bone Marrow Registry and the Fred Hutchinson Cancer Center, evaluated 20,000 bone marrow transplant recipients. Significantly elevated risks were found for melanoma and cancers of the buccal cavity, brain, liver, thyroid, bone, and connective tissue. The excess risk rose sharply with time since transplantation, with an estimated cumulative incidence of 6.7% at 15 years. The study showed that bone marrow transplantation survivors have a substantial increased risk of solid cancers, and that lifelong surveillance for new tumors is essential (Curtis RE, Rowlings PA, Deeg HJ, Shriner DA, Socie G, Travis LB, Horowitz MM, Witherspoon RP, Hoover RN, Sobocinski KA, Fraumeni JF Jr, Boice JD Jr. Solid cancers after bone marrow transplantation, N Engl J Med, 336:897-904,1997).
Viral Epidemiology Branch
Studies of Kaposi's sarcoma, conducted in collaboration with investigators from the Divisions of Clinical and Basic Sciences, found that all the tumors in a given patient share the same inactivated X chromosome. This finding suggests that Kaposi's sarcoma is a disseminated monoclonal cancer, and that the changes permitting clonal outgrowth of spindle cells occur before the disease spreads (Rabkin CS, Janz S, Lash A, Coleman AE, Musaba E, Liotta L, Biggar RJ, Zhuang Z. Monoclonal origin of multicentric Kaposi's sarcoma lesions, N Engl J Med, 336:988-93, 1997). The Branch is conducting a series of epidemiologic studies to evaluate the long-term risks of cancer in cohorts exposed to simian virus 40 (SV40), which contaminated certain lots of poliovaccine administered in the early years of vaccination. Since there are some reports of SV40 in brain tumors, sarcomas, and mesotheliomas, a search for this virus is underway in various tumors. To develop cooperative projects on this issue, DCEG, the Food and Drug Administration, and the National Institute of Child Health and Human Development recently co-sponsored a workshop. In addition to laboratory projects, Dr. Strickler along with other DCEG collaborators analyzed incidence and mortality rates for malignancies putatively associated with SV40, comparing cohorts born during the poliovirus vaccine contamination era with those born earlier and later. The results show no increased risk for the SV40-exposed cohort (submitted).
The Committee of Scientists (COS), appointed to advise the Division Director about the concerns of DCEG scientists, submitted to Dr. Fraumeni a report based on responses to a questionnaire about scientific, administrative, and quality of life issues. The report attempts to capture the tone of the responses, to convey the areas of frustration and satisfaction, and includes recommendations. While some of the recommendations are as simple as putting up a bulletin board near the elevator, others require discussion and elaboration, rather than immediate action. Dr. Fraumeni prepared a detailed response to the COS report, and will meet with the group to discuss various issues. Both the report and response is available on the Division's intranet site.
COS is sponsoring a DCEG-wide town meeting on October 9, in which COS anticipates additional feedback regarding important issues and at which Dr. Fraumeni will answer questions.
Environmental Epidemiology Branch
Over a 21-month period, 7,200 women will be enrolled into ALTS. Peripheral blood lymphocytes from 1,200 of these women will be tested for in vitro response to HPV-specific peptides, cervical cells for HPV DNA, and plasma for HPV antibody levels. The women will be actively followed with repeat gynecological exams and Pap smears every six months for a period of 2-3 years. Individuals with cytological evidence of progression to high-grade cervical lesions during follow-up will be sent for colposcopic evaluation, biopsy, and treatment. A subgroup of 300-400 women will be selected for follow-up as part of the immunology study. For this group of women, peripheral blood and cervical secretions will be used to assess both systemic and local immune response over time.
The major goals of this project are to correlate immune function at enrollment with cervical disease status during follow-up, to examine immune response to HPV over time, and to correlate local and systemic measures of both humoral and cellular immune response to HPV. Additional objectives include the examination of susceptibility genes and genes involved in the immune response genes as well as hormonal factors potentially linked to progression or regression of low-grade cervical lesions.
Extramural Epidemiology & Genetics Program
Cancer Genetics Network RFA On-line
Interdisciplinary RFA Grantees
Human Genetics Program
The course is open to all DCEG investigators. More information on the courses and training program will be provided in future newsletters. Applications for the next round are due November 15 for a July 1, 1998 start date. Further information about the CGETP can be obtained from Dr. Dilys Parry, who is the program's Director.
HGP's first fellow, Dr. Saranjit Chhabra, joined the program on May 12. She is a biochemist who has completed a three-year postdoctoral fellowship in the Laboratory of Comparative Carcinogenesis, NCI-FCRDC. Through her training with HGP, Dr. Chhabra will acquire genetic and epidemiologic skills to complement her laboratory expertise. Dr. Naoko
Ishibe, HGP's second fellow, received her D. Sc. in epidemiology and environmental health from the Harvard School of Public Health in June. Dr. Ishibe is interested in gaining experience in analytic methods in genetics to complement her epidemiology training. Drs. Chhabra and Ishibe are located in EPN/400F.
The training program will have two additional fellows by November: Dr. Andrew Bergen, a molecular geneticist who is a postdoctoral fellow at NIAAA; and Ms. Emily Devoto who will soon
receive her Ph.D. in epidemiology from the University of North Carolina School of Public Health. SUN UltraSPARC Workstation Arrives
DCEG recently purchased a SUN UltraSPARC server that will be added to the inventory of computing equipment supporting the analysis of DCEG's studies. The SUN workstation will be maintained in the Silver Spring office of Information Management Systems (IMS), the Division's current computer support services contractor. Access by the IMS Rockville office and DCEG investigators will be through Bell Atlantic's Fiber Network Services (FNS) lines connecting IMS to the NIH campus. Use of the SUN should reduce DCRT costs and provide an additional platform for developing software for DCEG researchers. Based on a preliminary analysis, the cost of the SUN configuration will be amortized in four to six months.
The SUN workstation is in the process of implementation. It will include SAS, BMDP, COBOL, and Fortran software. The system is capable of handling up to 20 simultaneous users. The portability of tasks depends primarily on the size of the files being processed. Data files currently stored online at DCRT rarely exceed 50 megabytes, and would not present a problem. Tape jobs are not an available option for the SUN, since it functions without an operator. Tapes are used for backup and archiving only. In addition, printing will still be performed at DCRT. The output from SUN jobs will be transferred to
DCRT over the FNS line for central printing. The large printing capacity and print operator supportavailable at DCRT is far more cost-effective than could be provided on-site at IMS.
The DCRT to SUN transition will require a phase-in period of up to one year. In order to maximize savings, the most costly IBM mainframe jobs currently being run by the IMS staff will be targeted initially for off-loading to the SUN. These jobs include the large iterative analyses, special modeling, and large database runs. In anticipation of more widespread use, IMS is developing an internet site that will provide basic user information, give helpful hints on using the SUN efficiently, and define system procedures/standards such as directory structures and naming conventions. Prior to the start of the SUN operation and the actual transfer of the targeted projects, hands-on training is also planned on how to access the SUN, move files to/from the SUN, and execute and print jobs.
After several months of operation, the SUN configuration will be evaluated primarily on the basis of the amount of DCRT cost savings. The evaluation will influence whether there is sufficient capacity to transfer significant investigator-initiated jobs to the SUN and whether this or a similar configuration would be beneficial for use by other DCEG support contractors. Core Services is Coming to a Computer Support Center Near You
For several months, NCI computer support services has been undergoing a change. On-site technical support is being replaced by core services, which is centralizing all NCI computer support services. "Standardizing resource management will allow NCI to manage its resources more efficiently and more cost-effectively," says Dr. Jed Rifkin, Chief, Information Systems and Technology Branch (ISTB), OIM. The new system is scheduled to be implemented on a branch-by-branch basis, and consultations will be provided before it is put in place. NCI customers are assured that inconvenience will be minimal, and there will not be a decrease in the level of services. In fact, the Help Desk is available 7 am to 7 pm, 5-days a
week, and major equipment monitored and maintained 24-hours a day. In addition, says Dr. Rifkin, the implementation of core services will allow on-site computer service staff to concentrate more on science-specific projects and not on the technical problems.
Base applications, such as the Word Perfect Suite, Microsoft Office, and administrative and scientific applications, says Dr. Rifkin, will be accessible from the network for both MACs and PCS. Dr. Rifkin adds that specially requested applications will be provided on a case-by-case basis, and that ISTB is working with each division to ensure that both local and core services are integrated for maximum benefit.
ISTB is conducting two-hour seminars to aid in the transition. The seminars cover: 1) Overview of core services; 2) Migrating to Windows 95; 3) Overview of the Internet/Intranet and Netscape; and 4) Overview of Word Perfect 7.0. Once the system is installed, ISTB will provide individual on-site assistance for users on the first day.
To inquire about seminars, contact Mr. Carl Prosperi or Ms. Tina Felix at 496-1038. User support is available from the Help Desk at 496-0268. All other questions should be addressed to ISTB at 496-1629. VISA has positive I.M.P.A.C.
Purchasing is now easier with use of the International Merchant Purchase Authorization Card (I.M.P.A.C.). The new government-wide VISA credit card is proving more efficient and cost-effective than other purchasing methods. For example, using the VISA card and buying directly from the vendor eliminates the costs of the "middleman."
I.M.P.A.C. VISA cards are being provided to designated employees to make purchases for official business, such as tuition for employee training courses and office supplies and equipment. However, purchases must still be made from mandatory sources whenever possible, and personal items (e.g., business cards, cameras, or wrist straps) require a justification. DCEG
cardholders can purchase up to $2,500 per transaction, with a 30-day total limit set by the approving official in each branch or program.
"Step-by-Step Guide Through Purchase Process" can be accessed on the web at: http://camp.nci.nih.gov/ admin/arc/purchcard/step_pur.html.
To discover the many uses of the I.M.P.A.C. VISA card, talk to your Branch Chief, or contact Ruth Arnold, Senior Purchasing Agent, at 496-1282, in EPN/539. Research Contracts Branch
Annual Contractor Performance Report If you still have questions about the new reporting format, please call your Contract Specialist or Ms. Sharon Miller (435-3783) and they will be glad to answer your questions. The report format allows you to submit your report to RCB electronically. If you choose this method instead of a hard-copy submission, remember to copy your Branch Chief.
Good News for Project Officer Candidates
To use the CD ROM course, you must have a 486 PC, 150 MB hard disk, CD ROM drive greater than 300 MB, 16-bit sound card with speakers, mouse, and Windows 3.1 or later. Only GS-7 employees or above are eligible for Project Officer training. The tuition fee is centrally funded, and is paid from the NIH General Expense. For details, please contact Linda Littlejohn in the DCEG Administrative Resource Center (496-1282). Way-to-go! Congratulations to the following people for their significant achievements.
New Faces Welcome to the following people who have recently joined the DCEG team.
Someone new is minding the Office of the Director:
Learning the "ins and outs" of a new job can be daunting, but Ms. Sara Hursen takes it all in stride. Ms. Hursen is the Division's new lead secretary and already she has become an integral part of the fabric that is DCEG. A 10-year veteran of NIH, Ms. Hursen came to DCEG from the Laboratory of Clinical Investigation at NIAID.
By now, many of you have had the pleasure of meeting Ms. Hursen. She is a native of Pittsburgh and one of eight children. In Ms. Hursen's spare time, she visits regularly with her elderly home-bound neighbors. "I help out where
I can, like preparing meals," says Ms. Hursen, "but I most enjoy listening to their fascinating stories."
Ms. Hursen also enjoys a variety of other activities, like hiking, rowing on the Potomac, and shopping in flea markets. But she is most excited about fly-fishing, a sport she became interested in when a friend introduced her to it about five years ago. "The fun is in casting, not in actually catching the fish," says Ms. Hursen. She does, however, catch fish, and it's the lucky fish that gets caught on her line, because she always throws it back.
One thing is certain. Whether it's working on a "Mission Impossible" task, like deciphering Dr. Fraumeni's handwriting, or using the perfect lure on her line, Ms. Hursen has proven that she is the right "catch" for DCEG. DCEG Summer Students are Onboard DCEG always looks forward to meeting and working with the students who participate in the Student Research Training Program (SRTP). For two or three months each year, students from various parts of the country join us in hopes of learning some tricks of the trade. And in exchange for the knowledge and guidance DCEG offers them, they grace us with their enthusiasm and desire to learn. This year, we welcomed the following students to the Division:
....................by Jennifer Donaldson |
| Following is a schedule of upcoming events of particular interest to DCEG. | |
| DATE | MEETING |
| Oct. 6-10 | NIH Research Festival |
| Oct. 9 | Senior Advisory Group, 2-4, EPN/G |
| Nov. 6 | Senior Advisory Group, 2:30-4:30, EPN/G |
| Nov. 17-18 | Board of Scientific Counselors | Dec. 1-3 | National Cancer Advisory Board |
| Dec. 4-5 | Second NCI Combined Intramural Retreat |
| Dec. 10 | Senior Advisory Group, 2-4, EPN/H |
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DCEG LINKAGE Published quarterly Division of Cancer Epidemiology and Genetics National Cancer Institute |
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| Editor: Pat Evans pe20z@nih.gov | |
| DCEG Reporters | |
| Aaron Blair - OEB Pat Evans - OD/ODOA Mary Fraser - GEB Jim Goedert - VEB Lea Harty - GEB |
Allan Hildesheim - EEB Ruth Kleinerman - REB Linda Littlejohn - ARC Sharon Miller - RCB B. J. Stone - BB |